• Code: 2200
• Description: Drum motor steady-state error
  The drum motor ready input is not given for 2 s during the drum motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the drum motor. Defective drum 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, remedy or replace the cable. Drum motor and engine PWB (YC11)
  Defective drive transmission system of the drum 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 drum motor. Replace the drum motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 3100
• Description: ISU home position error
  The home position is not correct when the power is turned on or at the start of copying using the table.
• Causes: Defective connector cable or poor contact in the connector. Defective home position sensor. Defective ISU motor. Defective CCD PWB. Defective 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, remedy or replace the cable. Home position sensor and CCD PWB (YC3) CCD PWB (YC2) and main PWB (YC8) ISU motor and main PWB (YC1004)
  Defective home position sensor. Replace the home position sensor.
  Defective ISU motor. Replace the ISU motor.
  Defective CCD PWB. Replace the scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 3200
• Description: Exposure lamp error
  When input value at the time of exposure lamp illumination does not exceed the threshold value between 5 s.
• Causes: Defective connector cable or poor contact in the connector. Defective exposure lamp or inverter PWB. Defective CCD PWB. Defective 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, remedy or replace the cable. Exposure lamp and inverter PWB (YC102) Inverter PWB (YC101) and CCD PWB (YC3) CCD PWB (YC2) and main PWB (YC8)
  Defective exposure lamp or inverter PWB. Replace the scanner unit.
  Defective CCD PWB. Replace the scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 3300
• Description: AGC error
  After AGC, correct input is not obtained at CCD.
• Causes: Defective connector cable or poor contact in the connector. Defective exposure lamp or inverter PWB. Defective CCD PWB. Defective 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, remedy or replace the cable. Inverter PWB (YC101) and CCD PWB (YC3) CCD PWB (YC2) and main PWB (YC8)
  Defective exposure lamp or inverter PWB. Replace the scanner unit.
  Defective CCD PWB. Replace the scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 3500
• Description: Communication error between scanner and ASIC
  An error code is detected.
• Causes: Defective connector cable or poor contact in the connector. Defective CCD PWB. Defective 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, remedy or replace the cable. CCD PWB (YC2) and main PWB (YC8)
  Defective CCD PWB. Replace the scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 4000
• Description: Polygon motor synchronization error
  The polygon motor ready input is not given for 10 s during the polygon motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective polygon motor. Defective 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, remedy or replace the cable. Laser scanner unit and main PWB (YC14)
  Defective polygon motor. Replace the laser scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 4200
• Description: BD steady-state error
• Causes: Defective connector cable or poor contact in the connector. Defective laser scanner unit. Defective 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, remedy or replace the cable. Laser scanner unit and main PWB (YC16)
  Defective laser scanner unit. Replace the laser scanner unit.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 4700
• Description: VIDEO ASIC device error
  Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
• Causes: Defective connector cable or poor contact in the connector. Defective main PWB or 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. Main PWB (YC13) and engine PWB (YC12)
  Defective main PWB or engine PWB. Replace the main PWB or the engine PWB and check for correct operation.