• 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.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF drive motor. Defective PF drive motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF 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.

• 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.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF drive motor. Defective PF drive motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF 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.

• 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.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF drive motor. Defective PF drive motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF 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.

• Code: 4000
• Description: Polygon motor synchronization error
  The polygon motor is not stabilized within 20 s after driving starts.
• Causes: Defective connector cable or poor contact in the connector. Defective polygon motor. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. 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.
• Causes: Defective connector cable or poor contact in the connector. Defective PD PWB. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PD PWB and engine PWB (YC16)
  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 iA. When the current values in the chager voltage 500V constitute not less than 85% of target current values.
• Causes: Defective connector cable or poor contact in the connector. Defective high voltage PWB. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Chager unit and high voltage PWB High voltage PWB and engine PWB (YC16)
  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
  (60/50/45 ppm model) 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. (40 ppm model) The detection temperature of fuser thermistor 1 is 100 °C/ 212°F or less after the fuser heater lamp has been turned on continuously for 30 s.
• Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective triac. Fuser thermostat triggered. Broken fuser heater wire. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser heater and power source PWB (YC2) Fuser thermistor and Fuser thermistor connect PWB Fuser thermistor connect PWB and engine PWB (YC21)
  Fuser thermostat triggered. 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 (60/50/45 ppm model only)
  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.
• Causes: Deformed connector pin. Defective triac. Shorted fuser thermistor. Defective engine PWB.
• Remedy: Shorted fuser thermistor. Replace the fuser unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.