Description: Backup memory data problem (optional mailbox of 3000-sheet document finisher) Read and write data does not match 3 times in succession.
Causes: Poor contact in the connector terminals. Defective mailbox main PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the mailbox main PWB and the connector YC7 on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective mailbox main PWB. Replace the mailbox main PWB and check for correct operation.
Code: C8930
Description: Backup memory data problem (optional centerfold unit of 3000-sheet document finisher) Read and write data does not match 3 times in succession.
Causes: Poor contact in the connector terminals. Defective centerfold main PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the centerfold main PWB and the connector YC5 on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective centerfold main PWB. Replace the centerfold main PWB and check for correct operation.
Code: C9060
Description: EEPROM problem (optional DP) Read and write data does not match.
Causes: Poor contact in the connector terminals. Defective DP drive PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC7 on the scanner PWB and the continuity across the connector terminals. Repair or replace if necessary. Defective DP drive PWB. Replace DP drive PWB and check for correct operation.
Code: C9500 ... C9550
Description: Contact the Service Administrative Division.
Causes:
Remedy: Contact the Service Administrative Division.