• Code: 766
• Description: Clamp roller retraction motor
  The clamp roller retraction motor in the 1000-sheet booklet finisher is not operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Motor harness loose, broken • Motor drive obstructed • Motor defective

• Code: 791
• Description: Bridge unit error
  The machine can communicate with the finisher but not the bridge unit.
• Causes: • Poor connection between the finisher and mainframe • Bridge unit harness damaged or defective • Bridge unit defective

• Code: 792
• Description: Finisher unit error
  The machine cannot communicate with the bridge unit but not the finisher.
• Causes: • Poor connection between the finisher and mainframe • Finisher harness damaged or defective • Finisher unit defective

• Code: 816
• Description: Energy saver I/O sub system error
  Energy saver sub system is not operating correctly.
• Causes: • Controller board defective

• Code: 819
• Description: Fatal kernel error
  Due to a control error, a RAM overflow occurred during system processing.
• Causes: • Controller board defective • Insufficient memory • Expanded memory defective

• Code: 839
• Description: USB flash error
  This is a self-diagnostic error. The device ID of the on-board USB flash ROM was not recognized.
• Causes: • Replace the controller board

• Code: 851
• Description: IEEE 1394 I/F Abnormal
  IEEE1394 interface error.
• Causes: • IEEE1394 interface board defective • Controller board defective

• Code: 853
• Description: Wireless LAN board error 1
  At startup the wireless LAN board could be accessed, but the wireless LAN board (IEEE 802.11b or Bluetooth) could not access the controller board.
• Causes: • Wireless LAN board not installed when the machine was turned on