• Code: 2610
• Description: PF drive motor 2 error (paper feeder 2) When the PF drive motor is driven, error signal is detected continuously for 2 s.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF drive motor 2 and PF main PWB (YC6)
  Defective drive transmission system of the PF drive motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF drive motor. Replace the PF drive motor 2.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2620
• Description: PF drive motor 3 error (paper feeder 3) When the PF drive motor is driven, error signal is detected continuously for 2 s.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF drive motor 3 and PF main PWB (YC6)
  Defective drive transmission system of the PF drive motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF drive motor. Replace the PF drive motor 3.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2630
• Description: PF drive motor 4 error (paper feeder 4) When the PF drive motor is driven, error signal is detected continuously for 2 s.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF drive motor 4 and PF main PWB (YC6)
  Defective drive transmission system of the PF drive motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF drive motor. Replace the PF drive motor 4.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 4000
• Description: Polygon motor synchronization error The polygon motor is not stabilized within 20 s after driving starts.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor and engine PWB (YC15)
  Defective polygon motor. Replace the laser scanner unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 4200
• Description: BD steady-state error When the value of Register BDSET is 1 after setting Register BDSET as one and passing by BD1 cycle.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. APC PWB(YC1) and engine PWB (YC16) APC PWB(YC2) and PD PWB(YC1)
  Defective PD PWB. Replace the laser scanner unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 5100
• Description: Chager current error When the current value measured at the time of potential adjustment is less than 20 uA.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Chager unit and high voltage PWB High voltage PWB (YC101) and engine PWB (YC19)
  Defective high voltage PWB. Replace the high voltage PWB and check for correct operation.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 6000
• Description: Broken fuser heater wire The detection temperature of fuser thermistor 2 is 100 °C/ 212°F or less after the fuser heater lamp has been turned on continuously for 30 s.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser heater and power source PWB (YC2) Fuser thermistor and Fuser thermistor connect PWB(YC1 and YC2) Fuser thermistor connect PWB(YC3) and engine PWB (YC21)
  Deformed connector pin.
  Defective triac.
  Fuser thermostat triggered. Reinsert the fuser unit.
  Broken fuser heater wire. Reinsert the fuser unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 6020
• Description: Abnormally high fuser thermistor 2 temperature The detection temperature of fuser thermistor 2 is higher than 235°C/455°F. In a heater-off state, the detection temperature of fuser thermistor 2 is higher than 195°C/383°F after the detection temperature of fuser thermistor 2 was 155°C/311°F or less.
• Remedy: Deformed connector pin.
  Defective triac.
  Shorted fuser thermistor. Replace the fuser unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.