Description: Fax board problem • Problems with data from fax board.
Causes: Defective fax board.
Remedy: Replace the fax board and check for correct operation.
Code: C0110
Description: Backup memory data problem • Data in the specified area of the backup memory does not match the specified values.
Causes: Problem with the backup memory data. Defective backup RAM.
Remedy: Turn safety switch 1 off and back on and run maintenance item U020 to set the contents of the backup memory data again. If the C011 is displayed after re-setting the backup memory contents, replace the backup RAM.
Code: C0210
Description: Operation unit PCB communication problem • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective main PCB or operation unit PCB.
Remedy: Check the connection of connectors CN36, CN42 on the main PCB and CN1, CN2 and CN3 on the operation unit PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main PCB or operation unit PCB and check for correct operation.
Code: C0240
Description: Printer board communication problem • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective main PCB or printer board.
Remedy: Check the connection of connector CN43 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: C0250
Description: Scanner network board communication problem • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective main PCB or scanner network board.
Remedy: Check the connection of connector CN46 on the main PCB and the connector on the memory PCB. Repair or replace if necessary. Replace the main PCB or scanner network board and check for correct operation.
Code: C0280
Description: Fax board communication problem • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective main PCB or fax board.
Remedy: Check the connection of connector CN44 on the main PCB and the connector on the memory PCB. Repair or replace if necessary. Replace the main PCB or fax board and check for correct operation.