Fixing Kyocera KMC2630D Printer Error Codes in details

– Printer model: Kyocera KMC2630D
– Fix Error codes on Kyocera KMC2630D model and its description:

Code: C0030
Description: Fax control PWB problem • Processing with the fax software was disable due to a hardware or software problem.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0070
Description: 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 control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0100
Description: Scanner main PWB backup memory device problem • Writing or erasing has not completed even after a certain time.
Causes: Defective scanner main PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

Code: C0110
Description: Backup memory data problem A • Data in the specified area of the backup memory does not match the specified values.
Causes: Problem with the backup memory data.
Remedy: Problem with the backup memory data. Turn safety switch 1 off and back on and run maintenance item U020 to set the contents of the backup memory data again.

Code: C0121
Description: EEPROM read error (drum PWB K) • When data is transmitted to the EEPROM on drum PWB K, the ACK signal is not returned within 1 s.
Causes: Poor contact in the connector terminals. Defective drum PWB K.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC9 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective drum PWB K. Replace the black process unit.

Code: C0122
Description: EEPROM read error (drum PWB C) • When data is transmitted to the EEPROM on drum PWB C, the ACK signal is not returned within 1 s.
Causes: Poor contact in the connector terminals. Defective drum PWB C.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective drum PWB C. Replace the cyan process unit.

Code: C0123
Description: EEPROM read error (drum PWB M) • When data is transmitted to the EEPROM on drum PWB M, the ACK signal is not returned within 1 s.
Causes: Poor contact in the connector terminals. Defective drum PWB M.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC11 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective drum PWB M. Replace the magenta process unit.

Code: C0124
Description: EEPROM read error (drum PWB Y) • When data is transmitted to the EEPROM on drum PWB Y, the ACK signal is not returned within 1 s.
Causes: Poor contact in the connector terminals. Defective drum PWB Y.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC12 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective drum PWB Y. Replace the yellow process unit.

Code: C0130
Description: Backup memory (EEPROM) device problem
Causes: Defective scanner main PWB. Device damage of EEPROM.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation. Device damage of EEPROM. Contact the Service Administrative Division.

Code: C0140
Description: Backup memory (EEPROM) data problem
Causes: Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division.

Code: C0150
Description: Backup memory device problem (Engine controller PWB) • An error occurs in backup data read or write for the engine controller PWB. • An error occurs in control area deletion.
Causes: Defective engine controller PWB. Data damage of EEPROM.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Data damage of EEPROM. Contact the Service Administrative Division.

Code: C0160
Description: Backup memory data problem (Engine controller PWB) • Data for backup data check is changed at the check after startup.
Causes: Problem with the backup memory data.
Remedy: Problem with the backup memory data. Run maintenance item U020 to initialize the backup memory data.

Code: C0170
Description: Copy counts problem • A checksum error is detected in the main and sub backup memories for the copy counters.
Causes: Data damage of EEPROM. Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division. Data damage of EEPROM. Contact the Service Administrative Division.

Code: C0180
Description: Backup memory data problem B • Backup data on the engine controller PWB has broken.
Causes: Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division if the problem occurs frequently.

Code: C0210
Description: CPU communication problem • There is no reply after 20 retries at communication.
Causes: Defective engine controller PWB. Defective scanner main PWB. Poor contact in the connector terminals.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective scanner main PWB. Replace the scanner main PWB and check for correct operation. Poor contact in the connector terminals. Check the connection of the engine controller PWB and scanner main PWB, and the continuity across the connector terminals. Repair or replace if necessary.

Code: C0240
Description: Printer board communication problem • The printer board does not respond 120 seconds after the power is turned on.
Causes: Poor contact in the connector terminals. DIMM installed incorrectly. Defective engine controller-printer board relay PWB or printer board.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the engine controller-printer board relay PWB and the connector on the printer board. Repair or replace if necessary. DIMM installed incorrectly. Check the connection. Repair or replace if necessary. Defective engine controller-printer board relay PWB or printer board. Replace the printer board and check for correct operation. Contact the Service Administrative Division if the problem is not solved.

Code: C0250
Description: Network scanner board communication problem • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective scanner main PWB or network scanner board.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC14 on the scanner main PWB and the connector on the network scanner board. Repair or replace if necessary. Defective scanner main PWB or network scanner board. Replace the scanner main PWB or network scanner board and check for correct operation.

Code: C0280
Description: Abnormal communication between scanner MIP PWB and fax control PWB • After scanner MIP PWB status change signal turns on 1 minute, when it does not receive key required command from the fax control PWB, one time it resets the FAX. After that, while scanner MIP PWB status change signal turns on furthermore 1 minute, when it does not receive key required command from the fax control PWB. • When FAX_READY signal continues “fake” for 6 s, one time it resets the FAX. After that, when FAX_READY “fake” continues “fake” for 6 s.
Causes: Poor contact in the connector terminals. Defective scanner MIP PWB or fax control PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the scanner MIP PWB and the connector CN1 on the fax control PWB. Repair or replace if necessary. Defective scanner MIP PWB or fax control PWB. Replace the scanner MIP PWB or fax control PWB and check for correct operation.

Code: C0310
Description: LPH drive PWB communication error • When an error in communication with the CPU for LPH control on the LPH drive PWB is detected, transmission/ reception is not normally completed even after 10 times of retry.
Causes: Poor contact in the connector terminals. Defective LPH drive PWB. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC31 on the engine controller PWB and the connector YC2 on the LPH drive PWB. Repair or replace if necessary. Defective LPH drive PWB. Replace the LPH drive PWB. Defective engine controller PWB. Replace the engine controller PWB.

Code: C0420
Description: Paper feeder communication error 1 (upper of optional 500-sheet paper feeder) • Reception is not normally completed even after 40 times of retry at startup or 5 times of retry in normal operation.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional upper paper feeder.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB and the connector YC2 on the paper feeder main PWB. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional upper paper feeder. Replace the paper feeder with another unit and check the operation. If the operation is normal, replace or repair the upper of the optional paper feeder.

Code: C0440
Description: Document finisher communication problem (optional document finisher) • Reception is not normally completed even after 40 times of retry at startup or 5 times of retry in normal operation.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional document finisher.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC26 on the engine controller PWB and the connector on the finisher main PWB. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional document finisher. Replace the document finisher with another unit and check the operation. If the operation is normal, replace or repair the optional document finisher.

Code: C0500
Description: Paper feeder communication error 1 (lower of optional 500 sheets paper feeder) • Reception is not normally completed even after 40 times of retry at startup or 5 times of retry in normal operation.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional lower paper feeder.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB and the connector YC9 on the paper feeder main PWB of upper paper feeder. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional lower paper feeder. Replace the paper feeder with another unit and check the operation. If the operation is normal, replace or repair the lower of the optional paper feeder.

Code: C0600
Description: DIMM problem • The DIMM mounted on the scanner main PWB does not operate correctly.
Causes: DIMM installed incorrectly. Defective DIMM. Defective scanner main PWB.
Remedy: DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the scanner main PWB correctly. Defective DIMM. Replace DIMM and check for correct operation. Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

Code: C0610
Description: Bitmap problem • The DIMM on the scanner main PWB does not operate correctly.
Causes: Defective scanner main PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

– Kyocera KMC2630D printer Error Codes and quick guide to troubleshooting:

Code: C0630
Description: DMA problem • DMA transmission of compressed, decompressed, rotated, relocated or blanked-out image data does not complete within the specified period of time.
Causes: Defective scanner main PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

Code: C0640
Description: Hard disk problem • The hard disk cannot be accessed.
Causes: Defective scanner main PWB. Defective memory copy board. Defective hard disk.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation. Defective memory copy board. Replace the memory copy board and check for correct operation. Defective hard disk. Replace the hard disk device and check for correct operation.

Code: C0700
Description: Paper feeder EEPROM error 1 (upper of optional 500-sheet paper feeder) • When power is turned on, an error is detected in memory check for the upper of the optional 500-sheet paper feeder and a backup memory error is received in serial communication data.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional upper paper feeder.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB and the connector YC2 on the paper feeder main PWB. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional upper paper feeder. Replace the paper feeder with another unit and check the operation. If the operation is normal, replace or repair the upper of the optional paper feeder.

Code: C0710
Description: Paper feeder EEPROM error 2 (lower of optional 500-sheet paper feeder) • When power is turned on, an error is detected in memory check for the lower of the optional 500-sheet paper feeder and a backup memory error is received in serial communication data.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional lower paper feeder.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB and the connector YC9 on the paper feeder main PWB of upper paper feeder. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional lower paper feeder. Replace the paper feeder with another unit and check the operation. If the operation is normal, replace or repair the lower of the optional paper feeder.

Code: C0750
Description: Document finisher EEPROM error • A backup memory error is received in serial communication data from the finisher.
Causes: Poor contact in the connector terminals. Defective engine controller PWB. Defective optional document finisher.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC26 on the engine controller PWB and the connector on the finisher main PWB. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB. Defective optional document finisher. Replace the document finisher with another unit and check the operation. If the operation is normal, replace or repair the document finisher.

Code: C0810
Description: SCC microcomputer status problem • Abnormal SCC microcomputer status has been detected.
Causes: Defective scanner main PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

Code: C0820
Description: Fax control PWB CG ROM checksum error • A checksum error occurred with the CG ROM data of the fax control PWB.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0830
Description: Fax control PWB flash program area checksum error • A checksum error occurred with the program of the fax control PWB.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0840
Description: RTC problem • 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: Defective scanner main PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation.

Code: C0860
Description: Fax control PWB software switch checksum error • A checksum error occurred with the software switch value of the fax control PWB.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0870
Description: Graphics data transfer problem • High-capacity data transfer between the fax control PWB and the scanner MIP PWB was not normally performed even if the data transfer was retried the specified times.
Causes: Poor contact in the connector terminals. Defective scanner MIP PWB or fax control PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the scanner MIP PWB and CN1 on the fax control PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective scanner MIP PWB or fax control PWB. Replace the scanner MIP PWB or fax control PWB and check for correct operation.

Code: C0880
Description: Program archive problem • When power is turned on, the compressed program in the Flash ROM on the fax control PWB was not successfully decompressed.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0890
Description: Fax control PWB CG FONT archive problem • When power is turned on, the compressed CG font in the Flash ROM on the fax control PWB was not successfully decompressed.
Causes: Defective fax control PWB.
Remedy: Defective fax control PWB. Replace the fax control PWB and check for correct operation.

Code: C0951
Description: LPH current correction EEPROM error • A correction data error for the fourth color (black) is detected.
Causes: Defective EEPROM of LPH drive PWB.
Remedy: Defective EEPROM of LPH drive PWB. Rewrite the correction data.

Code: C0952
Description: LPH current correction EEPROM error • A correction data error for the second color (cyan) is detected.
Causes: Defective EEPROM of LPH drive PWB.
Remedy: Defective EEPROM of LPH drive PWB. Rewrite the correction data.

Code: C0953
Description: LPH current correction EEPROM error • A correction data error for the first color (magenta) is detected.
Causes: Defective EEPROM of LPH drive PWB.
Remedy: Defective EEPROM of LPH drive PWB. Rewrite the correction data.

Code: C0954
Description: LPH current correction EEPROM error • A correction data error for the third color (yellow) is detected.
Causes: Defective EEPROM of LPH drive PWB.
Remedy: Defective EEPROM of LPH drive PWB. Rewrite the correction data.

Code: C1010
Description: Cassette lift motor error • The bottom plate limit detection sensor is not turned on within 9,000 ms after the cassette is inserted and the sensor is not turned on within 200 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective cassette lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective cassette lift motor. Replace the cassette lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1100
Description: Paper feeder upper lift motor error (upper cassette of 1500-sheet paper feeder) • The paper feeder upper limit detection sensor is not turned on within 10,000 ms after the upper cassette is inserted and the sensor is not turned on within 200 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder upper lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder upper lift motor. Replace the paper feeder upper lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1110
Description: Paper feeder middle lift motor error (middle cassette of 1500-sheet paper feeder) • The paper feeder middle limit detection sensor is not turned on within 10,000 ms after the middle cassette is inserted and the sensor is not turned on within 500 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder middle lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder middle lift motor. Replace the paper feeder middle lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1120
Description: Paper feeder lower lift motor error (lower cassette of 1500-sheet paper feeder) • The paper feeder lower limit detection sensor is not turned on within 10,000 ms after the lower cassette is inserted and the sensor is not turned on within 500 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder lower lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder lower lift motor. Replace the paper feeder lower lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1130
Description: Paper feeder lift motor error (cassette of 3000-sheet paper feeder) • The paper feeder limit detection sensor is not turned on within 10,000 ms after the cassette is inserted and the sensor is not turned on within 500 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder lift motor. Replace the paper feeder lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1140
Description: Right deck lift motor error (right deck of 3000-sheet paper feeder) • The right deck limit detection sensor is not turned on within 60,000 ms after the right deck is inserted and the sensor is not turned on within 1,000 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective right deck lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective right deck lift motor. Replace the right deck lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1150
Description: Left deck lift motor error (left deck of 3000-sheet paper feeder) • The left deck limit detection sensor is not turned on within 60,000 ms after the left deck is inserted and the sensor is not turned on within 1,000 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective left deck lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective left deck lift motor. Replace the left deck lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1160
Description: Paper feeder lift motor error (upper 500-sheet paper feeder) • The paper feeder limit detection sensor is not turned on within 10,000 ms after the cassette is inserted and the sensor is not turned on within 500 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder lift motor. Replace the paper feeder lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1170
Description: Paper feeder lift motor error (lower 500-sheet paper feeder) • The paper feeder limit detection sensor is not turned on within 10,000 ms after the cassette is inserted and the sensor is not turned on within 500 ms at the second time and after.
Causes: Defective bottom plate elevation mechanism. Defective paper feeder lift motor. Defective engine controller PWB.
Remedy: Defective bottom plate elevation mechanism. Check to see if the bottom plate can move smoothly and repair it if any problem is found. Defective paper feeder lift motor. Replace the paper feeder lift motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C1200
Description: Duplex side registration motor error • The duplex side registration home position sensor does not detect the home position of the side registration guide.
Causes: Defective duplex side registration home position sensor. Defective duplex side registration motor. Defective engine controller PWB.
Remedy: Defective duplex side registration home position sensor. Check the connection of connector YC29 on the engine controller PWB and the connector YC1 on the duplex PWB. Repair or replace if necessary. Defective duplex side registration motor. Replace the duplex side registration motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2101
Description: Developing K/fuser motor error • After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective developing K/fuser motor. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB and the connector of the developing K/fuser motor. Repair or replace if necessary. Defective developing K/fuser motor. Replace the developing K/fuser motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2102
Description: Developing MCY motor error • After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective developing MCY motor. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the engine controller PWB and the connector of the developing MCY motor. Repair or replace if necessary. Defective developing MCY motor. Replace the developing MCY motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2201
Description: Drum motor K error • After the motor drive ON signal is output and 3 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective drum motor K. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the engine controller PWB and the connector of the drum motor K. Repair or replace if necessary. Defective drum motor K. Replace the drum motor K. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2202
Description: Drum motor C error • After the motor drive ON signal is output and 3 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective drum motor C. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the engine controller PWB and the connector of the drum motor C. Repair or replace if necessary. Defective drum motor C. Replace the drum motor C. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2203
Description: Drum motor M error • After the motor drive ON signal is output and 3 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective drum motor M. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the engine controller PWB and the connector of the drum motor M. Repair or replace if necessary. Defective drum motor M. Replace the drum motor M. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2204
Description: Drum motor Y error • After the motor drive ON signal is output and 3 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective drum motor Y. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the engine controller PWB and the connector of the drum motor Y. Repair or replace if necessary. Defective drum motor Y. Replace the drum motor Y. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2500
Description: Paper feed motor error • After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s.
Causes: Poor contact in the connector terminals. Defective paper feed motor. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC23 on the engine controller PWB and YC1 on the clutch PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective paper feed motor. Replace the paper feed motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2600
Description: Paper feeder main motor error (optional 1500-sheet paper feeder/ 3000-sheet paper feeder) • After the motor drive ON signal is output and 2 s elapse, paper feed motor error communication data is transmitted continuously for 1 s.
Causes: Poor contact in the connector terminals. Defective paper feeder main motor. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC27 on the engine controller PWB. Repair or replace if necessary. Defective paper feeder main motor. Replace the paper feeder main motor. Defective engine controller PWB. Replace the engine controller PWB.

Code: C2700
Description: Transfer roller lift motor error • Even if 5,000 ms elapse after the transfer roller lift motor drive signal is turned on, the transfer lift home position sensor is not turned on. • Even if 5,000 ms elapse after the transfer roller lift motor drive ON signal is output, the transfer lift home position sensor is not turned off.
Causes: Poor contact in the connector terminals. Defective transfer lift home position sensor. Defective transfer roller lift motor. Misfeed in the conveying section or fuser section.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC4 on the engine controller PWB or connectors YC1 and YC2 on the transfer relay PWB for any problem, and repair them if any problem is found. Defective transfer lift home position sensor. Replace the transfer roller lift home position sensor. Defective transfer roller lift motor. Replace the transfer roller lift motor. Misfeed in the conveying section or fuser section. Remove the jammed paper completely.

Code: C2710
Description: Waste toner box motor error • After the motor drive remote signal is turned on, the overcurrent detection signal is detected continuously for more than 200 ms.
Causes: Overload on the waste toner box motor. Defective waster toner box motor.
Remedy: Overload on the waste toner box motor. Check to see if the waste toner in the waste toner box is solidified. If any problem is found, replace the waste toner box. Defective waster toner box motor. Replace the waster toner box motor.

Code: C3100
Description: Scanner carriage problem • The home position is not correct when the power is turned on or at the start of copying using the bypass table.
Causes: Defective scanner main PWB. Defective scanner home position switch. Defective scanner motor. Poor contact in the connector terminals. Defective mirror flame, exposure lamp or scanner wire.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation. Defective scanner home position switch. Replace the scanner home position switch. Defective scanner motor. Replace the scanner motor. Poor contact in the connector terminals. Check the connection of connector YC19 on the scanner main PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective mirror flame, exposure lamp or scanner wire. Check if the mirror flames and exposure lamp are on the rail. And check the scanner wire winds correctly.

Code: C3200
Description: Exposure lamp problem • Check the CCD input value for the lighting status of the exposure lamp 500 ms after the exposure lamp is lit and the carriage is moved to the shading position. If the exposure lamp does not light, a further 100 ms later, check the CCD input. The exposure lamp does not light after 50 retries.
Causes: Defective scanner main PWB. Defective exposure lamp or inverter PWB. Incorrect shading position. Poor contact of the connector terminals. Defective scanner sub PWB or CCD PWB.
Remedy: Defective scanner main PWB. Replace the scanner main PWB and check for correct operation. Defective exposure lamp or inverter PWB. Replace the exposure lamp or inverter PWB. Incorrect shading position. Adjust the position of the contact glass (shading plate). If the problem still occurs, replace the scanner home position switch. Poor contact of the connector terminals. Check the connection of connector YC19 on the scanner main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective scanner sub PWB or CCD PWB. Replace the scanner sub PWB or CCD PWB and check for correct operation.

Code: C5100
Description: Main high-voltage error • While the main high-voltage output remote signal is on, an alarm signal is detected continuously for 400 ms.
Causes: Leak of main high-voltage. Poor contact in the connector terminals.
Remedy: Leak of main highvoltage. Check the main charger unit and replace if necessary. Poor contact in the connector terminals. Check the connection of connector CH-1 on the main high voltage PWB, and the continuity across the connector terminals. Repair or replace if necessary.

Code: C5301
Description: Eraser lamp K break error • After the eraser lamp K ON signal is turned on, the eraser lamp K break signal is detected continuously for 200 ms.
Causes: Poor contact in the connector terminals. Defective eraser lamp K.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC9 on the engine controller PWB and the connector of the eraser lamp K, and the continuity across the connector terminals. Repair or replace if necessary. Defective eraser lamp K. Replace the black process unit.

Code: C5302
Description: Eraser lamp C break error • After the eraser lamp C ON signal is turned on, the eraser lamp C break signal is detected continuously for 200 ms.
Causes: Poor contact in the connector terminals. Defective eraser lamp C.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the engine controller PWB and the connector of the eraser lamp C, and the continuity across the connector terminals. Repair or replace if necessary. Defective eraser lamp C. Replace the cyan process unit.

Code: C5303
Description: Eraser lamp M break error • After the eraser lamp M ON signal is turned on, the eraser lamp M break signal is detected continuously for 200 ms.
Causes: Poor contact in the connector terminals. Defective eraser lamp M.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC11 on the engine controller PWB and the connector of the eraser lamp M, and the continuity across the connector terminals. Repair or replace if necessary. Defective eraser lamp M. Replace the magenta process unit.

Code: C5304
Description: Eraser lamp Y break error • After the eraser lamp Y ON signal is turned on, the eraser lamp Y break signal is detected continuously for 200 ms.
Causes: Poor contact in the connector terminals. Defective eraser lamp Y.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC12 on the engine controller PWB and the connector of the eraser lamp Y, and the continuity across the connector terminals. Repair or replace if necessary. Defective eraser lamp Y. Replace the yellow process unit.

Code: C6000
Description: Upper fuser heater lamp break • The time for increasing the temperature at the upper fuser heater lamp to 60 C/140 F during warm-up exceeds 100 s from the start of warm-up. Then, the time for increasing the temperature from 60 C/140 F to 120 C/248 F exceeds 100 s.
Causes: Installation defectiveness on upper fuser thermistor. Defective upper fuser thermostat. Defective engine controller PWB. Defective power supply PWB. Defective fuser PWB. Connected malfunction of electric wire on upper fuser thermistor or connected malfunction of connector terminal. Defective upper fuser heater lamp.
Remedy: Installation defectiveness on upper fuser thermistor. Check the mounting state of the upper fuser thermistor. If any problem is found, repair it. Defective upper fuser thermostat. Replace the upper fuser thermostat. Defective engine controller PWB. Replace the engine controller PWB. Defective power supply PWB. Replace the power supply PWB. Defective fuser PWB. Replace the fuser PWB. Connected malfunction of electric wire on upper fuser thermistor or connected malfunction of connector terminal. Check the cable of the upper fuser thermistor and the connection of the fuser PWB for any problem. If any problem is found, repair it. Defective upper fuser heater lamp. Replace the upper fuser heater lamp.

Code: C6020
Description: Upper fuser thermistor high-temperature detection error • The temperature at the upper fuser roller 205 C/401 F or more is detected continuously for 5 s.
Causes: Defective engine controller PWB. Defective fuser PWB. Defective power supply PWB. Installation defectiveness on upper fuser thermistor. Defective upper fuser thermistor.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective fuser PWB. Replace the fuser PWB. Defective power supply PWB. Replace the power supply PWB. Installation defectiveness on upper fuser thermistor. Check the mounting state of the upper fuser thermistor. If any problem is found, repair it. Defective upper fuser thermistor. Replace the upper fuser thermistor.

Code: C6030
Description: Upper fuser thermistor break error • After the fuser heater lamp is turned on, the temperature at the upper fuser roller lower than 40 C/104 F continues for 30 s.
Causes: Defective engine controller PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Defective harness between fuser PWB and fuser unit connectors. Defective harness between power supply PWB and fuser unit connectors. Defective fuser PWB. Defective power supply PWB. Installation defectiveness on upper fuser thermistor.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Check the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between fuser PWB and fuser unit connectors. Check the continuity of the harness and the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between power supply PWB and fuser unit connectors. Check the continuity of the harness and the connection of connector YC902 on the power supply PWB. Repair if necessary. Defective fuser PWB. Replace the fuser PWB. Defective power supply PWB. Replace the power supply PWB. Installation defectiveness on upper fuser thermistor. Check the mounting state of the upper fuser thermistor. If any problem is found, repair it.

Code: C6050
Description: Upper fuser thermistor abnormal temperature detection • During copying, the temperature at the upper fuser roller lower than 120 C/ 248 F is detected continuously for 5 s.
Causes: Installation defectiveness on upper fuser thermistor. Operation on upper fuser thermostat. Defective engine controller PWB. Defective power supply PWB. Defective fuser PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Defective upper fuser heater lamp. Defective harness between fuser unit connectors and upper fuser heater lamp. Defective harness between fuser unit connectors and power supply PWB.
Remedy: Installation defectiveness on upper fuser thermistor. Check the mounting state of the upper fuser thermistor. If any problem is found, repair it. Operation on upper fuser thermostat. Replace the upper fuser thermostat. Defective engine controller PWB. Replace the engine controller PWB. Defective power supply PWB. Replace the power supply PWB. Defective fuser PWB. Replace the fuser PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Check the insertion of connectors of the fuser PWB. Repair if necessary. Defective upper fuser heater lamp. Replace the upper fuser heater lamp. Defective harness between fuser unit connectors and upper fuser heater lamp. Check the continuity of the harness and the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between fuser unit connectors and power supply PWB. Check the continuity of the harness and the insertion of connectors of the power supply PWB. Repair if necessary.

Code: C6100
Description: Lower fuser heater lamp break • The time for increasing the temperature at the upper fuser heater lamp to 60 C/140 F during warm-up exceeds 100 s from the start of warm-up. Then, the time for increasing the temperature from 60 C/140 F to 120 C/218 F exceeds 100 s.
Causes: Installation defectiveness on lower fuser thermistor. Operation on lower fuser thermostat. Defective engine controller PWB. Defective power supply PWB. Defective fuser PWB. Defective harness of lower fuser thermistor, or poor contact of the connector terminals. Defective lower fuser heater lamp.
Remedy: Installation defectiveness on lower fuser thermistor. Check the mounting state of the lower fuser thermistor. If any problem is found, repair it. Operation on lower fuser thermostat. Replace the lower fuser thermostat. Defective engine controller PWB. Replace the engine controller PWB. Defective power supply PWB. Replace the power supply PWB. Defective fuser PWB. Replace the fuser PWB. Defective harness of lower fuser thermistor, or poor contact of the connector terminals. Check the continuity of the harness of the lower fuser thermistor and the insertion of connectors of the fuser PWB. Repair if necessary. Defective lower fuser heater lamp. Replace the lower fuser heater lamp.

Code: C6120
Description: Lower fuser thermistor detection error • The temperature at the lower fuser roller 205 C/401 F or more is detected continuously for 5 s.
Causes: Defective engine controller PWB. Defective fuser PWB. Defective power supply PWB. Installation defectiveness on lower fuser thermistor. Defective lower fuser thermistor.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective fuser PWB. Replace the fuser PWB. Defective power supply PWB. Replace the power supply PWB. Installation defectiveness on lower fuser thermistor. Check the mounting state of the lower fuser thermistor. If any problem is found, repair it. Defective lower fuser thermistor. Replace the lower fuser thermistor.

Code: C6130
Description: Lower fuser thermistor break error • After the fuser heater lamp is turned on, the temperature at the upper fuser roller lower than 40 C/104 F continues for 30 s
Causes: Defective engine controller PWB. Defective harness between fuser PWB and lower fuser thermistor, or poor contact of the connector terminals. Defective harness between fuser PWB and fuser unit connectors. Defective harness between power supply PWB and fuser unit connectors. Defective fuser PWB. Defective power supply PWB. Installation defectiveness on lower fuser thermistor.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective harness between fuser PWB and lower fuser thermistor, or poor contact of the connector terminals. Check the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between fuser PWB and fuser unit connectors. Check the continuity of the harness and the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between power supply PWB and fuser unit connectors. Check the continuity of the harness and the insertion of connectors of the power supply PWB. Repair if necessary. Defective fuser PWB. Replace the fuser PWB. Defective power supply PWB. Replace the power supply PWB. Installation defectiveness on lower fuser thermistor. Check the mounting state of the lower fuser thermistor. If any problem is found, repair it.

Code: C6150
Description: Lower fuser thermistor abnormal temperature detection • During copying, the temperature at the lower fuser roller lower than 100 C/ 212 F is detected continuously for 5 s.
Causes: Installation defectiveness on lower fuser thermistor. Operation on lower fuser thermostat. Defective engine controller PWB. Defective power supply PWB. Defective fuser PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Defective lower fuser heater lamp. Defective harness between fuser unit connectors and lower fuser heater lamp. Defective harness between fuser unit connectors and power supply PWB.
Remedy: Installation defectiveness on lower fuser thermistor. Check the mounting state of the lower fuser thermistor. If any problem is found, repair it. Operation on lower fuser thermostat. Replace the lower fuser thermostat. Defective engine controller PWB. Replace the engine controller PWB. Defective power supply PWB. Replace the power supply PWB. Defective fuser PWB. Replace the fuser PWB. Defective harness between fuser PWB and upper fuser thermistor, or poor contact of the connector terminals. Check the insertion of connectors of the fuser PWB. Repair if necessary. Defective lower fuser heater lamp. Replace the lower fuser heater lamp. Defective harness between fuser unit connectors and lower fuser heater lamp. Check the continuity of the harness and the insertion of connectors of the fuser PWB. Repair if necessary. Defective harness between fuser unit connectors and power supply PWB. Check the continuity of the harness and the insertion of connectors of the power supply PWB. Repair if necessary.

Code: C6400
Description: Zero-cross signal error • After power is turned on, the zero-cross signal is not input within 3 s. • While fuser heater ON/OFF control is performed, the zero-cross signal is not input within 5 s.
Causes: Defective engine controller PWB. Defective power supply PWB.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Defective power supply PWB. Replace the power supply PWB.

Code: C6410
Description: Fuser unit insertion error • Improper adaptation of the machine and the fuser unit is detected.
Causes: Fuser unit connector inserted incorrectly. Defective fuser unit connector.
Remedy: Fuser unit connector inserted incorrectly. Reinsert the fuser unit connector if necessary. Defective fuser unit connector. Replace the fuser unit.

Code: C6420
Description: Fuser fuse cut error (metric specifications only) • After a new fuser unit is installed and the fuse cut signal is turned on and then the fuse cut signal is turned off after 3,000 ms, the fuse cannot be cut.
Causes: Fuser unit is not conformed. Defective engine controller PWB.
Remedy: Fuser unit is not conformed. Check parts number of fuser unit and install correct unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7001
Description: Toner motor K error • After the toner motor K drive signal is turned on, the toner motor K overcurrent detection signal is detected continuously for 180 x 50 ms.
Causes: Defective toner motor K. Defective engine controller PWB.
Remedy: Defective toner motor K. Replace the toner motor K. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7002
Description: Toner motor C error • After the toner motor C drive signal is turned on, the toner motor C overcurrent detection signal is detected continuously for 180 x 50 ms.
Causes: Defective toner motor C. Defective engine controller PWB.
Remedy: Defective toner motor C. Replace the toner motor C. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7003
Description: Toner motor M error • After the toner motor M drive signal is turned on, the toner motor M overcurrent detection signal is detected continuously for 180 x 50 ms.
Causes: Defective toner motor M. Defective engine controller PWB.
Remedy: Defective toner motor M. Replace the toner motor M. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7004
Description: Toner motor Y error • After the toner motor Y drive signal is turned on, the toner motor Y overcurrent detection signal is detected continuously for 180 x 50 ms.
Causes: Defective toner motor Y. Defective engine controller PWB.
Remedy: Defective toner motor Y. Replace the toner motor Y. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7101
Description: Toner sensor K error • The value of input from toner sensor K is 4.5 V or more or 0.5 V or less.
Causes: Defective toner sensor K. Defective engine controller PWB.
Remedy: Defective toner sensor K. Replace the black process unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7102
Description: Toner sensor C error • The value of input from toner sensor C is 4.5 V or more or 0.5 V or less.
Causes: Defective toner sensor C. Defective engine controller PWB.
Remedy: Defective toner sensor C. Replace the cyan process unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7103
Description: Toner sensor M error • The value of input from toner sensor M is 4.5 V or more or 0.5 V or less.
Causes: Defective toner sensor M. Defective engine controller PWB.
Remedy: Defective toner sensor M. Replace the magenta process unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7104
Description: Toner sensor Y error • The value of input from toner sensor Y is 4.5 V or more or 0.5 V or less.
Causes: Defective toner sensor Y. Defective engine controller PWB.
Remedy: Defective toner sensor Y. Replace the yellow process unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7200
Description: Broken internal thermistor wire • The value of input from the internal thermistor 4.5 V or more is detected.
Causes: Poor contact in the connector terminals. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC39 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7210
Description: Short-circuited internal thermistor • The value of input from the internal thermistor 0.3 V or less is detected.
Causes: Poor contact in the connector terminals. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC39 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7301
Description: Toner hopper error (black process unit) • When black toner is replenished (simple replenishment), if the replenishment release level is not reached even if black toner is replenished for 3 s (1 s) with the black toner low level not detected, the state is regarded as a black toner container non-installing error. This error occurs four times.
Causes: Black toner container is not installed. Defective engine controller PWB.
Remedy: Black toner container is not installed. Check the state of the black toner container and install it properly. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7302
Description: Toner hopper error (cyan process unit) • When cyan toner is replenished (simple replenishment), if the replenishment release level is not reached even if cyan toner is replenished for 3 s (1 s) with the black toner low level not detected, the state is regarded as a cyan toner container non-installing error. This error occurs four times.
Causes: Cyan toner container is not installed. Defective engine controller PWB.
Remedy: Cyan toner container is not installed. Check the state of the cyan toner container and install it properly. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7303
Description: Toner hopper error (magenta process unit) • When magenta toner is replenished (simple replenishment), if the replenishment release level is not reached even if magenta toner is replenished for 3 s (1 s) with the magenta toner low level not detected, the state is regarded as a magenta toner container non-installing error. This error occurs four times.
Causes: Magenta toner container is not installed. Defective engine controller PWB.
Remedy: Magenta toner container is not installed. Check the state of the magenta toner container and install it properly. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7304
Description: Toner hopper error (yellow process unit) • When yellow toner is replenished (simple replenishment), if the replenishment release level is not reached even if yellow toner is replenished for 3 s (1 s) with the yellow toner low level not detected, the state is regarded as a yellow toner container non-installing error. This error occurs four times.
Causes: Yellow toner container is not installed. Defective engine controller PWB.
Remedy: Yellow toner container is not installed. Check the state of the yellow toner container and install it properly. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7420
Description: Transfer belt unit insertion error (metric specifications only) • Improper adaptation of the copier and the transfer belt unit is detected.
Causes: Transfer belt unit connector inserted incorrectly. Defective transfer belt unit connector.
Remedy: Transfer belt unit connector inserted incorrectly. Reinsert the transfer belt unit connector if necessary. Defective transfer belt unit connector. Replace the transfer belt unit.

Code: C7600
Description: Toner ID sensor problem • The sampling input of toner ID sensor 1 and toner ID sensor 2 without patch exceeds the threshold respectively.
Causes: Defective toner ID sensor 1 or 2. Defective engine controller PWB.
Remedy: Defective toner ID sensor 1 or 2. Replace the transfer unit. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7610
Description: Image density measurement timing problem • The measured value of density patch is abnormal.
Causes: Faulty density due to a mechanical cause.
Remedy: Faulty density due to a mechanical cause. Check the drum unit, high voltage unit, developing unit, and transfer unit. If any problem is found, replace the unit.

Code: C7620
Description: Color registration timing error • The number of PG lines for registration correction 32 is not detected properly.
Causes: Defective engine controller PWB. Faulty density due to a mechanical cause.
Remedy: Defective engine controller PWB. Replace the engine controller PWB. Faulty density due to a mechanical cause. Check the drum unit, high voltage unit, developing unit, and transfer unit. If any problem is found, replace the unit.

Code: C7800
Description: Broken external thermistor wire • The thermistor output value is 4.5 V or more.
Causes: Poor contact in the connector terminals. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB.

Code: C7810
Description: Short-circuited external thermistor • The thermistor input value is 0.5 V or less.
Causes: Poor contact in the connector terminals. Defective engine controller PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the engine controller PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective engine controller PWB. Replace the engine controller PWB.

Code: C8010
Description: Document finisher paper conveying motor problem • The LOCK signal of the paper conveying motor is detected for more than 500 ms while the paper conveying motor is operating. However, the first 1 s after the paper conveying motor is turned on is excluded from detection.
Causes: Loose connection of the paper conveying motor connector. Defective paper conveying motor. Defective finisher main PWB.
Remedy: Loose connection of the paper conveying motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective paper conveying motor. Replace the paper conveying motor and check for correct operation. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8020
Description: Document finisher punch motor problem • The LOCK signal of the punch motor is detected for more than 500 ms while the punch motor is operating. However, the first 1 s after the punch motor is turned on is excluded from detection.
Causes: Loose connection of the punch motor connector. Defective punch motor. Defective finisher main PWB.
Remedy: Loose connection of the punch motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective punch motor. Replace the punch motor and check for correct operation. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8030
Description: Document finisher upper paper conveying belt problem • During initialization, the intermediate tray upper sliding plate is not detected in the home position within 3 s after the belt returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem reoccurs after initialization when the front cover is opened and closed, the problem is in the upper paper conveying belt. • When the intermediate tray upper sliding plate is operated from the home position, the upper paper conveying belt home position sensor does not turn off within 1 s.
Causes: Phase shift of the upper paper conveying belt. Malfunction of the upper paper conveying belt motor. Malfunction of the upper paper conveying belt home position sensor. Loose connection of the upper paper conveying belt home position sensor connector. Incorrect insertion of the intermediate tray. Defective finisher main PWB.
Remedy: Phase shift of the upper paper conveying belt. Correct the phase of the upper paper conveying belt and check for correct operation. Malfunction of the upper paper conveying belt motor. Replace the upper paper conveying belt motor and check for correct operation. Malfunction of the upper paper conveying belt home position sensor. Replace the upper paper conveying belt home position sensor and check for correct operation. Loose connection of the upper paper conveying belt home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Incorrect insertion of the intermediate tray. Check whether the intermediate tray catches are damaged. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8040
Description: Document finisher lower paper conveying belt problem • During initialization, the intermediate tray lower sliding plate is not detected in the home position within 3 s after the belt returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem reoccurs after initialization when the front cover is opened and closed, the problem is in the lower paper conveying belt. • When the intermediate tray lower sliding plate is operated from the home position, the lower paper conveying belt home position sensor does not turn off within 1 s.
Causes: Phase shift of the lower paper conveying belt. Malfunction of the lower paper conveying belt motor. Malfunction of the lower paper conveying belt home position sensor. Loose connection of the lower paper conveying belt home position sensor connector. Incorrect insertion of the intermediate tray. Defective finisher main PWB.
Remedy: Phase shift of the lower paper conveying belt. Correct the phase of the lower paper conveying belt and check for correct operation. Malfunction of the lower paper conveying belt motor. Replace the lower paper conveying belt motor and check for correct operation. Malfunction of the lower paper conveying belt home position sensor. Replace the lower paper conveying belt home position sensor and check for correct operation. Loose connection of the lower paper conveying belt home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Incorrect insertion of the intermediate tray. Check whether the intermediate tray catches are damaged. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8140
Description: Document finisher main tray problem • When the main tray is not detected by the main tray upper limit detection sensor or the main tray load detection sensor within 20 s from the moment it starts ascending. • During main tray descent, the main tray upper limit detection sensor or the main tray load detection sensor does not turn off within 500 ms after it turns on. • During main tray ascent, the main tray upper limit detection sensor or the main tray load detection sensor stays on for more than 2 s.
Causes: Loose connection of the main tray elevation motor connector. Malfunction of the main tray elevation motor. Malfunction of the main tray upper limit detection sensor. Loose connection of the main tray upper limit detection sensor connector. Malfunction of the main tray load detection sensor. Loose connection of the main tray load detection sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the main tray elevation motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the main tray elevation motor. Replace the main tray elevation motor and check for correct operation. Malfunction of the main tray upper limit detection sensor. Replace the main tray upper limit detection sensor and check for correct operation. Loose connection of the main tray upper limit detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the main tray load detection sensor. Replace the main tray load detection sensor and check for correct operation. Loose connection of the main tray load detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8150
Description: Document finisher multi job tray problem • When the multi job tray is not detected by the multi job tray upper limit detection sensor within 15 s from the moment it starts ascending. • During multi job tray descent, the multi job tray upper limit detection sensor does not turn off within 500 ms after it turns on.
Causes: Loose connection of the multi job tray elevation motor connector. Malfunction of the multi job tray elevation motor. Malfunction of the multi job tray upper limit detection sensor. Loose connection of the multi job tray upper limit detection sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the multi job tray elevation motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the multi job tray elevation motor. Replace the multi job tray elevation motor and check for correct operation. Malfunction of the multi job tray upper limit detection sensor. Replace the multi job tray upper limit detection sensor and check for correct operation. Loose connection of the multi job tray upper limit detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8170
Description: Document finisher front upper side-registration guide problem • During initialization, the front upper side-registration guide is not detected in the home position within 1.5 s after the guide returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front upper side-registration guide. • When the front upper side-registration guide is operated from the home position, the front upper side-registration home position sensor does not turn off within 500 ms.
Causes: Loose connection of the front upper side-registration guide motor connector. Malfunction of the front upper side-registration guide motor. Malfunction of the front upper side-registration guide home position sensor. Loose connection of the front upper side-registration guide home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the front upper side-registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front upper sideregistration guide motor. Replace the front upper side-registration guide motor and check for correct operation. Malfunction of the front upper sideregistration guide home position sensor. Replace the front upper side-registration guide home position sensor and check for correct operation. Loose connection of the front upper side-registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8180
Description: Document finisher rear upper side-registration guide problem • During initialization, the rear upper side-registration guide is not detected in the home position within 1.5 s after the guide returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the rear upper side-registration guide. • When the rear upper side-registration guide is operated from the home position, the rear upper side-registration home position sensor does not turn off within 500 ms.
Causes: Loose connection of the rear upper side-registration guide motor connector. Malfunction of the rear upper side-registration guide motor. Malfunction of the rear upper side-registration guide home position sensor. Loose connection of the rear upper side-registration guide home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the rear upper side-registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear upper sideregistration guide motor. Replace the rear upper side-registration guide motor and check for correct operation. Malfunction of the rear upper sideregistration guide home position sensor. Replace the rear upper side-registration guide home position sensor and check for correct operation. Loose connection of the rear upper side-registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8190
Description: Document finisher lower side-registration guide problem • During initialization, the front/rear lower side-registration guides are not detected in the home position within 1.5 s after the guide returns to the home position.JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the lower side-registration guide. • When the lower side-registration guide is operated from the home position, the lower side-registration home position sensor does not turn off within 500 ms.
Causes: Loose connection of the lower side-registration guide motor connector. Malfunction of the lower side-registration guide motor. Malfunction of the lower side-registration guide home position sensor. Loose connection of the lower side-registration guide home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the lower sideregistration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the lower side-registration guide motor. Replace the lower side-registration guide motor and check for correct operation. Malfunction of the lower side-registration guide home position sensor. Replace the lower side-registration guide home position sensor and check for correct operation. Loose connection of the lower sideregistration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8210
Description: Document finisher front stapler problem • During initialization, the front stapler is not detected in the home position within 500 ms after the front stapler returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front stapler. • When the front stapler is operated from the home position, the front stapler home position sensor does not turn off within 500 ms.
Causes: Loose connection of the front stapler motor connector. Malfunction of the front stapler motor. Malfunction of the front stapler home position sensor. Loose connection of the front stapler home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the front stapler motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front stapler motor. Replace the front stapler motor and check for correct operation. Malfunction of the front stapler home position sensor. Replace the front stapler home position sensor and check for correct operation. Loose connection of the front stapler home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8220
Description: Document finisher front clincher problem • During initialization, the front clincher is not detected in the home position within 500 ms after the front clincher returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front clincher. • When the front clincher is operated from the home position, the front clincher home position sensor does not turn off within 500 ms.
Causes: Loose connection of the front clincher motor connector. Malfunction of the front clincher motor. Malfunction of the front clincher home position sensor. Loose connection of the front clincher home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the front clincher motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front clincher motor. Replace the front clincher motor and check for correct operation. Malfunction of the front clincher home position sensor. Replace the front clincher home position sensor and check for correct operation. Loose connection of the front clincher home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8230
Description: Document finisher rear stapler problem • During initialization, the rear stapler is not detected in the home position within 500 ms after the rear stapler returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the rear stapler. • When the rear stapler is operated from the home position, the rear stapler home position sensor does not turn off within 500 ms.
Causes: Loose connection of the rear stapler motor connector. Malfunction of the rear stapler motor. Malfunction of the rear stapler home position sensor. Loose connection of the rear stapler home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the rear stapler motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear stapler motor. Replace the rear stapler motor and check for correct operation. Malfunction of the rear stapler home position sensor. Replace the rear stapler home position sensor and check for correct operation. Loose connection of the rear stapler home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8240
Description: Document finisher rear clincher problem • During initialization, the rear clincher is not detected in the home position within 500 ms after the rear clincher returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the rear clincher. • When the rear clincher is operated from the home position, the rear clincher home position sensor does not turn off within 500 ms.
Causes: Loose connection of the rear clincher motor connector. Malfunction of the rear clincher motor. Malfunction of the rear clincher home position sensor. Loose connection of the rear clincher home position sensor connector. Defective finisher main PWB.
Remedy: Loose connection of the rear clincher motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear clincher motor. Replace the rear clincher motor and check for correct operation. Malfunction of the rear clincher home position sensor. Replace the rear clincher home position sensor and check for correct operation. Loose connection of the rear clincher home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8300
Description: Document finisher centerfold unit communication problem • Communication with the centerfold unit is not possible although the connection is detected.
Causes: Loose connection of the centerfold unit set switch connector. Defective centerfold unit set switch. Defective centerfold unit main PWB. Defective finisher main PWB.
Remedy: Loose connection of the centerfold unit set switch connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit set switch. Replace the centerfold unit set switch and check for correct operation. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

Code: C8310
Description: Document finisher centerfold unit side-registration guide problem • During initialization, the front/rear side-registration guides are not detected in the home position within 600 ms after the guide returns to the home position. • When the side-registration guide is operated from the home position, the side-registration guide home position sensor does not turn off within 100 ms.
Causes: Loose connection of the side-registration guide motor connector. Malfunction of the side-registration guide motor. Malfunction of the side-registration guide home position sensor. Loose connection of the side-registration guide home position sensor connector. Defective centerfold unit main PWB.
Remedy: Loose connection of the side-registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the side-registration guide motor. Replace the side-registration guide motor and check for correct operation. Malfunction of the side-registration guide home position sensor. Replace the side-registration guide home position sensor and check for correct operation. Loose connection of the side-registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

Code: C8320
Description: Document finisher centerfold unit centering plate problem • During initialization, the centering plate is not detected in the home position when the centering plate returns to the home position.
Causes: Loose connection of the centering plate motor connector. Malfunction of the centering plate motor. Malfunction of the centering plate home position sensor. Loose connection of the centering plate home position sensor connector. Defective centerfold unit main PWB.
Remedy: Loose connection of the centering plate motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the centering plate motor. Replace the centering plate motor and check for correct operation. Malfunction of the centering plate home position sensor. Replace the centering plate home position sensor and check for correct operation. Loose connection of the centering plate home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

Code: C8330
Description: Document finisher centerfold blade problem • During initialization, the centerfold blade is not detected in the home position within a specified period of time.
Causes: Loose connection of the centerfold blade motor connector. Malfunction of the centerfold blade motor. Malfunction of the centerfold blade home position sensor. Loose connection of the centerfold blade home position sensor connector. Defective centerfold unit main PWB.
Remedy: Loose connection of the centerfold blade motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the centerfold blade motor. Replace the centerfold blade motor and check for correct operation. Malfunction of the centerfold blade home position sensor. Replace the centerfold blade home position sensor and check for correct operation. Loose connection of the centerfold blade home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

Code: C9500
Description: Scanner sub PWB problem
Causes:
Remedy: Check the connection of the connector of the scanner sub PWB. Replace the scanner sub PWB or the scanner main PWB one by one.

Code: C9510
Description: Scanner sub PWB problem
Causes:
Remedy: Check the connection of the connector of the scanner sub PWB. Replace the scanner sub PWB or the scanner main PWB one by one.

Code: C9520
Description: Scanner sub PWB problem
Causes:
Remedy: Check the connection of the connector of the scanner sub PWB. Replace the scanner sub PWB or the scanner main PWB one by one.

Code: C9530 … C9550
Description: Contact the Service Administrative Division.
Causes:
Remedy: Contact the Service Administrative Division.

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