• Code: 0100
• Description: Backup memory device error
• Causes: Defective flash memory. Defective control PWB.
• Remedy: Defective flash memory. Replace the control PWB.
  Defective control PWB. Replace the control PWB.

• Code: 0120
• Description: MAC address data error
• Causes: Defective flash memory.
• Remedy: Defective flash memory. Replace the control PWB.

• Code: 0130
• Description: Backup memory read/write error
• Causes: Defective flash memory. Defective control PWB.
• Remedy: Defective flash memory. Replace the control PWB.
  Defective control PWB. Replace the control PWB.

• Code: 0140
• Description: Backup memory data error
• Causes: Defective flash memory. Defective control PWB.
• Remedy: Defective flash memory. Replace the control PWB.
  Defective control PWB. Replace the control PWB.

• Code: 0150
• Description: Control PWB EEPROM error Detecting control PWB EEPROM (U17) communication error.
• Causes: Improper installation control PWB EEPROM (U17). Defective control PWB. Data damage of control PWB EEPROM (U17).
• Remedy: Improper installation control PWB EEPROM (U17). Check the installation of the EEPROM (U17) and remedy if necessary.
  Defective control PWB. Replace the control PWB.
  Data damage of control PWB EEPROM (U17). Contact the Service Administrative Division.

• Code: 0170
• Description: Billing counting error
• Causes: Defective control PWB. Data damage of control PWB EEPROM (U17).
• Remedy: Defective control PWB. Replace the control PWB.
  Data damage of control PWB EEPROM (U17). Contact the Service Administrative Division.

• Code: 0180
• Description: Machine number mismatch Machine number of main and engine does not match.
• Causes: Data damage of control PWB EEPROM (U17).
• Remedy: Data damage of control PWB EEPROM (U17). Contact the Service Administrative Division.

• Code: 0420
• Description: Paper feeder communication error Communication error between control PWB and optional paper feeder.
• Causes: Improper installation paper feeder. Defective harness between control PWB (YC30) and paper feeder interface connector, or improper connector insertion. Defective control PWB Defective harness between PF main PWB (YC5) and paper feeder interface connector, or improper connector insertion. Defective PF main-PWB.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  Defective harness between control PWB (YC30) and paper feeder interface connector, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness.
  Defective control PWB. Replace the control PWB.
  Defective harness between PF main PWB (YC5) and paper feeder interface connector, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness (Refer to the service manual for the paper feeder).
  Defective PF main- PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).