• Code: D3A0, D3A2
• Description: Counter error
  A write error occurs in the counter area.
• Causes: MFP board (MFPB)
• Remedy: 1 Check the MFPB for its mounting condition and correct any faulty condition. - - 2 Replace MFPB - - 3 If the same trouble code persists after the abovementioned procedures, the EEPROM is probably damaged.

• Code: D3F1
• Description: Successful completion of counter backup
  The counter backup process is completed successfully.
• Causes:
• Remedy: 1 This code is displayed when the counter backup process is completed successfully. When this code is displayed, turn OFF/ON the power switch and then perform the given steps. G.4.3.2 MFP board (MFPB)

• Code: D3F4
• Description: Abnormal end of counter backup
  The counter backup process results in an abnormal end due to a write error or other reasons.
• Causes: MFP board (MFPB)
• Remedy: 1 Reboot the main body. - - 2 Check the MFPB connector for proper connection and correct as necessary. - - 3 Change MFPB. - - 4 After taking the above actions, if the counter backup process results in the same trouble code again, the EEPROM can be broken. In this case, the counter backup is unavailable.

• Code: D501
• Description: FLASH error
  The SSD board (SSDB) develops a fault.
• Causes: • MFP board (MFPB) • SSD board (SSDB)
• Remedy: 1 Check the SSD for its mounting condition and correct any faulty condition. - - 2 Replace MFPB

• Code: DC00
• Description: EEPROM fault 1
  Printer control board (PRCB)
• Causes: Printer control board (PRCB)
• Remedy: 1 Check the connectors on the PRCB for proper connection and correct any faulty connection as necessary. - - 2 Replace PRCB

• Code: DC10
• Description: EEPROM fault 2
• Causes: Printer control board (PRCB)
• Remedy: 1 Check the connectors on the PRCB for proper connection and correct any faulty connection as necessary. - - 2 Replace PRCB