• Code: A0410
• Description: Document processor communication problem Communication fails five times succes-sively.
• Causes: Document processor installed incorrectly.
  Defective PWB
• Remedy: Document processor installed incorrectly. Check the installation state of the document processor and adjust it if it is not properly installed.
  Defective PWB. Replace the main/engine PWB or DP driver PWB and check for correct operation.

• Code: A0420
• Description: First paper feeder communication problem
  Communication fails five times successively.
• Causes: First paper feeder installed incorrectly.
  Defective PWB
• Remedy: First paper feeder installed incorrectly. Check the installation state of the first paper feeder and adjust it if it is not properly installed.
  Defective PWB. Replace the main/engine PWB or cassette main PWB and check for correct operation.

• Code: A0500
• Description: Second paper feeder communication problem
  Communication fails five times succes-sively
• Causes: Second paper feeder installed incorrectly.
  Defective PWB
• Remedy: Second paper feeder installed incorrectly. Check the installation state of the second paper feeder and adjust it if it is not properly installed.
  Defective PWB. Replace the main/engine PWB or cassette main PWB and check for correct operation.

• Code: A0510
• Description: Third paper feeder communication problem
  Communication fails five times succes-sively.
• Causes: Third paper feeder installed incorrectly.
  Defective PWB
• Remedy: Third paper feeder installed incorrectly. Check the installation state of the third paper feeder and adjust it if it is not properly installed.
  Defective PWB. Replace the main/engine PWB or cassette main PWB and check for correct operation.

• Code: C0100
• Description: Backup memory (EEPROM) device problem (main)
  Reading from or writing to EEPROM cannot be performed.
• Causes: Defective main/ engine PWB.
• Remedy: Replace the main/engine PWB and check for correct operation.

• Code: C0110
• Description: Backup memory data problem (main)
  Data in the specified area of the backup memory does not match the specified values.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.

• Code: C0150
• Description: Backup memory device problem (engine EEPROM)
  Reading from or writing to EEPROM cannot be performed
• Causes: Defective main/ engine PWB.
  Device damage of EEPROM.
• Remedy: Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: C0160
• Description: Backup memory data problem (engine EEPROM)
  Reading data from EEPROM is abnormal.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.