• Code: 669
• Description: EEPROM communication error. Retry of EEPROM communication fails three times after the machine has detected the EEPROM error.
• Causes: • Caused by noise • Defective EEPR

• Code: 681
• Description: Device ID is not identified. (D158/D159) Retry of ID tag communication fails three times after the machine has detected the ID tag error.
• Causes: • Caused by noise • Defective controller board

• Code: 687
• Description: Memory address command error (D158/D159)
  From among the I/F commands with the controller, the image transfer available report (for each command) cannot be received.
• Causes: • Caused by noise • Defective controller board

• Code: 692
• Description: Controller board communication abnormal (D160/D161/D170)
  Communication error between the printer part of the controller board and BICU.
• Causes: • The connector is abnormal between the controller board and the BICU board.

• Code: 694
• Description: Controller board communication abnormal (D160/D161/D170)
  Communication error between the scanner part of the controller board and BICU.
• Causes: • The connector is abnormal between the controller board and the BICU board.

• Code: 701-03
• Description: Paper feed motor driver error (ARDF) (D158/D159)
• Causes:

• Code: 701-08
• Description: Paper exit motor driver error (ARDF) (D158/D159
  )Error signal from the motor driver
• Causes: • Loose connection • Defective encoder • Motor overload • Worn-out motor

• Code: 702-01
• Description: Protected element block error 1 (ARDF) (D158/D159)
  Protected element block is detected.
• Causes: • Defective motor • Defective solenoid • Harness shorted