Fixing Kyocera ECOSYS P6030cdn Printer Error Codes in details

Fixing Kyocera ECOSYS P6030cdn Printer Error Codes in details

– Printer model: Kyocera ECOSYS P6030cdn
– Fix Error codes on Kyocera ECOSYS P6030cdn model and its description:

• Code: 0100
• Description: Backup memory read/write error
• Remedy: Defective main PWB. Replace the main PWB .

• Code: 0110
• Description: Backup memory data error
• Remedy: Defective mDefective main PWB. Replace the main PWB .ain PWB. Replace the main PWB .

• Code: 0120
• Description: MAC address data error For data in which the MAC address is invalid.
• Remedy: Defective main PWB. Replace the main PWB .

• Code: 0150
• Description: Engine PWB (EEPROM) error Data read from EEPROM is judged abnormal.
• Remedy: Improper installation EEPROM. Replace the engine PWB.
  Defective engine PWB. Replace the engine PWB.

• Code: 0170
• Description: Billing counting error
• Remedy: Defective main PWB. Replace the main PWB.

• Code: 0420
• Description: Paper feeder communication error Communication error between engine PWB and optional paper feeder.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  Defective harness between PF main PWB (YC3, YC5) and paper feeder interface connector, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (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).
  Defective harness between engine PWB (YC33) and paper feeder interface connector, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective engine PWB. Replace the engine PWB.

• Code: 0600
• Description: Expanded memory (DIMM) installing error The expansion memory modules (DIMM) are not correctly mounted.
• Remedy: Improper installation expanded memory (DIMM). Check the installation of the expanded memory (DIMM) and remedy if necessary.

• Code: 0610
• Description: Expanded memory (DIMM) error The expansion memory modules (DIMM) mounted on the main PWB does not operate correctly.
• Remedy: Defective expanded memory (DIMM). Replace the expanded memory (DIMM).
  Defective main PWB. Replace the main PWB.

• Code: 0640
• Description: SSD error
• Remedy: Defective SSD. Replace the SSD.
  Defective main PWB. Replace the main PWB.

• Code: 0930
• Description: I2C bus error
• Remedy: Defective RFID. Replace the RFID.
  Defective drum PWB (EEPROM). Replace the drum unit.
  Defective engine PWB (EEPROM). Replace the engine PWB (EEPROM).
  Defective main PWB. Replace the main PWB.
  Defective engine PWB. Replace the engine PWB.

• Code: 1010
• Description: Lift motor error When the lift motor is driven, the lift motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals. After the lift motor is driven, the ON status of lift limit sensor cannot be detected for 8 seconds. The cassette installed confirmation message is displayed on the printer operation panel, and even if the cassette is opened and closed, the cassette installed confirmation message is displayed 5 times successively.
• 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 drive transmission system of the lift motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective lift motor. Replace the lift motor.
  Defective engine PWB. Replace the engine PWB.

• Code: 1020, 1030, 1040
• Description: PF lift motor error (Option paper feeder) When the PF lift motor is driven, the PF lift motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals. After the PF lift motor is driven, the ON status of PF lift limit sensor cannot be detected for 8 seconds. The cassette installed confirmation message is displayed on the printer operation panel, and even if the cassette is opened and closed, the cassette installed confirmation message is displayed 5 times successively. 1020: Paper feeder 1 1030: Paper feeder 2 1040: Paper feeder 3
• Remedy: Defective harness between PF lift motor and PF main PWB (YC7), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  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.(Refer to the service manual for the paper feeder).
  Defective drive transmission system of the PF lift motor. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.(Refer to the service manual for the paper feeder).
  Defective PF lift motor. Replace the PF lift motor. (Refer to the service manual for the paper feeder).
  Defective PF lift limit sensor. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  Defective PF cassette size switch. Replace the PF cassette size switch.(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).
  Defective engine PWB. Replace the engine PWB.

• Code: 1500, 1520, 1540
• Description: PF warm air heater (upper blower) high temperature error* (Option paper feeder) A temperature higher than 85°C/185°F is detected. *: Multi purpose feeder only 1500: Paper feeder 1 1520: Paper feeder 2 1540: Paper feeder 3
• Remedy: The inlet of upper blower assembly is blocked by paper pieces or the like. Check visually and remove it, if any (Refer to the service manual for the paper feeder).
  Defective harness between PF warm air fan motor 2 and PF main PWB (YC11), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Shorted PF thermistor 2. Replace the PF thermistor 2 (Refer to the service manual for the paper feeder).
  Defective PF warm air fan motor 2. Replace the PF warm air fan motor 2 (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).
  Defective engine PWB. Replace the engine PWB.

• Code: 1510, 1530, 1550
• Description: PF warm air heater (side blower) high temperature error* (Option paper feeder) A temperature higher than 85°C/185°F is detected. *: Multi purpose feeder only 1510: Paper feeder 1 1530: Paper feeder 2 1550: Paper feeder 3
• Remedy: The inlet of side blower assembly is blocked by paper pieces or the like. Check visually and remove it, if any (Refer to the service manual for the paper feeder).
  Defective harness between PF warm air fan motor 1 and PF main PWB (YC11), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Shorted PF thermistor 1. Replace the PF thermistor 1. (Refer to the service manual for the paper feeder).
  Defective PF warm air fan motor 1. Replace the PF warm air fan motor 1 (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).
  Defective engine PWB. Replace the engine PWB.

• Code: 1600, 1620, 1640
• Description: PF warm air heater (upper blower) low temperature error* (Option paper feeder) An external temperature higher than +5°C/+41°F is not detected when one minute elapses after PF warm air heater 2 is turned on. *: Multi purpose feeder only 1600: Paper feeder 1 1620: Paper feeder 2 1640: Paper feeder 3
• Remedy: Defective harness between PF warm air heater 2 and PF warm air heater driver PWB (YC2), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Defective harness between PF warm air heater driver PWB (YC3) and PF main PWB (YC13), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Defective harness between PF thermistor 2 and PF main PWB (YC12), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  PF thermistor 2 installed incorrectly. Check the installation of the PF thermistor 2 and remedy if necessary (Refer to the service manual for the paper feeder).
  Defective PF thermistor 2. Replace the PF thermistor 2 (Refer to the service manual for the paper feeder).
  PF thermal cutout 2 triggered. Replace the PF thermal cutout 2 (Refer to the service manual for the paper feeder).
  Broken PF warm air heater 2. Replace the PF warm air heater 2 (Refer to the service manual for the paper feeder).
  Defective PF warm air heater driver PWB. Replace the PF warm air driver 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).
  Defective engine PWB. Replace the engine PWB.

• Code: 1610, 1630, 1650
• Description: PF warm air heater (side blower) error* (Option paper feeder) An external temperature higher than +5°C/+41°F is not detected when one minute elapses after PF warm air heater 2 is turned on. *: Multi purpose feeder only 1610: Paper feeder 1 1630: Paper feeder 2 1650: Paper feeder 3
• Remedy: Defective harness between PF warm air heater 1 and PF warm air heater driver PWB (YC1), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Defective harness between PF warm air heater driver PWB (YC3) and PF main PWB (YC13), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.(Refer to the service manual for the paper feeder).
  Defective harness between PF thermistor 2 and PF main PWB (YC12), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  PF thermistor 1 installed incorrectly. Check the installation of the PF thermistor 1 and remedy if necessary (Refer to the service manual for the paper feeder).
  Defective PF thermistor 1. Replace the PF thermistor 1 (Refer to the service manual for the paper feeder).
  PF thermostat 1 triggered. Replace the PF thermostat 1 (Refer to the service manual for the paper feeder).
  Broken PF warm air heater 1. Replace the PF warm air heater 1 (Refer to the service manual for the paper feeder).
  Defective PF warm air heater driver PWB. Replace the PF warm air driver 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).
  Defective engine PWB. Replace the engine PWB.

• Code: 2102
• Description: Developing motor MCY error The ready signal cannot be detected within 5 seconds after the developing motor MCY turns on.
• Remedy: Defective harness between developing motor MCY and engine PWB (YC27), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the developing motor MCY. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective developing motor MCY. Replace the developing motor MCY.
  Defective engine PWB. Replace the engine PWB.

• Code: 2250
• Description: Main charger cleaning motor error When the main charger cleaning motor is driven, the main charger cleaning motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between main charger cleaning motor and engine PWB (YC36), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the main charger cleaning motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective main charger cleaning motor. Replace the main charger cleaning motor.
  Defective engine PWB. Replace the engine PWB.

• Code: 2500
• Description: Paper feed motor error The paper feed motor ready input is not given for 5 seconds during the main motor is ON.
• Remedy: Defective harness between paper feed motor and engine PWB (YC3), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings 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.

• Code: 2610, 2620, 2630
• Description: PF paper feed motor error (Option paper feeder) The PF paper feed motor of paper feeder 1 ready input is not given for 2 seconds during the PF paper feed motor is ON. 2610: Paper feeder 1 2620: Paper feeder 2 2630: Paper feeder 3
• Remedy: Defective harness between PF paper feed motor and PF main PWB (YC6), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. (Refer to the service manual for the paper feeder).
  Defective PF paper feed motor drive transmission system. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any. (Refer to the service manual for the paper feeder).
  Defective PF main motor. Replace the PF main motor.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  Defective printer’s engine PWB. Replace the printer’s engine PWB (Refer to the service manual for the printer).

• Code: 2830
• Description: Developing motor K error The ready signal cannot be detected within 5 seconds after the developing motor K turns on.
• Remedy: Defective harness between developing motor K and engine PWB (YC26), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness (Refer to the service manual for the paper feeder).
  Defective drive transmission system of the developing motor K. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Improper installation intermediate transfer unit. Check the installation of the intermediate transfer unit and reinstall them if necessary.
  Defective developing motor K. Replace the developing motor K.
  Defective engine PWB. Replace the engine PWB.

• Code: 4001
• Description: Polygon motor YK error The polygon motor YK ready input is not given for 10 seconds during the polygon motor YK is ON.
• Remedy: Defective harness between polygon motor YK and engine PWB (YC29), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective laser scanner unit YK. Replace the laser scanner unit YK.
  Defective engine PWB. Replace the engine PWB.

• Code: 4002
• Description: Polygon motor MC error The polygon motor MC ready input is not given for 10 seconds during the polygon motor MC is ON.
• Remedy: Defective harness between polygon motor MC and engine PWB (YC30), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective laser scanner unit MC. Replace the laser scanner unit MC.
  Defective engine PWB. Replace the engine PWB.

• Code: 4201
• Description: Laser output error (Black) The pin photo signal (PDN) is not output from PD PWB K for one second while laser is emitted.
• Remedy: Defective harness between APC PWB K and engine PWB (YC29), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective APC PWB K. Replace the laser scanner unit YK.
  Defective PD PWB K. Replace the laser scanner unit YK.
  Defective engine PWB. Replace the engine PWB.

– Kyocera ECOSYS P6030cdn printer Error Codes and quick guide to troubleshooting:

• Code: 4202
• Description: Laser output error (Cyan) The pin photo signal (PDN) is not output from PD PWB C for one second while laser is emitted.
• Remedy: Defective harness between APC PWB C and engine PWB (YC30), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective APC PWB C. Replace the laser scanner unit MC.
  Defective PD PWB C. Replace the laser scanner unit MC.
  Defective engine PWB. Replace the engine PWB.

• Code: 4203
• Description: Laser output error (Magenta) The pin photo signal (PDN) is not output from PD PWB M for one second while laser is emitted.
• Remedy: Defective harness between APC PWB M and engine PWB (YC30), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective APC PWB M. Replace the laser scanner unit MC.
  Defective PD PWB M. Replace the laser scanner unit MC.
  Defective engine PWB. Replace the engine PWB.

• Code: 4204
• Description: Laser output error (Yellow) The pin photo signal (PDN) is not output from PD PWB Y for one second while laser is emitted.
• Remedy: Defective harness between APC PWB Y and engine PWB (YC29), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective APC PWB Y. Replace the laser scanner unit YK.
  Defective PD PWB Y. Replace the laser scanner unit YK.
  Defective engine PWB. Replace the engine PWB.

• Code: 4600
• Description: LSU cleaning motor error When the LSU cleaning motor is driven, the LSU cleaning motor over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between LSU cleaning motor and engine PWB (YC37), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the LSU cleaning motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings 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.

• Code: 4700
• Description: VIDEO ASIC device error
• Remedy: Faulty connection of the connector between the main PWB and engine PWB. Check the installation of the main PWB and engine PWB and reinstall them if necessary.
  Defective main PWB. Replace the main PWB.
  Defective engine PWB. Replace the engine PWB.

• Code: 5301
• Description: Broken eraser lamp K wire When the eraser lamp K is driven, the eraser lamp K over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
• Remedy: Defective harness between drum unit K and drum relay PWB (YC2/YC3), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective eraser lamp K. Replace the drum unit K..
  Defective engine PWB. Replace the engine PWB.

• Code: 5302
• Description: Broken eraser lamp C wire When the eraser lamp C is driven, the eraser lamp C over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
• Remedy: Defective harness between drum unit C and drum relay PWB (YC8/YC9), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective eraser lamp C. Replace the drum unit C.
  Defective engine PWB. Replace the engine PWB.

• Code: 5303
• Description: Broken eraser lamp M wire When the eraser lamp M is driven, the eraser lamp M over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
• Remedy: Defective harness between drum unit M and drum relay PWB (YC11/ YC12), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective eraser lamp M. Replace the drum unit M.
  Defective engine PWB. Replace the engine PWB.

• Code: 5304
• Description: Broken eraser lamp Y wire When the eraser lamp Y is driven, the eraser lamp Y over-current detection signal is detected continuously for 10 times (1 s) at 100 ms intervals.
• Remedy: Defective harness between drum unit Y and drum relay PWB (YC5/YC6), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective eraser lamp Y. Replace the drum unit Y.
  Defective engine PWB. Replace the engine PWB.

• Code: 6000
• Description: Broken fuser heater lamp wire The detected fuser thermistor temperature does not rise 1C/1.8F after the fuser heater lamp has been turned on continuously for 10 seconds in warming up. The fuser temperature does not reach 100C/212F after the fuser heater lamp has been turned on continuously for 40 seconds in warming up. The detected temperature of fuser thermistor does not reach the specified temperature (ready indication temperature) after fuser heater lamp has been turned on continuously for 90 seconds in warming up. The detected temperature of fuser thermistor 2 does not rise 1C/1.8F after fuser heater lamp has been turned on continuously for 10 seconds during printing.
• Remedy: Defective harness between fuser thermistor and paper exit PWB (YC4), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between paper exit PWB (YC1) and engine PWB (YC20), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Fuser thermistor installed incorrectly. Replace the fuser unit.
  Fuser thermal cutout triggered. Replace the fuser unit.
  Fuser heater lamp installed incorrectly. Replace the fuser unit.
  Broken fuser heater lamp wire. Replace the fuser unit.
  Defective engine PWB. Replace the engine PWB.

• Code: 6020
• Description: Abnormally high temperature fuser heater lamp The fuser thermistor detects a temperature higher than 240C/464F. By the activation of the high temperature error detection circuit (230C/446F or more) of fuser thermistor, the illumination of fuser heater lamp was forcibly turned off and 10 seconds has elapsed.
• Remedy: Shorted fuser thermistor. Replace the fuser unit.
  Defective engine PWB. Replace the engine PWB.

• Code: 6030
• Description: Broken fuser thermistor wire Input from fuser thermistor is 3 or less (A/D value) continuously for 1.1 second (11 ms X 100 times).
• Remedy: Defective harness between fuser thermistor and paper exit PWB (YC4), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective harness between paper exit PWB (YC1) and engine PWB (YC20), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Broken fuser thermistor wire. Replace the fuser unit.
  Fuser thermistor installed incorrectly. Replace the fuser unit.
  Fuser thermal cutout triggered. Replace the fuser unit.
  Fuser heater lamp installed incorrectly. Replace the fuser unit.
  Broken fuser heater lamp wire. Replace the fuser unit.
  Defective engine PWB. Replace the engine PWB.

• Code: 6400
• Description: Zero cross signal error The zero cross signal does not reach the engine PWB for specified time.
• Remedy: Defective harness between power source PWB (YC103) and engine PWB (YC19), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective power source PWB. Replace the power source PWB.
  Defective engine PWB. Replace the engine PWB.

• Code: 7001
• Description: Toner motor K error When the toner motor K is driven, the toner motor K over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between toner motor K and engine PWB (YC22), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the toner motor K. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective toner motor K. Replace the toner motor K.
  Defective engine PWB. Replace the engine PWB.

• Code: 7002
• Description: Toner motor C error When the toner motor C is driven, the toner motor C over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between toner motor C and engine PWB (YC24), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the toner motor C. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective toner motor C. Replace the toner motor C.
  Defective engine PWB. Replace the engine PWB.

• Code: 7003
• Description: Toner motor M error When the toner motor M is driven, the toner motor M over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between toner motor M and engine PWB (YC25), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the toner motor M. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective toner motor M. Replace the toner motor M.
  Defective engine PWB. Replace the engine PWB.

• Code: 7004
• Description: Toner motor Y error When the toner motor Y is driven, the toner motor Y over-current detection signal is detected continuously for 50 times (5 s) at 100 ms intervals.
• Remedy: Defective harness between toner motor Y and engine PWB (YC23), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective drive transmission system of the toner motor Y. Check if the gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective toner motor Y. Replace the toner motor Y.
  Defective engine PWB. Replace the engine PWB.

• Code: 7401
• Description: Developing unit K non-installing error No density detection signal is output from toner sensor K in developing unit K.
• Remedy: Faulty connection of the connector between the developing PWB K and drum relay PWB. Check the installation of the developing unit K and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective toner sensor K. Replace the developing unit K.
  Defective engine PWB. Replace the engine PWB.

• Code: 7402
• Description: Developing unit C non-installing error No density detection signal is output from toner sensor C in developing unit C.
• Remedy: Faulty connection of the connector between the developing PWB C and drum relay PWB. Check the installation of the developing unit C and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective toner sensor C. Replace the developing unit C.
  Defective engine PWB. Replace the engine PWB.

• Code: 7403
• Description: Developing unit M non-installing error No density detection signal is output from toner sensor M in developing unit M.
• Remedy: Faulty connection of the connector between the developing PWB M and drum relay PWB. Check the installation of the developing unit M and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective toner sensor M. Replace the developing unit M.
  Defective engine PWB. Replace the engine PWB.

• Code: 7404
• Description: Developing unit Y non-installing error No density detection signal is output from toner sensor Y in developing unit Y.
• Remedy: Faulty connection of the connector between the developing PWB Y and drum relay PWB. Check the installation of the developing unit Y and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective toner sensor Y. Replace the developing unit Y.
  Defective engine PWB. Replace the engine PWB.

• Code: 7411
• Description: Drum unit K non-installing error The EEPROM of drum PWB K does not communicate normally.
• Remedy: Faulty connection of the connector between the drum PWB K and drum relay PWB. Check the installation of the drum unit K and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Installation of incompatible drum unit K. Install drum unit K compatible with the specifications to the printer.
  Defective drum PWB K. Replace the drum unit Y.
  Defective engine PWB. Replace the engine PWB.

• Code: 7412
• Description: Drum unit C non-installing error The EEPROM of drum PWB C does not communicate normally. Incompatible drum unit C is installed.
• Remedy: Faulty connection of the connector between the drum PWB C and drum relay PWB. Check the installation of the drum unit C and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Installation of incompatible drum unit C. Install drum unit C compatible with the specifications to the printer.
  Defective drum PWB C. Replace the drum unit C.
  Defective engine PWB. Replace the engine PWB.

• Code: 7413
• Description: Drum unit M non-installing error The EEPROM of drum PWB M does not communicate normally. Incompatible drum unit M is installed.
• Remedy: Faulty connection of the connector between the drum PWB M and drum relay PWB. Check the installation of the drum unit M and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Installation of incompatible drum unit M. Install drum unit M compatible with the specifications to the printer.
  Defective drum PWB M. Replace the drum unit M.
  Defective engine PWB. Replace the engine PWB.

• Code: 7414
• Description: Drum unit Y non-installing error The EEPROM of drum PWB Y does not communicate normally. Incompatible drum unit Y is installed.
• Remedy: Faulty connection of the connector between the drum PWB Y and drum relay PWB. Check the installation of the drum unit Y and drum relay PWB and reinstall them if necessary.
  Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Installation of incompatible drum unit Y. Install drum unit Y compatible with the specifications to the printer.
  Defective drum PWB Y. Replace the drum unit Y.
  Defective engine PWB. Replace the engine PWB.

• Code: 9530
• Description: Backup data error The serial number of the machine written on the EEPROM of the engine PWB differs with that is written on both the flash memory of the engine PWB and the EEPROM of the drum PWB as a backup.
• Remedy: Replacing both the engine PWB and the drum unit at the same time. Check that the machine operates properly by reverting the engine controller and the drum unit to the old ones. To replace the engine PWB and the drum unit at the same time, turn on the printer after replacing either one. Check that the printer operates properly and then turn off the printer. Replace the other and turn on the printer to check that the printer operates properly. Be sure to replace one by one.

• Code: F000
• Description: Main PWB – Operation panel PWB communication error
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective operation panel PWB. Replace the operation panel PWB.

• Code: F010
• Description: Main PWB checksum error
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. In recovery mode, download the controller firmware using a SD card. In recovery mode, only a SD card is usable, not a USB memory.
  Replace main PWB.

• Code: F020
• Description: Main memory or expanded memory checksum error
• Remedy: Defective main memory (RAM) on the main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective expansion memory module. Replace the expansion memory module.

• Code: F030
• Description: Main PWB general failure
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.

• Code: F040
• Description: Main PWB – Engine PWB communication error
• Remedy: Faulty connection of the connector between the main PWB and engine PWB. Check the installation of the main PWB and engine PWB and reinstall them if necessary.
  Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.
  Defective engine PWB. Replace engine PWB.

• Code: F050
• Description: Engine PWB ROM checksum error
• Remedy: Some error may have occurred when downloading the firmware of the engine PWB. Download the firmware of the engine PWB again using the memory card.
  Defective engine PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace engine PWB.

• Code: F186
• Description: Main PWB video data control error
• Remedy: Defective main PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace main PWB.

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