Description: Scanner communication problem • There is no reply after 5 retries at communication.
Causes: Defective main PCB.
Remedy: Replace the main PCB and check for correct operation.
Code: C024
Description: Printer board communication problem*2 •There is no reply after 20 retries at communication.
Causes: Poor contact of the connector terminals. Defective main PCB or printer board.
Remedy: Check the connection of connector CN4 on the main PCB and the connector on the printer board. Repair or replace if necessary. Replace the main PCB or printer board and check for correct operation.
Code: C026
Description: Memory copy PCB 1 communication problem • There is no reply after five retries at transmitting. • There is no reply after five retries at receiving.
Causes: Poor contact of the connector terminals. Defective main PCB or memory copy PCB 1.
Remedy: Check the connection of connector CN2 on the main PCB and the connector on memory copy PCB 1. Repair or replace if necessary. Replace the main PCB or memory copy PCB 1 and check for correct operation.
Code: C032
Description: Large paper deck communication problem 1 • Communication errors from the communication microcomputer (IC56) on the main PCB: No communication: there is no replay after 3 retries. Abnormal communication: a communication error (parity or checksum error) is detected five times in succession.
Causes: Poor contact of the connector terminals. Defective engine PCB. Defective main PCB. Defective deck main PCB.
Remedy: Check the connection of connector CN17 on the engine PCB and the connector CN9 on the deck main PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the engine PCB and check for correct operation. Replace the main PCB and check for correct operation. Replace the deck main PCB and check for correct operation.
Code: C032
Description: Paper feed desk communication problem 3 • An error code from the paper feed desk is detected eight times in succession. No communication: there is no reply after 3 retries. Abnormal communication: a communication error (parity or checksum error) is detected five times in succession.
Causes: Poor contact of the connector terminals. Defective engine PCB. Defective main PCB. Defective desk main PCB.
Remedy: Check the connection of connectors CN17 on the engine PCB and CN2 on the desk main PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the engine PCB and check for correct operation. Replace the main PCB and check for correct operation. Replace the desk main PCB and check for correct operation.
Code: C034
Description: Finisher communication problem 2 • Communication errors from the communication microcomputer (IC56) on the main PCB: No communication: there is no reply after 3 retries. Abnormal communication: a communication error (parity or checksum error) is detected five times in succession.
Causes: Poor contact of the connector terminals. Defective engine PCB. Defective main PCB. Defective finisher main PCB.
Remedy: Check the connection of connectors CN21 on the engine PCB and CN2 on the finisher main PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the engine PCB and check for correct operation. Replace the main PCB and check for correct operation. Replace the finisher main PCB and check for correct operation.