Fixing Kyocera FSC5200DN Printer Error Codes in details

Fixing Kyocera FSC5200DN Printer Error Codes in details

– Printer model: Kyocera FSC5200DN
– Fix Error codes on Kyocera FSC5200DN model and its description:

• Code: 0130
• Description: Backup memory (EEPROM) read/write error [Main PWB]
  Reading from / writing to EEPROM (U4) cannot be performed.
• Causes: Defective EEPROM (U4).
• Remedy: Defective EEPROM (U4). Replace the main PWB.
  Defective main PWB. Replace the main PWB.

• Code: 0140
• Description: Backup memory (EEPROM) data error [Main PWB]
  Data read from EEPROM (U4) is judged abnormal.
• Causes: Defective EEPROM (U4). Defective engine PWB.
• Remedy: Defective EEPROM (U4). Replace the main PWB.
  Defective engine PWB. Replace the engine PWB.

• Code: 0150
• Description: Engine PWB (EEPROM) error
  Data read from EEPROM (U4) is judged abnormal.
• Causes: Improper installation EEPROM (U4). Defective engine PWB.
• Remedy: Improper installation EEPROM (U4). Check the installation of the EEPROM (U4) and remedy if necessary.
  Defective engine PWB. Replace the engine PWB.

• Code: 0420
• Description: Paper feeder communication error
  Communication error between engine PWB and optional paper feeder.
• Causes: Improper installation paper feeder. Defective harness between PF main PWB (YC3, YC5) and paper feeder interface connector, or improper connector insertion. Defective PF main PWB. Defective harness between engine PWB (YC33) and paper feeder interface connector, or improper connector insertion. Defective engine PWB.
• 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.
• Causes: Improper installation expanded memory (DIMM).
• 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.
• Causes: Defective expanded memory (DIMM). Defective main PWB.WB.
• Remedy: Defective expanded memory (DIMM). Replace the expanded memory (DIMM).
  Defective main PWB. Replace the main PWB.

• Code: 0930
• Description: I2C bus error
• Causes: Defective main PWB.
• Remedy: Defective main PWB. Replace the main PWB.

• Code: 1010
• Description: Lift motor error
  The main motor ready input is not given for 5 s during the main motor is ON.
• Causes: Defective bottom plate elevation mechanism in the cassette. Defective drive transmission system of the lift motor. Defective lift motor. Defective engine PWB.
• Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
  Defective 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 for 2 ms 150 times or detected continuously for 300 ms. After the PF lift motor is driven, the ON status of PF lift limit sensor cannot be detected for 10 s. 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 five times successively. 1020: Paper feeder 1 1030: Paper feeder 2 1040: Paper feeder 3
• Causes: Defective harness between PF lift motor and PF main PWB (YC7), or improper connector insertion. Defective bottom plate elevation mechanism in the cassette. Defective drive transmission system of the PF lift motor. Defective PF lift motor. Defective PF lift limit sensor. Defective PF cassette size switch. Defective PF main PWB. Defective engine PWB.
• 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
• Causes: The inlet of upper blower assembly is blocked by paper pieces or the like. Defective harness between PF warm air fan motor 2 and PF main PWB (YC11), or improper connector insertion. Shorted PF thermistor 2. Defective PF warm air fan motor 2. Defective PF main PWB. Defective engine PWB.
• 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
• Causes: The inlet of side blower assembly is blocked by paper pieces or the like. Defective harness between PF warm air fan motor 1 and PF main PWB (YC11), or improper connector insertion. Shorted PF thermistor 1. Defective PF warm air fan motor 1. Defective PF main PWB. Defective engine PWB.
• 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
• Causes: Defective harness between PF warm air heater 2 and PF warm air heater driver PWB (YC2), or improper connector insertion. Defective harness between PF warm air heater driver PWB (YC3) and PF main PWB (YC13), or improper connector insertion. Defective harness between PF thermistor 2 and PF main PWB (YC12), or improper connector insertion. PF thermistor 2 installed incorrectly. Defective PF thermistor 2. PF thermal cutout 2 triggered. Broken PF warm air heater 2. Defective PF warm air heater driver PWB. Defective PF main PWB. Defective engine PWB.
• 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
• Causes: Defective harness between PF warm air heater 1 and PF warm air heater driver PWB (YC1), or improper connector insertion. Defective harness between PF warm air heater driver PWB (YC3) and PF main PWB (YC13), or improper connector insertion. Defective harness between PF thermistor 2 and PF main PWB (YC12), or improper connector insertion. PF thermistor 1 installed incorrectly. Defective PF thermistor 1. PF thermostat 1 triggered. Broken PF warm air heater 1. Defective PF warm air heater driver PWB. Defective PF main PWB. Defective engine PWB.
• 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 five seconds after the developing motor MCY turns on.
• Causes: Defective harness between developing motor MCY and engine PWB (YC27), or improper connector insertion. Defective drive transmission system of the developing motor MCY. Defective developing motor MCY. Defective engine PWB.
• 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 (Refer to the service manual for the paper feeder).
  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
  A main charger cleaning motor over-current signal is detected for 5 seconds in total while the main charger cleaning motor is ON.
• Causes: Defective harness between main charger cleaning motor and engine PWB (YC36), or improper connector insertion. MCY. Defective drive transmission system of the main charger cleaning motor.C36), Defective main charger cleaning motor. Defective engine PWB.
• 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 main motor ready input is not given for 5 s during the main motor is ON.
• Causes: Defective harness between paper feed motor and engine PWB (YC3/ YC4), or improper connector insertion. Defective drive transmission system of the paper feed motor. Defective paper feed motor. Defective engine PWB.
• Remedy: Defective harness between paper feed motor and engine PWB (YC3/ YC4), 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 5 s during the PF paper feed motor is ON. 2610: Paper feeder 1 2620: Paper feeder 2 2630: Paper feeder 3
• Causes: Defective harness between PF paper feed motor and PF main PWB (YC6), or improper connector insertion. Defective PF paper feed motor drive transmission system. Defective PF main motor.or MCY. Defective PF main PWB.r.or MCY. Defective printer’s engine PWB.
• 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.
  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.
• Causes: Defective harness between developing motor K and engine PWB (YC26), or improper connector insertion. Defective drive transmission system of the developing motor K. Defective developing motor K. Defective engine PWB.
• 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.
  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 s during the polygon motor YK is ON.я
• Causes: Defective harness between polygon motor YK and engine PWB (YC29), or improper connector insertion. Defective laser scanner unit YK. Defective engine PWB.
• 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 s during the polygon motor MC is ON. PWB.
• Causes: Defective harness between polygon motor MC and engine PWB (YC30), or improper connector insertion. Defective laser scanner unit MC. Defective engine PWB.
• 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.
• Causes: Defective harness between APC PWB K and engine PWB (YC29), or improper connector insertion. Defective APC PWB K. Defective PD PWB K. Defective engine PWB.
• 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.

• 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.
• Causes: Defective harness between APC PWB C and engine PWB (YC30), or improper connector insertion. Defective APC PWB C. Defective engine PWB.
• 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.
• Causes: Defective harness between APC PWB M and engine PWB (YC30), or improper connector insertion. Defective APC PWB M. Defective PD PWB M. Defective engine PWB.
• 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.
• Causes: Defective harness between APC PWB Y and engine PWB (YC29), or improper connector insertion. Defective APC PWB Y. Defective PD PWB Y. Defective engine PWB.
• 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.

– Kyocera FSC5200DN printer Error Codes and quick guide to troubleshooting:

• Code: 4600
• Description: LSU cleaning motor error
  A LSU cleaning motor over-current signal is detected for 5 seconds in total while the LSU cleaning motor is ON.
• Causes: Defective harness between LSU cleaning motor and engine PWB (YC37), or improper connector insertion. Defective drive transmission system of the LSU cleaning motor. Defective LSU cleaning motor. Defective engine PWB.
• 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 (Main PWB)
  Data read from EEPROM is judged abnormal.
• Causes: Defective main PWB.
• Remedy: Defective main PWB. Replace the main PWB.

• Code: 5301
• Description: Broken eraser lamp K wire
  A disconnection detection signal for eraser lamp K is detected for one second while eraser lamp K is ON.is ON.
• Causes: Defective harness between drum unit K and drum relay PWB (YC2/YC3), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective eraser lamp K. Defective engine PWB.
• 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
  A disconnection detection signal for eraser lamp C is detected for one second while eraser lamp C is ON.is ON.
• Causes: Defective harness between drum unit C and drum relay PWB (YC8/YC9), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective eraser lamp C. Defective engine PWB.
• 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
  A disconnection detection signal for eraser lamp M is detected for one second while eraser lamp M is ON.is ON.
• Causes: Defective harness between drum unit M and drum relay PWB (YC11/ YC12), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective eraser lamp M. Defective engine PWB.
• 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
  A disconnection detection signal for eraser lamp Y is detected for one second while eraser lamp Y is ON.is ON.
• Causes: Defective harness between drum unit Y and drum relay PWB (YC5/YC6), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective eraser lamp Y. Defective engine PWB.
• 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 1°C/1.8°F after the fuser heater lamp has been turned on continuously for 5 seconds in warming up. The fuser temperature does not reach 100°C/212°F after the fuser heater lamp has been turned on continuously for 30 seconds in warming up. The temperature does not rise 1°C/1.8°F after the fuser heater lamp has been turned on continuously 5 s.
• Causes: Defective harness between fuser thermistor and paper exit PWB (YC4), or improper connector insertion. Defective harness between paper exit PWB (YC1) and engine PWB (YC20), or improper connector insertion. Fuser thermistor installed incorrectly. Fuser thermal cutout triggered. Fuser heater lamp installed incorrectly. Broken fuser heater lamp wire. Defective engine PWB.
• 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 fuser thermistor temperature
  The fuser thermistor detects a temperature higher than 220°C/428°F for 10 seconds. The fuser thermistor detects a temperature higher than 240°C/464°F for 1 second.
• Causes: Shorted fuser thermistor. wire. Defective engine PWB.
• 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 0 (A/D value).
• Causes: Defective harness between fuser thermistor and paper exit PWB (YC4), or improper connector insertion. Defective harness between paper exit PWB (YC1) and engine PWB (YC20), or improper connector insertion. Broken fuser thermistor wire. Fuser thermistor installed incorrectly. Fuser thermal cutout triggered. Fuser heater lamp installed incorrectly. Broken fuser heater lamp wire. Defective engine PWB.
• 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.
• Causes: Defective harness between power source PWB (YC103) and engine PWB (YC19), or improper connector insertion. Defective power source PWB. Defective engine PWB.
• 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
  Over-current at toner motor K is detected for 80 ms in total while toner motor K is ON.
• Causes: Defective harness between toner motor K and engine PWB (YC22), or improper connector insertion. Defective drive transmission system of the toner motor K. Defective toner motor K. Defective engine PWB.
• 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
  Over-current at toner motor C is detected for 80 ms in total while toner motor C is ON.
• Causes: Defective harness between toner motor C and engine PWB (YC24), or improper connector insertion. Defective drive transmission system of the toner motor C. Defective toner motor C. Defective engine PWB.
• 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
  Over-current at toner motor M is detected for 80 ms in total while toner motor M is ON.
• Causes: Defective harness between toner motor M and engine PWB (YC25), or improper connector insertion. Defective drive transmission system of the toner motor M. Defective toner motor M. Defective engine PWB.
• 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
  Over-current at toner motor Y is detected for 80 ms in total while toner motor Y is ON.
• Causes: Defective harness between toner motor Y and engine PWB (YC23), or improper connector insertion. Defective drive transmission system of the toner motor Y. Defective toner motor Y. Defective engine PWB.
• 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.
• Causes: Defective harness between developing unit K and drum relay PWB (YC4), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective toner sensor K. Defective engine PWB.
• Remedy: Defective harness between developing unit K and drum relay 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 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.
• Causes: Defective harness between developing unit C and drum relay PWB (YC10), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective toner sensor C. Defective engine PWB.
• Remedy: Defective harness between developing unit C and drum relay PWB (YC10), 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 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.
• Causes: Defective harness between developing unit M and drum relay PWB (YC13), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective toner sensor M. Defective engine PWB.
• Remedy: Defective harness between developing unit M and drum relay PWB (YC13), 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 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.
• Causes: Defective harness between developing unit Y and drum relay PWB (YC7), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Defective toner sensor Y. Defective engine PWB.
• Remedy: Defective harness between developing unit Y and drum relay PWB (YC7), 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 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. Incompatible drum unit K is installed.
• Causes: Defective harness between drum unit K and drum relay PWB (YC2/YC3), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Installation of incompatible drum unit K. Defective drum PWB K. Defective engine PWB.
• 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.
  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.
• Causes: Defective harness between drum unit C and drum relay PWB (YC8/YC9), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Installation of incompatible drum unit C. Defective drum PWB C. Defective engine PWB.
• 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.
  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.
• Causes: Defective harness between drum unit M and drum relay PWB (YC11/ YC12), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Installation of incompatible drum unit M. Defective drum PWB M. Defective engine PWB.
• 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.
  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.
• Causes: Defective harness between drum unit Y and drum relay PWB (YC5/YC6), or improper connector insertion. Defective harness between drum relay PWB (YC1) and engine PWB (YC34), or improper connector insertion. Installation of incompatible drum unit Y. Defective drum PWB Y. Defective engine PWB.
• 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.
  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: 7601
• Description: Left ID sensor error
  The detected signal of left ID sensor is abnormal.
• Causes: Defective harness between left ID sensor and engine PWB (YC5), or improper connector insertiontion. Defective left ID sensor. Defective engine PWB.
• Remedy: Defective harness between left ID sensor and engine PWB (YC5), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective left ID sensor. Replace the left ID sensor.
  Defective engine PWB. Replace the engine PWB.

• Code: 7602
• Description: Right ID sensor error
  The detected signal of right ID sensor is abnormal.
• Causes: Defective harness between right ID sensor and engine PWB (YC6), or improper connector insertion. Defective right ID sensor. Defective engine PWB.
• Remedy: Defective harness between right ID sensor and engine PWB (YC6), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective right ID sensor. Replace the right ID sensor.
  Defective engine PWB. Replace the engine PWB.

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

• Code: F020
• Description: Main memory or expanded memory checksum error
• Causes: Defective main memory (RAM) on the main PWB. Defective expansion memory module.
• 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
• Causes: Defective main PWB.
• 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
• Causes: Defective harness between engine PWB (YC31) and main PWB (YC6), or improper connector insertion. Defective main PWB. Defective engine PWB.
• Remedy: Defective harness between engine PWB (YC31) and 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.
  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
• Causes: Some error may have occurred when downloading the firmware of the engine PWB. Defective engine PWB.
• 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: F226
• Description: Main PWB video data control error
• Causes: Defective main PWB.
• 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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