• Code: C8460
• Description: EEPROM problem (optional document finisher)
  Reading from or writing to EEPROM cannot be performed.
• Causes: Defective EEPROM or finisher main PWB.
• Remedy: Replace the finisher main PWB and check for correct operation.

• Code: C8800
• Description: Document finisher communication error (optional 3000-sheet document finisher)
  A communication error from document finisher is detected 10 times in succession
• Causes: Poor contact in the connector terminals.
  Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector on the engine PWB and the connector on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective PWB. Replace the finisher main PWB or engine PWB and check for correct operation.

• Code: C9000
• Description: Optional DP communication problem
  A communication error is detected.
• Causes: Poor contact in the connector terminals.
  Defective DP main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC7 and YC8 on the scanner PWB and the connector of the DP, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective DP main PWB. Replace the DP main PWB and check for correct operation.

• Code: C9060
• Description: DP EEPROM error (optional DP)
  Read and write data does not match. Data in the specified area of the backup memory does not match the specified values. Data in the specified area of the backup memory does not match the specified values.
• Causes: Defective DP main PWB.
  Device damage of EEPROM.
• Remedy: Defective DP main PWB. Replace the DP main PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: C9500, C9510, C9520
• Description: Contact the Service Administrative Division.
• Causes:
• Remedy: Contact the Service Administrative Division.

• Code: F000
• Description: Operation panel PWB communication error
• Causes: Defective main PWB.
  Defective operation panel PWB.
• Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
  Defective operation panel PWB. Replace the operation panel PWB and check for correct operation.

• Code: F040
• Description: Engine PWB communication error
• Causes: Defective main PWB.
  Defective engine PWB.
• Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: F041
• Description: Scanner PWB communication error
• Causes: Defective main PWB.
  Defective scanner PWB.
• Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
  Defective scanner PWB. Replace the scanner PWB and check for correct operation.