Fixing Kyocera TASKalfa 7550ci Printer Error Codes in details

– Printer model: Kyocera TASKalfa 7550ci
– Fix Error codes on Kyocera TASKalfa 7550ci model and its description:

Code: 0030
Description: FAX control PWB system error
Processing with the fax software was disabled due to a hardware problem.
Causes: Defective FAX control PWB.
Remedy: Replace the fax control PWB and check for correct operation.

Code: 0070
Description: FAX control PWB incompatible detection error
Abnormal detection of FAX control PWB incompatibility In the initial communication with the FAX control PWB, any normal communication command is not transmitted.
Causes: Defective FAX software.
Defective FAX control PWB.
Remedy: Defective FAX software. Install the fax software.
Defective FAX control PWB. Replace the fax control PWB and check for correct operation.

Code: 0100
Description: Backup memory device error
Causes: Defective flash memory.
Defective main PWB.
Remedy: Defective flash memory. Replace the main PWB and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0120
Description: MAC address data error
For data in which the MAC address is invalid.
Causes: Defective flash memory.
Defective engine PWB.
Remedy: Defective flash memory. Replace the main PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 0150
Description: Backup memory read/write error (engine PWB)
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Improper installation EEPROM.
Device damage of EEPROM.
Remedy: Improper installation EEPROM. Check the installation of the EEPROM and remedy if necessary.
Defective engine PWB. Replace the engine PWB and check for correct operation.
Device damage of EEPROM. Contact the Service Administrative Division.

Code: 0160
Description: Backup memory data error
(engine PWB) Reading data from EEPROM is abnormal.
Causes: Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division.

Code: 0170
Description: Billing counting error
A checksum error is detected in the main and engine backup memories for the billing counters.
Causes: Data damage of EEPROM.
Defective PWB.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division.
Defective PWB. Replace the main PWB or the engine PWB and check for correct operation.

Code: 0180
Description: Machine number mismatch
Machine number of main and engine does not match.
Causes: Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division.

Code: 0620
Description: FAX image DIMM error
DIMM is not installed correctly. DIMM cannot be accessed.
Causes: DIMM installed incorrectly.
Defective main PWB.
Remedy: DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the main PWB correctly.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0630
Description: DMA error
DMA transmission of image data does not complete within the specified period of time.
Causes: Poor contact in the connector terminals.
Defective main PWB.
Remedy: Poor contact in the connector terminals. Check the connection the signal cable for CIS and the main PWB, and the continuity across the connector terminals. Repair or replace if necessary.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0640
Description: Hard disk error
The hard disk cannot be accessed.
Causes: Defective hard disk.
Defective main PWB.
Remedy: Defective hard disk. Replace the hard disk and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0650
Description: FAX image DIMM check error
Improper DIMM is installed.
Causes: DIMM installed incorrectly.
Defective main PWB.
Remedy: DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the main PWB correctly.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0800
Description: Image processing error
JAM010X is detected twice.
Causes: Defective main PWB.
Remedy: Replace the main PWB and check for correct operation.

Code: 0830
Description: FAX control PWB flash program area checksum error
A checksum error occurred with the program of the FAX control PWB.
Causes: Defective FAX software.
Defective FAX control PWB.
Remedy: Defective FAX software. Install the fax software.
Defective FAX control PWB. Replace the fax control PWB and check for correct operation.

Code: 0840
Description: Faults of RTC
The time is judged to go back based on the comparison of the RTC time and the current time or five years or more have passed.
Causes: The battery is disconnected from the main PWB.
Defective main PWB.
Remedy: The battery is disconnected from the main PWB. Check visually and remedy if necessary
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 0870
Description: FAX control PWB to main PWB high capacity data transfer error
High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times.
Causes: Improper installation FAX control PWB.
Defective FAX control PWB or main PWB.
Remedy: Improper installation FAX control PWB. Reinstall the FAX control PWB.
Defective FAX control PWB or main PWB. Replace the FAX control PWB or main PWB and check for correct operation.

Code: 0900
Description: FAX software incompatible detection error
Incompatible FAX control PWB is installed.
Causes: Defective FAX software.
Defective FAX control PWB.
Remedy: Defective FAX software. Install the fax software.
Defective FAX control PWB. Replace the fax control PWB and check for correct operation.

Code: 0920
Description: Fax file system error
The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
Causes: Defective FAX control PWB.
Remedy: Replace the fax control PWB and check for correct operation.

Code: 0970
Description: 12 V power down detect
Power is disconnected during sleeping.
Causes: Defective power source PWB.
Remedy: Replace the power source PWB and check for correct operation.

Code: 0980
Description: 24 V power down detect
24V disconnection signal is detected for 1 s and 12V disconnection signal is not detected.
Causes: Defective power source PWB.
Remedy: Replace the power source PWB and check for correct operation.

Code: 1000
Description: MP lift motor error
After the MP lift motor is driven, the ON status of MP lift sensors 1 and 2 cannot be detected for 1.5 s.
Causes: Defective MP plate elevation mechanism.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective MP lift motor.
Defective engine PWB.
Remedy: Defective MP plate elevation mechanism. Check to see if the MP plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MP lift motor and relay PWB (YC3) Relay PWB (YC12) and feed PWB 1 (YC17) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective MP lift motor. Replace the MP lift motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1010
Description: Lift motor 1 error
After cassette 1 is inserted, lift sensor 1 does not turn on within 12 s. This error is detected 4 times successively. The lock signal of the motor is detected continuously for 1 s.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective lift motor 1.
Defective engine PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Lift motor 1 and feed PWB 2 (YC3) Feed PWB 2 (YC1) and engine PWB (YC4)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective lift motor 1. Replace the lift motor 1.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1020
Description: Lift motor 2 error
After cassette 2 is inserted, lift sensor 2 does not turn on within 12 s. This error is detected 4 times successively. The lock signal of the motor is detected continuously for 1 s.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective lift motor 2.
Defective engine PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Lift motor 2 and feed PWB 2 (YC3) Feed PWB 2 (YC1) and engine PWB (YC4)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective lift motor 2. Replace the lift motor 2.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1030
Description: PF lift motor 1 error (paper feeder)
After cassette 3 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 1.
Defective PF main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 1 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 1. Replace the PF lift motor 1.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

– Kyocera TASKalfa 7550ci printer Error Codes and quick guide to troubleshooting:

Code: 1040
Description: PF lift motor 2 error (paper feeder)
After cassette 4 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 2.
Defective PF main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 2 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 2. Replace the PF lift motor 2.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1050
Description: SM lift motor error (side multi tray)
After cassette 5 is inserted, SM lift sensor does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective SM lift motor.
Defective SM main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM lift motor and SM main PWB (YC5)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective SM lift motor. Replace the SM lift motor.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 1060
Description: PF lift motor 1 error (side paper feeder)
After cassette 6 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 1.
Defective PF main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 1 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 1. Replace the PF lift motor 1.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1070
Description: PF lift motor 2 error (side paper feeder)
After cassette 7 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 2.
Defective PF main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 2 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 2. Replace the PF lift motor 2.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1100
Description: PF lift motor 1 error (large capacity feeder)
After cassette 3 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected 2 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 500 ms or more 2 times successively. However, the first 1 s after PF lift motor 1 is turned on is excluded from detection.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 1.
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 1 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 1. Replace the PF lift motor 1.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1110
Description: PF lift motor 2 error (large capacity feeder)
After cassette 4 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected 2 times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 500 ms or more 2 times successively. However, the first 1 s after PF lift motor 2 is turned on is excluded from detection.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF lift motor 2.
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF lift motor 2 and PF main PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF lift motor 2. Replace the PF lift motor 2.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1140
Description: SD lift motor error (side deck)
After cassette 5 is inserted, SD lift sensor does not turn on within 30 s. The lock signal of the motor is detected continuously for 200 ms.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective SD lift motor.
Defective SD main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SD lift motor and SD main PWB (YC8)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective SD lift motor. Replace the SD lift motor.
Defective SD main PWB. Replace the SD main PWB (Refer to the service manual for the paper feeder).

Code: 1250
Description: SM multi feed sensor communication error (side multi tray)
A communication error is detected 3 times in succession.
Causes: Improper installation side multi tray.
Defective connector cable or poor contact in the connector.
Defective engine PWB.
Defective SM main PWB.
Remedy: Improper installation side multi tray. Follow installation instruction carefully again.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM main PWB (YC1) and engine PWB (YC19)
Defective engine PWB. Replace the engine PWB and check for correct operation.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 1350
Description: SM multi feed sensor error (side multi tray)
The SM multi feed sensor has signaled the presence of paper for 10 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective SM multi feed sensor.
Defective SM main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM multi feed sensor and SM main PWB (YC11)
Defective SM multi feed sensor. Replace the SM multi feed sensor.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 1400
Description: BR guide motor error
The BR decurler sensor won’t turn on three times in a row after the home position of the rotary guide has been detected.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective BR guide motor.
Defective BR main PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BR guide motor and BR main PWB (YC5) BR main PWB (YC2) and engine PWB (YC20)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective BR guide motor. Replace the BR guide motor.
Defective BR main PWB. Replace the BR main PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1410
Description: BR decurler motor error
The BR decurler sensor won’t turn on or off when it was activated for 400 steps.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective BR decurler motor.
Defective BR main PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BR decurler motor and BR main PWB (YC5) BR main PWB (YC2) and engine PWB (YC20)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective BR decurler motor. Replace the BR decurler motor.
Defective BR main PWB. Replace the BR main PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1450
Description: SM multi feed sensor backup error (side multi tray)
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective SM multi feed sensor.
Defective SM main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM multi feed sensor and SM main PWB (YC11)
Defective SM multi feed sensor. Replace the SM multi feed sensor.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 1710
Description: Side multi tray incompatible detection error
The side multi tray has been installed with a device to which it is incompatible.
Causes: The side multi tray is installed with a device to which it is incompatible.
Remedy: The side multi tray must be installed with the devices to which it is compatible.

Code: 1720
Description: Paper feeder incompatible detection error
The paper feeder has been installed with a device to which it is incompatible.
Causes: The paper feeder is installed with a device to which it is incompatible.
Remedy: The paper feeder must be installed with the devices to which it is compatible.

Code: 1800
Description: Paper feeder communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Improper installation paper feeder.
Defective connector cable or poor contact in the connector.
Defective engine PWB.
Defective PF main PWB.
Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF main PWB (YC13) and engine PWB (YC19)
Defective engine PWB. Replace the engine PWB and check for correct operation.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1810
Description: Side multi tray communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Improper installation side multi tray.
Defective connector cable or poor contact in the connector.
Defective engine PWB.
Defective SM main PWB.
Remedy: Improper installation side multi tray. Follow installation instruction carefully again.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM main PWB (YC1) and engine PWB (YC19)
Defective engine PWB. Replace the engine PWB and check for correct operation.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 1820
Description: Side paper feeder communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Improper installation side paper feeder.
Defective connector cable or poor contact in the connector.
Defective engine PWB.
Defective SM main PWB.
Defective PF main PWB.
Remedy: Improper installation side paper feeder. Follow installation instruction carefully again.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF main PWB (YC13) and SM main PWB (YC4) SM main PWB (YC1) and engine PWB (YC19)
Defective engine PWB. Replace the engine PWB and check for correct operation.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 1900
Description: Paper feeder EEPROM error
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective PF main PWB.
Device damage of EEPROM.
Remedy: Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).
Device damage of EEPROM. Contact the Service Administrative Division.

Code: 1910
Description: Side multi tray EEPROM error
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective SM main PWB.
Device damage of EEPROM.
Remedy: Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).
Device damage of EEPROM. Contact the Service Administrative Division.

Code: 1920
Description: Side paper feeder EEPROM error
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective PF main PWB.
Device damage of EEPROM.
Remedy: Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).
Device damage of EEPROM. Contact the Service Administrative Division.

Code: 1950
Description: Transfer belt unit EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective transfer belt unit.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer belt unit and engine PWB (YC3)
Defective transfer belt unit. Replace the transfer belt unit and check for correct operation.

Code: 2101
Description: Developer motor K error
After developer motor K is driven, the ready signal does not turn to L within 5 s. After developer motor K is stabilized, the ready signal is at the H level for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective developer motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor K and motor control PWB (YC7) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective developer motor K. Replace the developer motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2102
Description: Developer motor C error
After developer motor C is driven, the ready signal does not turn to L within 5 s. After developer motor C is stabilized, the ready signal is at the H level for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective developer motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor C and motor control PWB (YC6) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective developer motor C. Replace the developer motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2103
Description: Developer motor M error
After developer motor M is driven, the ready signal does not turn to L within 5 s. After developer motor M is stabilized, the ready signal is at the H level for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective developer motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor M and motor control PWB (YC7) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective developer motor M. Replace the developer motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2104
Description: Developer motor Y error
After developer motor Y is driven, the ready signal does not turn to L within 5 s. After developer motor Y is stabilized, the ready signal is at the H level for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective developer motor Y.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor Y and motor control PWB (YC6) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective developer motor Y. Replace the developer motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2201
Description: Drum motor K steady-state error
After drum motor K is stabilized, the ready signal is at the H level for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor K. Replace the drum motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2202
Description: Drum motor C steady-state error
Drum motor C does not keep the steadystate speed for 5 s successively since the motor is stabilized.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor C and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor C. Replace the drum motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2203
Description: Drum motor M steady-state error
Drum motor M does not keep the steadystate speed for 5 s successively since the motor is stabilized.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor M and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor M. Replace the drum motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2204
Description: Drum motor Y steady-state error
Drum motor Y does not keep the steadystate speed for 5 s successively since the motor is stabilized.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor Y and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor Y. Replace the drum motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2211
Description: Drum motor K startup error
Drum motor K is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor K. Replace the drum motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2212
Description: Drum motor C startup error
Drum motor C is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor C and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor C. Replace the drum motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2213
Description: Drum motor M startup error
Drum motor M is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor M and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor M. Replace the drum motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2214
Description: Drum motor Y startup error
Drum motor Y is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor Y and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor Y. Replace the drum motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2231
Description: Drum motor K main sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor K.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor K. Replace the drum motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2232
Description: Drum motor C main sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor C and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor C. Replace the drum motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2233
Description: Drum motor M main sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective drum motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor M and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor M. Replace the drum motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2234
Description: Drum motor Y main sensor error No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector
Defective drive transmission system of motor.
Defective drum motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor Y and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor Y. Replace the drum motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2241
Description: Drum motor K sub sensor error
No signal is input to the sensor for 100 ms continuously
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor K. Replace the drum motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2242
Description: Drum motor C sub sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor C and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor C. Replace the drum motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2243
Description: Drum motor M sub sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor M and motor control PWB (YC5) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor M. Replace the drum motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2244
Description: Drum motor Y sub sensor error
No signal is input to the sensor for 100 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective drum motor Y.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor Y and motor control PWB (YC4) Motor control PWB (YC3) and engine PWB (YC9)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective drum motor Y. Replace the drum motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2300
Description: Fuser motor error
After fuser motor is driven, the ready signal does not turn to L within 2 s. After fuser motor is stabilized, the ready signal is at the H level for 1 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective fuser motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser motor and feed PWB 1 (YC18) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective fuser motor. Replace the fuser motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2550
Description: Paper feed motor error
After paper feed motor is driven, the ready signal does not turn to L within 2 s. After paper feed motor is stabilized, the ready signal is at the H level for 1 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective paper feed motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Paper feed motor and feed PWB 2 (YC2) Feed PWB 2 (YC1) and engine PWB (YC4)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective paper feed motor. Replace the paper feed motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2600
Description: PF paper feed motor error (large capacity feeder)
After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF paper feed motor
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC16)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF paper feed motor. Replace the PF paper feed motor.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 2610
Description: PF paper feed motor error (paper feeder)
After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF paper feed motor
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC16)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF paper feed motor. Replace the PF paper feed motor.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 2640
Description: SD paper feed motor error (side deck)
After SD paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective SD paper feed motor
Defective SD main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SD paper feed motor and SD main PWB (YC16)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective SD paper feed motor. Replace the SD paper feed motor.
Defective SD main PWB. Replace the SD main PWB (Refer to the service manual for the paper feeder).

Code: 2650
Description: SM paper feed motor error (side multi tray)
After SM paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective SM paper feed motor.
Defective SM main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM paper feed motor and SM main PWB (YC5)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective SM paper feed motor. Replace the SM paper feed motor.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

Code: 2660
Description: PF paper feed motor error (side large capacity feeder)
After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF paper feed motor.
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC16)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF paper feed motor. Replace the PF paper feed motor.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 2670
Description: PF paper feed motor error (side paper feeder)
After PF paper feed motor is driven, the ready signal does not turn to L within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective PF paper feed motor.
Defective PF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC16)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective PF paper feed motor. Replace the PF paper feed motor.
Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

Code: 2700
Description: Color release motor error
When the color release motor is driven, the color release sensor does not turn on/off for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective color release motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Color release motor and engine PWB (YC3)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective color release motor. Replace the color release motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2730
Description: Transfer release motor error
When the transfer release motor is driven, the transfer release sensor does not turn on/off for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective transfer release motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer release motor and relay PWB (YC14) Relay PWB (YC14) and feed PWB 1 (YC14) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective transfer release motor. Replace the transfer release motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2760
Description: Transfer motor startup error
Transfer motor is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective transfer motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer motor and feed PWB 1 (YC13) Feed PWB 1 (YC2) and engine PWB (YC5)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective transfer motor. Replace the transfer motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2770
Description: Transfer skew error
An abnormal value is detected to transfer skew sensor.
Causes: Defective connector cable or poor contact in the connector.
Defective transfer skew sensor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer belt unit and engine PWB (YC3)
Defective transfer skew sensor. Replace the transfer skew sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2780
Description: Transfer skew sensor error
An abnormal value is detected to transfer skew sensor.
Causes: Defective connector cable or poor contact in the connector.
Defective transfer skew sensor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer belt unit and engine PWB (YC3)
Defective transfer skew sensor. Replace the transfer skew sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2790
Description: Transfer skew motor error
When the transfer skew motor is driven, timeouts were detected twice in a row.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective transfer skew motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer skew motor and engine PWB (YC3)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective transfer skew motor. Replace the transfer skew motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2810
Description: Waste toner motor error
Initialized when an error is constantly observed for 2 seconds after the waste toner motor is activated. An error is constantly observed for 2.5 seconds after rebooting.
Causes: Defective connector cable or poor contact in the connector
Defective drive transmission system of motor.
Defective waste toner motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Waste toner motor and front PWB (YC5) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective waste toner motor. Replace the waste toner motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2820
Description: Transfer motor steady-state error Transfer motor is not stabilized within 5 s since the motor is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective transfer motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer motor and feed PWB 1 (YC13) Feed PWB 1 (YC2) and engine PWB (YC5)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective transfer motor. Replace the transfer motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2840
Description: Transfer cleaning motor error
After transfer cleaning motor is driven, the ready signal does not turn to L within 2 s.
After transfer cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective transfer cleaning motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer cleaning motor and engine PWB (YC3)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective transfer cleaning motor. Replace the transfer cleaning motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2850
Description: Transfer belt sensor error
The signal is not received for 100 ms in succession.
Causes: Defective connector cable or poor contact in the connector
Defective transfer belt sensor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer belt sensor and engine PWB (YC3)
Defective transfer belt sensor. Replace the transfer belt sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2860
Description: Transfer belt sensor error
The signal is not received for 100 ms in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective transfer belt sensor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Transfer belt sensor and engine PWB (YC3)
Defective transfer belt sensor. Replace the transfer belt sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 2950
Description: Motor control PWB communication error
A communication error from the motor control PWB is detected 10 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective motor control PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Motor control PWB (YC3) and engine PWB (YC9)
Defective motor control PWB. Replace the motor control PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 3100
Description: Scanner carriage error
The home position is not correct when the power is turned on or at the start of copying using the table.
Causes: Defective connector cable or poor contact in the connector.
Defective home position sensor.
Defective scanner motor.
Defective ISC PWB.
Defective main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Home position sensor and ISC PWB (YC8) Scanner motor and ISC PWB (YC5) ISC PWB (YC3) and main PWB (YC11)
Defective home position sensor. Replace the home position sensor.
Defective scanner motor. Replace the scanner motor.
Defective ISC PWB. Replace the ISC PWB and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 3200
Description: Exposure lamp error
When input value at the time of LED lamp PWB illumination does not exceed the threshold value between 5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective LED lamp PWB.
Defective ISC PWB.
Defective main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. LED lamp PWB and ISC PWB (YC6) ISC PWB (YC3) and main PWB (YC11)
Defective LED lamp PWB. Replace the LED lamp PWB and check for correct operation.
Defective ISC PWB. Replace the ISC PWB and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 3210
Description: CIS lamp error
When input value at the time of CIS illumination does not exceed the threshold value between 5 s.
Causes: Defective connector cable or poor contact in the connector
Defective CIS.
Defective DPSHD PWB.
Defective DP relay PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2)
Defective CIS. Replace the CIS and check for correct operation.
Defective DPSHD PWB. Replace the DPSHD PWB and check for correct operation.
Defective DP relay PWB. Replace the DP relay PWB and check for correct operation.

Code: 3300
Description: Optical system (AGC) error
After AGC, correct input is not obtained at CCD.
Causes: Defective connector cable or poor contact in the connector.
Defective exposure lamp.
Defective CCD PWB.
Defective ISC PWB.
Defective main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and main PWB (YC11)
Defective exposure lamp. Replace the LED lamp PWB and check for correct operation.
Defective CCD PWB. Replace the CCD PWB and check for correct operation.
Defective ISC PWB. Replace the ISC PWB and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 3310
Description: CIS AGC error
After AGC, correct input is not obtained at CIS.
Causes: Defective CIS.
Defective DPSHD PWB.
Defective DP relay PWB.
Remedy: Defective CIS. Replace the CIS and check for correct operation.
Defective DPSHD PWB. Replace the DPSHD PWB and check for correct operation.
Defective DP relay PWB. Replace the DP relay PWB and check for correct operation.

Code: 3500
Description: Communication error between scanner and ASIC An error code is detected.
Causes: Defective connector cable or poor contact in the connector
Defective ISC PWB.
Defective main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. ISC PWB (YC3) and main PWB (YC11)
Defective ISC PWB. Replace the ISC PWB and check for correct operation.
Defective main PWB. Replace the main PWB and check for correct operation.

Code: 3600
Description: Scanner sequence error
Causes: Defective ISC PWB.
Remedy: Replace the ISC PWB and check for correct operation.

Code: 3700
Description: Scanner device error
Causes: CCD connector inserted incorrectly.
Remedy: Reinsert the image scanner unit connector if necessary.

Code: 3800
Description: AFE error
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective ISC PWB.
Remedy: Replace the ISC PWB and check for correct operation.

Code: 3900
Description: Backup memory read/write error (ISC PWB)
Read and write data does not match.
Causes: Defective backup memory or PWB.
Remedy: Replace the ISC PWB and check for correct operation.

Code: 4001
Description: Polygon motor K synchronization error
After polygon motor K is driven, the ready signal does not turn to L within 30 s.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor K and LSU relay PWB (YC4) LSU relay PWB (YC4) and engine PWB (YC12)
Defective polygon motor K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4002
Description: Polygon motor C synchronization error
After polygon motor C is driven, the ready signal does not turn to L within 30 s.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor C and LSU relay PWB (YC9) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4003
Description: Polygon motor M synchronization error
After polygon motor M is driven, the ready signal does not turn to L within 30 s.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor M and LSU relay PWB (YC7) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4004
Description: Polygon motor Y synchronization error
After polygon motor Y is driven, the ready signal does not turn to L within 30 s.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor Y and LSU relay PWB (YC11) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4011
Description: Polygon motor K steady-state error
After polygon motor K is stabilized, the ready signal is at the H level for 15 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor K and LSU relay PWB (YC4) LSU relay PWB (YC4) and engine PWB (YC12)
Defective polygon motor K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4012
Description: Polygon motor C steady-state error
After polygon motor C is stabilized, the ready signal is at the H level for 15 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor C and LSU relay PWB (YC9) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4013
Description: Polygon motor M steady-state error
After polygon motor M is stabilized, the ready signal is at the H level for 15 s continuously.
Causes: Defective connector cable or poor contact in the connector
Defective polygon motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor M and LSU relay PWB (YC7) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4014
Description: Polygon motor Y steady-state error
After polygon motor Y is stabilized, the ready signal is at the H level for 15 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective polygon motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor Y and LSU relay PWB (YC11) LSU relay PWB (YC3) and engine PWB (YC12)
Defective polygon motor Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4101
Description: BD initialization error K
After polygon motor K is driven, ASIC detects a BD error for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4102
Description: BD initialization error C
After polygon motor C is driven, ASIC detects a BD error for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4103
Description: BD initialization error M
After polygon motor M is driven, ASIC detects a BD error for 1 s
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4104
Description: BD initialization error Y
After polygon motor Y is driven, ASIC detects a BD error for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4201
Description: BD steady-state error K
The BD signal is not detected.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4202
Description: BD steady-state error C
The BD signal is not detected.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4203
Description: BD steady-state error M
The BD signal is not detected.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4204
Description: BD steady-state error Y
The BD signal is not detected.
Causes: Defective connector cable or poor contact in the connector.
Defective PD PWB Y.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and engine PWB (YC12)
Defective PD PWB Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4300
Description: Polygon motor phase error
ASIC won’t settle in completion of phase adjustment for 2 seconds after a BD signal is detected.
Causes: Defective laser scanner unit.
Defective engine PWB.
Remedy: Defective laser scanner unit. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 4600
Description: LSU cleaning motor error
After LSU cleaning motor is driven, the ready signal does not turn to L within 2 s. After LSU cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective LSU cleaning motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. LSU cleaning motor and engine PWB (YC21)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective LSU cleaning motor. Replace the LSU cleaning motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 5101
Description: Main high-voltage error K
Abnormality of charger roller K is detected when Vpp adjustment.
Causes: Defective connector cable or poor contact in the connector.
Defective high voltage PWB 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. High voltage PWB 1 (YC4) and engine PWB (YC17)
Defective high voltage PWB 1. Replace the high voltage PWB 1 and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 5102
Description: Main high-voltage error C
Abnormality of charger roller C is detected when Vpp adjustment.
Causes: Defective connector cable or poor contact in the connector.
Defective high voltage PWB 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. High voltage PWB 1 (YC2) and engine PWB (YC16)
Defective high voltage PWB 1. Replace the high voltage PWB 1 and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 5103
Description: Main high-voltage error M
Abnormality of charger roller M is detected when Vpp adjustment.
Causes: Defective connector cable or poor contact in the connector.
Defective high voltage PWB 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. High voltage PWB 1 (YC3) and engine PWB (YC17)
Defective high voltage PWB 1. Replace the high voltage PWB 1 and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 5104
Description: Main high-voltage error Y
Abnormality of charger roller Y is detected when Vpp adjustment.
Causes: Defective connector cable or poor contact in the connector.
Defective high voltage PWB 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. High voltage PWB 1 (YC1) and engine PWB (YC16)
Defective high voltage PWB 1. Replace the high voltage PWB 1 and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6000
Description: Broken fuser heater wire
Fuser thermistor 1 does not reach 100° C/212 °F even after 60 s during warming up. The detected temperature of fuser thermistor 1 does not reach the specified temperature (ready indication temperature) for 60 s in warming up after reached to 100° C/212 °F.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Power source PWB (YC3) and fuser IH PWB (YC1) Fuser IH PWB (YC4) and engine PWB (YC26)
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6020
Description: Abnormally high fuser thermistor 1 temperature
Fuser thermistor 1 detects a temperature higher than 240°C/464°F for 1 s.
Causes: Deformed connector pin.
Defective triac.
Shorted fuser thermistor 1.
Defective engine PWB.
Remedy: Shorted fuser thermistor 1. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6030
Description: Broken fuser thermistor 1 wire
Input from fuser thermistor 1 is 984 or more (A/D value) continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 1 wire.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 1 wire. Replace the fuser unit.
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6040
Description: Fuser heater error
Input from fuser thermistor 1 is abnormal value continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 1 wire
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 1 wire. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6050
Description: Abnormally low fuser thermistor 1 temperature
Fuser thermistor 1 detects a temperature lower than 100°C/212°F for 1 s after warming up.
Causes: Deformed connector pin.
Defective triac.
Defective fuser thermistor 1.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective fuser thermistor 1. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6100
Description: Broken fuser heater wire
Fuser thermistor 5 won’t reach the reference temperature in 480 s when shifting to low power mode.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 5 wire.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 5 wire. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6120
Description: Abnormally high fuser thermistor 4 temperature
Fuser thermistor 1 detects a temperature higher than 190°C/374°F for 1 s.
Causes: Deformed connector pin.
Defective triac.
Shorted fuser thermistor 4.
Defective engine PWB.
Remedy: Shorted fuser thermistor 5. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6130
Description: Broken fuser thermistor 4 wire
Input from fuser thermistor 4 is 992 or more (A/D value) continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 4 wire.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 5 wire. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6150
Description: Abnormally low fuser thermistor 4 temperature
Fuser thermistor 4 detects a temperature lower than 30°C/ 86°F for 1 s after warming up.
Causes: Deformed connector pin.
Defective triac.
Defective fuser thermistor 1.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective fuser thermistor 5. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6200
Description: Broken fuser edge heater wire
Fuser thermistor 2 does not reach 100° C/212 °F even after 60 s during warming up. The detected temperature of fuser thermistor 2 does not reach the specified temperature (ready indication temperature) for 60 s in warming up after reached to 100° C/212 °F.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Power source PWB (YC3) and fuser IH PWB (YC1) Fuser IH PWB (YC4) and engine PWB (YC26)
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6220
Description: Abnormally high fuser thermistor 2 temperature
Fuser thermistor 2 detects a temperature higher than 250°C/482°F for 1 s.
Causes: Deformed connector pin.
Defective triac.
Shorted fuser thermistor 2.
Defective engine PWB.
Remedy: Shorted fuser thermistor 2. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6230
Description: Broken fuser thermistor 2 wire
Input from fuser thermistor 2 is 992 or more (A/D value) continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 2 wire.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 2 wire. Replace the fuser unit.
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6250
Description: Abnormally low fuser thermistor 2 temperature
Fuser thermistor 2 detects a temperature lower than 50°C/ 122°F for 1 s after warming up.
Causes: Deformed connector pin.
Defective triac.
Defective fuser thermistor 2.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective fuser thermistor 2. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6320
Description: Abnormally high fuser thermistor 3 temperature
Fuser thermistor 3 detects a temperature higher than 240°C/464°F for 1 s.
Causes: Deformed connector pin.
Defective triac.
Shorted fuser thermistor 3.
Defective engine PWB.
Remedy: Shorted fuser thermistor 3. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6330
Description: Broken fuser thermistor 3 wire
Input from fuser thermistor 3 is 992 or more (A/D value) continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 3 wire.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 3 wire. Replace the fuser unit.
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6520
Description: Abnormally high fuser thermistor 4 temperature
Fuser thermistor 4 detects a temperature higher than 240C/464F for 1 s.
Causes: Deformed connector pin.
Defective triac.
Shorted fuser thermistor 4.
Defective engine PWB
Remedy: Shorted fuser thermistor 4. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6530
Description: Broken fuser thermistor 4 wire
Input from fuser thermistor 4 is 992 or more (A/D value) continuously for 1 s.
Causes: Defective connector cable or poor contact in the connector.
Deformed connector pin.
Defective triac.
Broken fuser thermistor 4 wire.
Fuser thermostat triggered.
Defective fuser IH.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Broken fuser thermistor 4 wire. Replace the fuser unit.
Fuser thermostat triggered. Replace the fuser unit.
Defective fuser IH. Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6600
Description: Fuser belt rotation error
A belt rotating pulse is not received for 1 second. (Engine CPU)
Causes: Defective connector cable or poor contact in the connector.
Defective fuser belt sensor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Defective fuser belt sensor. Replace the fuser belt sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6610
Description: Fuser release motor error
When the fuser release motor is driven, the fuser release sensor does not turn on/off for 5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective fuser release motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective fuser release motor. Replace the fuser release motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6620
Description: IH core motor error
When the IH core motor is driven, the IH core sensor does not turn off for 5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective IH core motor.
Defective front PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH core motor and front PWB (YC10) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective IH core motor. Replace the IH core motor.
Defective front PWB. Replace the front PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6710
Description: Fuser IH PWB CPU reset error
Watch doc timer has been overflowed.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6720
Description: Fuser IH belt rotation error
A belt rotating pulse is not received for 1 second.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser belt sensor.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser unit and engine PWB (YC26)
Defective fuser belt sensor. Replace the fuser belt sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6730
Description: Abnormally high fuser IH PWB temperature 1
The input detect temperature is greater than 105°C/221 °F.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6740
Description: Abnormally high fuser IH PWB temperature 2
The input detect temperature is greater than 105°C/221 °F.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6750
Description: Fuser IH output over-current error
The output current is greater than 75A for 10 ms in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6760
Description: Fuser IH input over-current error
The input current is greater than 20A for 100 ms in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6770
Description: Fuser IH low electric power error
The preset power is less than 0.6 times of it for 120 ms in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6780
Description: Fuser IH input over-voltage error
The input voltage is greater than 140V for 200 ms in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6900
Description: Fuser front fan motor error
When the fuser front fan motor is driven, alarm signal is detected for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser front fan motor.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser front fan motor and front PWB (YC4) Front PWB (YC3) and engine PWB (YC7)
Defective fuser front fan motor. Replace the fuser front fan motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6910
Description: Fuser rear fan motor error
When the fuser rear fan motor is driven, alarm signal is detected for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser rear fan motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser rear fan motor and engine PWB (YC26)
Defective fuser rear fan motor. Replace the fuser rear fan motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6920
Description: Fuser edge fan motor 1 error
When the fuser edge fan motor 1 is driven, alarm signal is detected for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser edge fan motor 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser edge fan motor and engine PWB (YC26)
Defective fuser edge fan motor 1. Replace fuser edge fan motor 1
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6930
Description: Fuser edge fan motor 2 error
When the fuser edge fan motor 2 is driven, alarm signal is detected for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser edge fan motor 2.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, Fuser edge fan motor 2 and fuser PWB (YC2) Fuser PWB (YC1) and engine PWB (YC26)
Defective fuser edge fan motor 2. Replace fuser edge fan motor 2.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6940
Description: IH fan motor error
When the IH fan motor is driven, the alarm signal is detected for 5 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective IH fan motor.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH fan motor and feed PWB 1 (YC11) Feed PWB 1 (YC2) and engine PWB (YC5)
Defective IH fan motor. Replace the IH fan motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6950
Description: Fuser IH PWB communication error
No response is received in 30 ms since a command is sent to IHCPU. A checksum error is detected 10 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser IH PWB (YC4) and engine PWB (YC26)
Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 6960
Description: Current PWB error
Less than 1A is continuously observed for 5 seconds.
Causes: Defective current PWB.
Remedy: Replace the current PWB and check for correct operation.

Code: 6990
Description: Fuser power supply incompatibility
Information won’t match between the engine backup and the fuser IH PWB.
Causes: Defective fuser IH PWB.
Defective engine PWB.
Remedy: Defective fuser IH PWB. Replace the fuser IH PWB and check for correct operation.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7001
Description: Toner motor K error
A state in which the lock signal is detected for 20 times has been detected 3 times during the toner motor K is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective screw sensor K.
Defective toner motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner motor K and engine PWB (YC27)
Defective toner motor K. Replace the toner motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7002
Description: Toner motor C error
A state in which the lock signal is detected for 20 times has been detected 3 times during the toner motor C is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective screw sensor C.
Defective toner motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner motor C and engine PWB (YC27)
Defective toner motor C. Replace the toner motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7003
Description: Toner motor M error
A state in which the lock signal is detected for 20 times has been detected 3 times during the toner motor M is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective screw sensor M.
Defective toner motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner motor M and engine PWB (YC27)
Defective toner motor M. Replace the toner motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7004
Description: Toner motor Y error A state in which the lock signal is detected for 20 times has been detected 3 times during the toner motor Y is activated.
Causes: Defective connector cable or poor contact in the connector.
Defective screw sensor Y.
Defective toner motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner motor Y and engine PWB (YC27)
Defective toner motor Y. Replace the toner motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7101
Description: Toner sensor K error
Sensor output value of 60 or less or 944 or more continued for 3 s.
Causes: Defective connector cable or poor contact in the connector.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner sensor K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7102
Description: Toner sensor C error
Sensor output value of 60 or less or 944 or more continued for 3 s.
Causes: Defective connector cable or poor contact in the connector.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner sensor C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7103
Description: Toner sensor M error
Sensor output value of 60 or less or 944 or more continued for 3 s.
Causes: Defective connector cable or poor contact in the connector.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner sensor M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7104
Description: Toner sensor Y error
Sensor output value of 60 or less or 944 or more continued for 3 s.
Causes: Defective connector cable or poor contact in the connector
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner sensor Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7200
Description: Broken outer temperature sensor 2 wire The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective outer temperature sensor 2.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Outer temperature sensor 2 and front PWB (YC19) Front PWB (YC2) and engine PWB (YC10)
Defective outer temperature sensor 2. Replace outer temperature sensor 2.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7210
Description: Short-circuited outer temperature sensor 2
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective outer temperature sensor 2.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Outer temperature sensor 2 and front PWB (YC19) Front PWB (YC2) and engine PWB (YC10)
Defective outer temperature sensor 2. Replace outer temperature sensor 2.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7221
Description: Broken LSU thermistor K wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector
Defective LSU thermistor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7222
Description: Broken LSU thermistor C wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7223
Description: Broken LSU thermistor M wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7224
Description: Broken LSU thermistor Y wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7231
Description: Short-circuited LSU thermistor K
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC5) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor K. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7232
Description: Short-circuited LSU thermistor C
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor C
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC10) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor C. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7233
Description: Short-circuited LSU thermistor M The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor M. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7234
Description: Short-circuited LSU thermistor Y
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective LSU thermistor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and engine PWB (YC12)
Defective LSU thermistor Y. Replace the laser scanner unit.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7241
Description: Broken developer thermistor K wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective developer thermistor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor K. Replace developer unit K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7242
Description: Broken developer thermistor C wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector
Defective developer thermistor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor C. Replace developer unit C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7243
Description: Broken developer thermistor M wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective developer thermistor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor M. Replace developer unit M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7244
Description: Broken developer thermistor Y wire
The sensor input sampling is greater than 230.
Causes: Defective connector cable or poor contact in the connector.
Defective developer thermistor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor Y. Replace developer unit Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7251
Description: Short-circuited developer thermistor K
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective developer thermistor K.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor K. Replace developer unit K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7252
Description: Short-circuited developer thermistor C
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector
Defective developer thermistor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor C. Replace developer unit C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7253
Description: Short-circuited developer thermistor M
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector
Defective developer thermistor M.
Defective engine PWB
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor M. Replace developer unit M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7254
Description: Short-circuited developer thermistor Y wire
The sensor input sampling is less than 69.
Causes: Defective connector cable or poor contact in the connector.
Defective developer thermistor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
Defective developer thermistor Y. Replace developer unit Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7301
Description: Toner hopper motor K error
When the toner hopper motor K is driven, toner hopper sensor K does not turn on within 200 ms. This error is detected 15 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective toner hopper sensor K.
Defective toner hopper motor K.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner hopper motor K and retainer PWB (YC4) Retainer PWB (YC3) and front PWB (YC6) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective toner hopper sensor K. Replace the toner hopper sensor K.
Defective toner hopper motor K. Replace the toner hopper motor K.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7302
Description: Toner hopper motor C error
When the toner hopper motor C is driven, toner hopper sensor C does not turn on within 200 ms. This error is detected 15 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective toner hopper sensor C.
Defective toner hopper motor C.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner hopper motor C and retainer PWB (YC4) Retainer PWB (YC3) and front PWB (YC6) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective toner hopper sensor C. Replace the toner hopper sensor C.
Defective toner hopper motor C. Replace the toner hopper motor C.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7303
Description: Toner hopper motor M error
When the toner hopper motor M is driven, toner hopper sensor M does not turn on within 200 ms. This error is detected 15 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective toner hopper sensor M.
Defective toner hopper motor M.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner hopper motor M and retainer PWB (YC4) Retainer PWB (YC3) and front PWB (YC6) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective toner hopper sensor M. Replace the toner hopper sensor M.
Defective toner hopper motor M. Replace the toner hopper motor M.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7304
Description: Toner hopper motor Y error
When the toner hopper motor Y is driven, toner hopper sensor Y does not turn on within 200 ms. This error is detected 15 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective toner hopper sensor Y.
Defective toner hopper motor Y.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner hopper motor Y and retainer PWB (YC4) Retainer PWB (YC3) and front PWB (YC6) Front PWB (YC3) and engine PWB (YC7)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective toner hopper sensor Y. Replace the toner hopper sensor Y.
Defective toner hopper motor Y. Replace the toner hopper motor Y.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7401
Description: Developer unit K type mismatch error
Absence of the developer unit K is detected.
Causes: Defective connector cable or poor contact in the connector.
Different type of the developer unit is installed.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
Different type of the developer unit is installed. Install the correct developer unit.

Code: 7402
Description: Developer unit C type mismatch error
Absence of the developer unit C is detected.
Causes: Defective connector cable or poor contact in the connector.
Different type of the developer unit is installed.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
Different type of the developer unit is installed. Install the correct developer unit.

Code: 7403
Description: Developer unit M type mismatch error
Absence of the developer unit M is detected.
Causes: Defective connector cable or poor contact in the connector
Different type of the developer unit is installed
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
Different type of the developer unit is installed. Install the correct developer unit.

Code: 7404
Description: Developer unit Y type mismatch error
Absence of the developer unit Y is detected.
Causes: Defective connector cable or poor contact in the connector.
Different type of the developer unit is installed.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
Different type of the developer unit is installed. Install the correct developer unit.

Code: 7460
Description: Developer shutter error
Power is turned on while the developer shutter is locked.
Causes: The developer shutter has been locked.
Defective connector cable or poor contact in the connector.
Remedy: The developer shutter has been locked. Release the developer shutter.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer shutter sensor and front PWB (YC5) Front PWB (YC3) and engine PWB (YC7)

Code: 7601
Description: ID sensor 1 error
An abnormal value is detected in the input data to ID sensor 1.
Causes: Defective connector cable or poor contact in the connector
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. ID sensor 1 and feed PWB 1 (YC10) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7602
Description: ID sensor 2 error
An abnormal value is detected in the input data to ID sensor 2.
Causes: Defective connector cable or poor contact in the connector.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. ID sensor 2 and feed PWB 1 (YC10) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7800
Description: Broken outer temperature sensor 1 wire
The sensor input sampling is greater than 255.
Causes: Defective connector cable or poor contact in the connector.
Defective outer temperature sensor 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Outer temperature sensor and front PWB (YC16) Front PWB (YC2) and engine PWB (YC10)
Defective outer temperature sensor. Replace outer temperature sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7810
Description: Short-circuited outer temperature sensor 1
The sensor input sampling is less than 0.
Causes: Defective connector cable or poor contact in the connector.
Defective outer temperature sensor 1.
Defective engine PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Outer temperature sensor and front PWB (YC16) Front PWB (YC2) and engine PWB (YC10)
Defective outer temperature sensor. Replace outer temperature sensor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 7901
Description: Drum K EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drum PWB K.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum PWB K and front PWB (YC7) Front PWB (YC2) and engine PWB (YC10)
Defective drum PWB K. Replace the drum unit K.

Code: 7902
Description: Drum C EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drum PWB C.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum PWB C and front PWB (YC12) Front PWB (YC2) and engine PWB (YC10)
Defective drum PWB C. Replace the drum unit C.

Code: 7903
Description: Drum M EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drum PWB M.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum PWB M and front PWB (YC10) Front PWB (YC2) and engine PWB (YC10)
Defective drum PWB M. Replace the drum unit M.

Code: 7904
Description: Drum Y EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective drum PWB Y.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum PWB Y and front PWB (YC14) Front PWB (YC2) and engine PWB (YC10)
Defective drum PWB Y. Replace the drum unit Y.

Code: 7911
Description: Developer unit K EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective developer unit K.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
Defective developer unit K. Replace the developer unit K.

Code: 7912
Description: Developer unit C EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective developer unit C.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
Defective developer unit C. Replace the developer unit C.

Code: 7913
Description: Developer unit M EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective developer unit M.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
Defective developer unit M. Replace the developer unit M.

Code: 7914
Description: Developer unit Y EEPROM error
No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective developer unit Y.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
Defective developer unit Y. Replace the developer unit Y.

Code: 7941
Description: Laser scanner unit K EEPROM error
Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective APC PWB K.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. APC PWB K and LSU relay PWB (YC5) LSU relay PWB (YC2) and engine PWB (YC11)
Defective APC PWB K. Replace the laser scanner unit.

Code: 7942
Description: Laser scanner unit C EEPROM error
Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective APC PWB C.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. APC PWB C and LSU relay PWB (YC10) LSU relay PWB (YC2) and engine PWB (YC11)
Defective APC PWB C. Replace the laser scanner unit.

Code: 7943
Description: Laser scanner unit M EEPROM error
Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective APC PWB M.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. APC PWB M and LSU relay PWB (YC8) LSU relay PWB (YC2) and engine PWB (YC11)
Defective APC PWB M. Replace the laser scanner unit.

Code: 7944
Description: Laser scanner unit Y EEPROM error
Mismatch of reading data from two locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: Defective connector cable or poor contact in the connector.
Defective APC PWB Y.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. APC PWB Y and LSU relay PWB (YC12) LSU relay PWB (YC2) and engine PWB (YC11)
Defective APC PWB Y. Replace the laser scanner unit.

Code: 8000
Description: Finisher incompatible detection error
The finisher has been installed with a device to which it is incompatible.
Causes: The finisher is installed with a device to which it is incompatible.
Remedy: The finisher must be installed with the devices to which it is compatible.

Code: 8010
Description: Punch motor error 1
When the punch motor is driven, punch home position sensor does not turn on within 200 ms.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective punch home position sensor.
Defective punch motor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch home position sensor and punch PWB (YC8) Punch PWB (YC1) and DF main PWB (YC7)
Defective punch home position sensor. Replace the punch home position sensor.
Defective punch motor. Replace the punch motor.
Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

Code: 8020
Description: Punch motor error 2
Home position is not obtained in 3 seconds after home position is initialized or in standby.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective punch motor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC7)
Defective punch motor. Replace the punch motor.
Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

Code: 8030
Description: Punch motor error 3
Home position does not turn from On to Off in 50 ms after home position has been initialized.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective punch motor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC7
Defective punch motor. Replace the punch motor.
Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

Code: 8090
Description: DF paddle motor error
When the DF paddle motor is driven, DF paddle sensor does not turn on within 1 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF paddle sensor
Defective DF paddle motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF paddle motor and DF main PWB (YC15) DF paddle sensor and DF main PWB (YC22)
Defective DF paddle sensor. Replace the DF paddle sensor.
Defective DF paddle motor. Replace the DF paddle motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8100
Description: DF eject release motor error
When the DF eject release motor is driven, DF bundle discharge sensor does not turn on within 1 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF bundle discharge sensor.
Defective DF eject release motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF eject release motor and DF main PWB (YC12) DF bundle discharge sensor and DF main PWB (YC22)
Defective DF bundle discharge sensor. Replace the DF bundle discharge sensor.
Defective DF eject release motor. Replace the DF eject release motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8110
Description: DF shift motor 1 error
When the DF shift motor 1 is driven, DF shift sensor 1 does not turn on within 160 ms.
Causes: Defective connector cable or poor contact in the connector
Defective DF shift sensor 1.
Defective DF shift motor 1.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF shift motor 1 and DF main PWB (YC14) DF shift sensor 1 and DF main PWB (YC23)
Defective DF shift sensor 1. Replace the DF shift sensor 1.
Defective DF shift motor 1. Replace the DF shift motor 1.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8120
Description: DF shift motor 2 error
When the DF shift motor 2 is driven, DF shift sensor 2 does not turn on within 160 ms.
Causes: Defective connector cable or poor contact in the connector.
Defective DF shift sensor 2.
Defective DF shift motor 2.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF shift motor 2 and DF main PWB (YC14) DF shift sensor 2 and DF main PWB (YC23)
Defective DF shift sensor 2. Replace the DF shift sensor 2.
Defective DF shift motor 2. Replace the DF shift motor 2.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8130
Description: DF shift release motor error When the DF shift release motor is driven, DF shift release sensor does not turn on within 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective DF shift release sensor.
Defective DF shift release motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF shift release motor and DF main PWB (YC14) DF shift release sensor and DF main PWB (YC23)
Defective DF shift release sensor. Replace the DF shift release sensor.
Defective DF shift release motor. Replace the DF shift release motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8140
Description: DF tray motor error 1
When the main tray has started ascending, DF tray sensor 1 or DF tray upper surface sensor does not turn on within 20 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective sensor.
Defective DF tray motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF tray motor and DF main PWB (YC16) DF tray sensor 1 and DF main PWB (YC22) DF tray upper surface sensor and DF main PWB (YC21, YC13)
Defective sensor. Replace DF tray sensor 1 or DF tray upper surface sensor.
Defective DF tray motor. Replace the DF tray motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8150
Description: DF tray motor error 2
When the main tray has descended, DF tray sensor 1 or DF tray upper surface sensor does not turn off within 5s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective sensor.
Defective DF tray motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF tray motor and DF main PWB (YC16) DF tray sensor 1 and DF main PWB (YC22) DF tray upper surface sensor and DF main PWB (YC21, YC13)
Defective sensor. Replace DF tray sensor 1 or DF tray upper surface sensor.
Defective DF tray motor. Replace the DF tray motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8160
Description: DF tray motor error 3
When the main tray has descended, DF tray sensor 3 does not turn on within 20 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF tray sensor 3.
Defective DF tray motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF tray motor and DF main PWB (YC16) DF tray sensor 3 and DF main PWB (YC23)
Defective DF tray sensor 3. Replace DF tray sensor 3.
Defective DF tray motor. Replace the DF tray motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8170
Description: DF side registration motor 1 error 1
When initial operation, DF side registration sensor 1 does not turn on within 3 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF side registration sensor 1.
Defective DF side registration motor 1.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF side registration motor 1 and DF main PWB (YC15) DF side registration sensor 1 and DF main PWB (YC22)
Defective DF side registration sensor 1. Replace DF side registration sensor 1.
Defective DF side registration motor 1. Replace DF side registration motor 1.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8180
Description: DF side registration motor 1 error 2
JAM6810 is detected twice.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF side registration sensor 1.
Defective DF side registration motor 1.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF side registration motor 1 and DF main PWB (YC15) DF side registration sensor 1 and DF main PWB (YC22)
Defective DF side registration sensor 1. Replace DF side registration sensor 1.
Defective DF side registration motor 1. Replace DF side registration motor 1.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8190
Description: DF side registration motor 2 error 1
When initial operation, DF side registration sensor 2 does not turn on within 3 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF side registration sensor 2.
Defective DF side registration motor 2.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF side registration motor 2 and DF main PWB (YC15) DF side registration sensor 2 and DF main PWB (YC22)
Defective DF side registration sensor 2. Replace DF side registration sensor 2.
Defective DF side registration motor 2. Replace DF side registration motor 2.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8200
Description: DF side registration motor 2 error 2
JAM6910 is detected twice.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF side registration sensor 2.
Defective DF side registration motor 2.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF side registration motor 2 and DF main PWB (YC15) DF side registration sensor 2 and DF main PWB (YC22)
Defective DF side registration sensor 2. Replace DF side registration sensor 2.
Defective DF side registration motor 2. Replace DF side registration motor 2.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8210
Description: DF slide motor error
When initial operation, DF staple sensor does not turn on within 3 s.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF staple sensor.
Defective DF slide motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF slide motor and DF main PWB (YC12) DF staple sensor and DF main PWB (YC22)
Defective DF staple sensor. Replace the DF staple sensor.
Defective DF slide motor. Replace the DF slide motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8230
Description: DF staple motor error 1
JAM7000 is detected twice.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF staple sensor.
Defective DF staple motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Staple unit and DF main PWB (YC17)
Defective DF staple sensor. Defective DF staple motor. Replace the staple unit.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8240
Description: DF staple motor error 2
The lock signal of the motor is detected continuously for 500 ms.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF staple motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Staple unit and DF main PWB (YC17)
Defective DF staple motor. Replace the staple unit.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8250
Description: DF tray motor error 4
The lock signal of the motor is detected continuously for 500 ms.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective DF tray motor.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF tray motor and DF main PWB (YC16) DF tray sensor 3 and DF main PWB (YC23)
Defective DF tray motor. Replace the DF tray motor.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8300
Description: Center-folding unit communication error
Communication with the center-folding unit is not possible.
Causes: Defective connector cable or poor contact in the connector.
Defective CF set sensor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF main PWB (YC7) and DF main PWB (YC9)
Defective CF set sensor. Replace the CF set sensor.
Defective PWB. Replace the CF main PWB or the DF main PWB and check for correct operation.

Code: 8310
Description: CF side registration motor 2 error
When initial operation, CF side registration sensor 2 does not turn on within 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective CF side registration sensor 2.
Defective CF side registration motor 2.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF side registration motor 2 and CF main PWB (YC10) CF side registration sensor 2 and CF main PWB (YC20)
Defective CF side registration sensor 2. Replace CF side registration sensor 2.
Defective CF side registration motor 2. Replace CF side registration motor 2.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8320
Description: CF adjustment motor error
When initial operation, CF adjustment sensor does not turn on within 2.5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective CF adjustment sensor 1, 2.
Defective CF adjustment motor 1, 2.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF adjustment motor 1, 2 and CF main PWB (YC10) CF adjustment sensor 1, 2 and CF main PWB (YC20)
Defective CF adjustment sensor 1, 2. Replace CF adjustment sensor 1, 2.
Defective CF adjustment motor 1, 2. Replace CF adjustment motor 1, 2.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8330
Description: CF blade motor error
When initial operation, CF blade sensor does not turn on within 1.5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective CF blade sensor.
Defective CF blade motor.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF blade motor and CF main PWB (YC15) CF blade sensor and CF main PWB (YC20)
Defective CF blade sensor. Replace the CF blade sensor.
Defective CF blade motor. Replace the CF blade motor.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8340
Description: CF staple motor error 1
JAM7600 is detected twice.
Causes: Defective connector cable or poor contact in the connector.
Defective CF staple sensor.
Defective CF staple motor.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF staple unit and CF main PWB (YC13)
Defective CF staple sensor. Defective CF staple motor. Replace the CF staple unit.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8350
Description: CF side registration motor 1 error
When initial operation, CF side registration sensor 1 does not turn on within 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective CF side registration sensor 1.
Defective CF side registration motor 1.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF side registration motor 1 and CF main PWB (YC10) CF side registration sensor 1 and CF main PWB (YC20)
Defective CF side registration sensor 1. Replace CF side registration sensor 1.
Defective CF side registration motor 1. Replace CF side registration motor 1.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8360
Description: CF main motor error
During driving the motor, lock signal is detected for 1 s continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective CF main motor
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF main motor and CF main PWB (YC16)
Defective CF main motor. Replace the CF main motor.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8370
Description: CF staple motor error 2
The lock signal of the motor is detected continuously for 500 ms.
Causes: Defective connector cable or poor contact in the connector.
Defective CF staple motor.
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF staple unit and CF main PWB (YC13)
Defective CF staple motor. Replace the CF staple unit.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 8410
Description: Punch slide motor error 1
The punch slide sensor won’t turn On when home position has been moved by 30 mm.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective slide sensor.
Defective punch slide motor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch slide motor and punch PWB (YC3) Punch slide sensor and punch PWB (YC6) Punch PWB (YC1) and DF main PWB (YC7)
Defective slide sensor. Replace the punch slide sensor.
Defective punch slide motor. Replace the punch slide motor.
Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

Code: 8420
Description: Punch slide motor error 2
In detection of paper edges, the paper edge cannot be detected in 30 mm move.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective punch slide motor.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch slide motor and punch PWB (YC3) Punch PWB (YC1) and DF main PWB (YC7)
Defective punch slide motor. Replace the punch slide motor.
Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

Code: 8430
Description: Punch unit communication error
Communication with the punch unit is not possible.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch PWB (YC1) and DF main PWB (YC7)
Defective PWB. Replace the punch PWB or the DF main PWB and check for correct operation.

Code: 8500
Description: Mailbox communication error
Communication with the mailbox is not possible.
Causes: Defective connector cable or poor contact in the connector.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MB main PWB (YC3) and DF main PWB (YC6)
Defective PWB. Replace the MB main PWB or the DF main PWB and check for correct operation.

Code: 8510
Description: MB conveying motor error 1
When initial operation, MB home position sensor does not turn on within 5 s.
Causes: Defective connector cable or poor contact in the connector.
Defective MB home position sensor.
Defective MB conveying motor.
Defective MB main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MB conveying motor and MB main PWB (YC5) MB home position sensor and MB main PWB (YC2)
Defective MB home position sensor. Replace the MB home position sensor.
Defective MB conveying motor. Replace the MB conveying motor.
Defective MB main PWB. Replace the MB main PWB and check for correct operation.

Code: 8520
Description: MB conveying motor error 2
When standby operation, MB home position sensor does not turn off within 1 s.
Causes: Defective connector cable or poor contact in the connector.
Defective MB home position sensor.
Defective MB conveying motor.
Defective MB main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MB conveying motor and MB main PWB (YC5) MB home position sensor and MB main PWB (YC2)
Defective MB home position sensor. Replace the MB home position sensor.
Defective MB conveying motor. Replace the MB conveying motor.
Defective MB main PWB. Replace the MB main PWB and check for correct operation.

Code: 8800
Description: Document finisher communication error
Communication with the document finisher is not possible.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF main PWB (YC4) and engine PWB (YC18)
Defective PWB. Replace the DF main PWB or the engine PWB and check for correct operation.

Code: 8900
Description: Document finisher backup error
Read and write data does not match 3 times in succession.
Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher).
Defective connector cable or poor contact in the connector (1000-sheet finisher).
Improper installation EEPROM.
Defective DF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF main PWB (YC4) and engine PWB (YC18)
Improper installation EEPROM. Check the installation of the EEPROM and remedy if necessary.
Defective DF main PWB. Replace the DF main PWB and check for correct operation.

Code: 8930
Description: Center-folding unit backup error
Read and write data does not match 3 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Improper installation EEPROM
Defective CF main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CF main PWB (YC7) and DF main PWB (YC9)
Improper installation EEPROM. Check the installation of the EEPROM and remedy if necessary.
Defective CF main PWB. Replace the CF main PWB and check for correct operation.

Code: 9000
Description: Document processor communication error
Communication with the document processor is not possible.
Causes: Defective connector cable or poor contact in the connector
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP main PWB (YC1) and ISC PWB (YC12) ISC PWB (YC3) and main PWB (YC11)
Defective PWB. Replace the DP main PWB or the ISC PWB and check for correct operation.

Code: 9010
Description: Coin vender communication error
A communication error from coin vender is detected 10 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Data setup failure.
Defective coin vender control PWB.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
Data setup failure. Set maintenance mode U206 to off when a coin vender is not installed.
Defective coin vender control PWB. Replace the coin vender control PWB.
Defective PWB. Replace the main PWB and check for correct operation.

Code: 9040
Description: DP lift motor going up error
When the DP lift motor is driven, DP lift sensor 1 does not turn on within 2 s.
Causes: Defective connector cable or poor contact in the connector
Defective DP lift sensor 1.
Defective DP lift motor.
Defective DP main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP lift motor and DP main PWB (YC5) DP lift sensor 1 and DP main PWB (YC4)
Defective DP lift sensor 1. Replace the DP lift sensor 1.
Defective DP lift motor. Replace the DP lift motor.
Defective DP main PWB. Replace the DP main PWB and check for correct operation.

Code: 9050
Description: DP lift motor going down error
When the DP lift motor is driven, DP lift sensor 2 does not turn on within 2 s.
Causes: Defective connector cable or poor contact in the connector.
Defective DP lift sensor 2.
Defective DP lift motor.
Defective DP main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP lift motor and DP main PWB (YC5) DP lift sensor 2 and DP main PWB (YC2)
Defective DP lift sensor 2. Replace the DP lift sensor 2.
Defective DP lift motor. Replace the DP lift motor.
Defective DP main PWB. Replace the DP main PWB and check for correct operation.

Code: 9060
Description: DP EEPROM error
Mismatch of reading data from two locations occurs 3 times successively. Mismatch between writing data and reading data occurs 3 times successively.
Causes: Defective DP main PWB.
Device damage of EEPROM.
Remedy: Defective DP main PWB. Replace the DP main PWB and check for correct operation.
Device damage of EEPROM. Contact the Service Administrative Division.

Code: 9070
Description: Communication error between DP and SHD
A communication error is detected.
Causes: Defective connector cable or poor contact in the connector.
Defective DPSHD PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DPSHD PWB (YC1) and DP main PWB (YC10)
Defective DPSHD PWB. Replace the DPSHD PWB and check for correct operation.

Code: 9080
Description: LED fault detection
When the power supply is turned on, the peak value of LED is 80hex or less.
Causes: Defective connector cable or poor contact in the connector.
Defective CIS.
Defective DPSHD PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CIS and DPSHD PWB (YC1) DPSHD PWB (YC1) and DP main PWB (YC10)
Defective CIS. Replace CIS and check for correct operation.
Defective DPSHD PWB. Replace the DPSHD PWB and check for correct operation.

Code: 9100
Description: Coin vender control PWB error
Communication error has been detected at the coin mec of the coin vender control PWB.
Causes: Defective coin vender control PWB.
Remedy: Replace the coin mec.

Code: 9110
Description: Coin vender error
Communication error has been detected in connection with the coin mec and the rejector.
Causes: Rejector installed incorrectly.
Defective rejector.
Remedy: Rejector installed incorrectly. Check the rejector is properly installed and, if not, perform the corrective action.
Defective rejector. Replace the rejector.

Code: 9120
Description: Sensor error in coin vender change (Yen 10)
Change is empty despite change is enough.
Causes: Coin jam in the change tube
Poor contact in the connector.
Defective change empty sensor.
Defective coin vender control PWB.
Remedy: Coin jam in the change tube Check visually and remedy.
Poor contact in the connector. Check if the change empty sensor is intact.
Defective change empty sensor. Replace the coin mec.
Defective coin vender control PWB. Replace the coin mec.

Code: 9130
Description: Sensor error in coin vender change (Yen 50)
Change is empty despite change is enough.
Causes: Coin jam in the change tube
Poor contact in the connector.
Defective change empty sensor.
Defective coin vender control PWB
Remedy: Coin jam in the change tube Check visually and remedy.
Poor contact in the connector. Check if the change empty sensor is intact.
Defective change empty sensor. Replace the coin mec.
Defective coin vender control PWB. Replace the coin mec.

Code: 9140
Description: Sensor error in coin vender change (Yen 100)
Change is empty despite change is enough.
Causes: Coin jam in the change tube
Poor contact in the connector.
Defective change empty sensor.
Defective coin vender control PWB.
Remedy: Coin jam in the change tube Check visually and remedy.
Poor contact in the connector. Check if the change empty sensor is intact.
Defective change empty sensor. Replace the coin mec.
Defective coin vender control PWB. Replace the coin mec.

Code: 9150
Description: Sensor error in coin vender change (Yen 500)
Change is empty despite change is enough.
Causes: Coin jam in the change tube
Poor contact in the connector.
Defective change empty sensor.
Defective coin vender control PWB.
Remedy: Coin jam in the change tube Check visually and remedy.
Poor contact in the connector. Check if the change empty sensor is intact.
Defective change empty sensor. Replace the coin mec.
Defective coin vender control PWB. Replace the coin mec.

Code: 9160
Description: Coin vender pay-out error
Coin is paid out despite the pay-out motor is determined not active.
Causes: Defective pay-out motor.
Remedy: Replace the coin mec.

Code: 9170
Description: Coin vender pay-out sensor error
Coin is paid out despite the pay-out motor is determined not active.
Causes: Change jam at the pay-out.
Defective pay-out motor.
Defective pay-out sensor.
Remedy: Change jam at the pay-out. Check visually and remedy.
Defective pay-out motor. Replace the coin mec.
Defective pay-out sensor. Replace the coin mec.

Code: 9200
Description: DP multi feed sensor communication error
A communication error is detected 3 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP main PWB (YC1) and ISC PWB (YC12) ISC PWB (YC3) and main PWB (YC11)
Defective PWB. Replace the DP main PWB or the ISC PWB and check for correct operation.

Code: 9210
Description: DP multi feed sensor error
The DP multi feed sensor has signaled the presence of paper for 10 ms continuously.
Causes: Defective connector cable or poor contact in the connector.
Defective DP multi feed sensor.
Defective DP main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP multi feed sensor and DP main PWB (YC11)
Defective DP multi feed sensor. Replace the DP multi feed sensor.
Defective DP main PWB. Replace the DP main PWB and check for correct operation.

Code: 9220
Description: DP multi feed sensor backup error
When writing the data, read and write data does not match 3 times in succession.
Causes: Defective connector cable or poor contact in the connector.
Defective DP multi feed sensor.
Defective DP main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP multi feed sensor and DP main PWB (YC11)
Defective DP multi feed sensor. Replace the DP multi feed sensor.
Defective DP main PWB. Replace the DP main PWB and check for correct operation.

Code: 9500 … 9550
Description: Contact the Service Administrative Division.
Causes:
Remedy: Contact the Service Administrative Division.

Code: F000
Description: Communication error between main PWB and operation PWB
Causes: Defective main PWB.
Defective operation PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
Defective operation PWB. Replace the operation PWB and check for correct operation.

Code: F010
Description: Main PWB checksum error
Causes: Defective main PWB.
Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.

Code: F040
Description: Communication error between main PWB and print engine
Causes: Defective main PWB.
Defective engine PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: F041
Description: Communication error between main PWB and scanner engine
Causes: Defective main PWB.
Defective ISC PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
Defective ISC PWB. Replace the ISC PWB and check for correct operation.

Code: F050
Description: Print engine ROM checksum error
Causes: Defective engine PWB.
Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace engine PWB.

Code: F051
Description: Scanner engine ROM checksum error
Causes: Defective ISC PWB.
Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace ISC PWB.

Code: F278
Description: Power supply in drive system error
Causes: Main power switch was turned off without using the power key, or a power failure has occurred.
Remedy: Turn on power. (To switch off power, first press the power key until the main power indicator goes off, then turn the main power switch off.)

– Buy WIC Reset key on my online store: https://shop.nguyendangnam.com/product/epson-p608-wic-reset-utility-tool/
– Free Download Epson in specific model: https://dnasofts.com/download-epson-readyprint-service-driver-firmware-and-manuals/

Source:
https://dnasofts.com
https://shop.nguyendangnam.com/
https://nguyendangnam.me/
https://chiplessprinter.com/reset-epson-waste-ink-pad-counter.html

Contact us to get support with Kyocera TASKalfa 7550ci Error case

Telegram: https://t.me/hyperaktiv
Facebook: https://www.facebook.com/dngnm/

Fixing Kyocera TASKalfa 7550ci Printer Error Codes in details

Fixing Kyocera TASKalfa 7550ci Printer Error Codes in details

Contact us to get support with Kyocera TASKalfa 7550ci Error case

Search

Shopping Cart

Items in Your Cart

Product

+0084 915 589 236

Fixing Kyocera TASKalfa 7550ci Printer Error Codes in details

Contact us to get support with Kyocera TASKalfa 7550ci Error case

Bài viết liên quan

About dangnam69

Footer

Tags

Search

Shopping Cart

Items in Your Cart

Product