Description: Document finisher communication error (optional 3000-sheet document finisher) A communication error from document finisher is detected 10 times in succession.
Causes: Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the engine PWB and the connector on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the finisher main PWB or engine PWB and check for correct operation.
Code: C8900
Description: Finisher backup memory data problem (optional 3000-sheet document finisher) Read and write data does not match 3 times in succession.
Causes: Poor contact in the connector terminals. EEPROM installed incorrectly. Defective finisher main PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the finisher main PWB and the connector of the machine, and the continuity across the connector terminals. Repair or replace if necessary. EEPROM installed incorrectly. Install EEPROM correctly. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.
Code: C8910
Description: Punch backup memory data problem (optional of 3000-sheet document finisher) Read and write data does not match 3 times in succession.
Causes: Poor contact in the connector terminals. Defective punch PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the punch PWB and the connector YC4 on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective punch PWB. Replace the punch PWB and check for correct operation.
Code: C8920
Description: Mailbox 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: Center-folding backup memory data problem (optional center-folding unit of 3000-sheet document finisher) Read and write data does not match 3 times in succession.
Causes: Poor contact in the connector terminals. EEPROM installed incorrectly. 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. EEPROM installed incorrectly. Install EEPROM correctly. Defective centerfold main PWB. Replace the centerfold main PWB and check for correct operation.
Code: C9530 ... C9550
Description: Contact the Service Administrative Division.
Causes:
Remedy: Contact the Service Administrative Division.