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.