• Code: 867
• Description: SD card access error 1
  After the program saved in the SD card starts running, the SD card is removed from the slot.
• Causes: • SD card removed

• Code: 868
• Description: SD card access error 2
  Incorrect data is detected in the SD card.
• Causes: • SD card defective • SD controller defective

• Code: 870
• Description: Address Book Data Error
  Address book data stored on the hard disk was detected as abnormal when it was accessed from either the operation panel or the network.
• Causes: • Software defective

• Code: 871
• Description: FCU Flash ROM Error
  The address book written into the flash ROM mounted on the FCU is detected as defective.
• Causes: • Flash ROM device defective • Replace flash ROM on the MBU

• Code: 900
• Description: Electrical total counter error
  The electrical total counter does not work properly.
• Causes: • NVRAM on the GW controller board defective

• Code: 901
• Description: Mechanical total counter
  The mechanical total counter does not work properly.
• Causes: • Mechanical total counter defective • BICU defective • Disconnected mechanical total counter

• Code: 903
• Description: Engine total counter error
  The checksum of the total counter is not correct.
• Causes: • NVRAM on the BICU defective

• Code: 920
• Description: Printer error
  A fatal error is detected in the printer application program
• Causes: • Printer application program defective • Hardware configuration incorrect (including memory shortage)