Description: Communication problem between the main PCB and engine board PCB • When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for three seconds.
Causes: Poor contact in the connector terminals. Defective main PCB or engine PCB.
Remedy: Check the connection of connectors YC6 on the main PCB and YC1 on the engine PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main PCB or engine PCB and check for correct operation.
Code: C041
Description: Optional DP communication problem • Communication fails five times successively.
Causes: DP installed incorrectly. Defective main PCB or DP driver PCB.
Remedy: Check the installation state of the DP and adjust it if it is not properly installed. Replace the main PCB or DP driver PCB and check for correct operation.
Code: C042
Description: Optional first paper feeder communication problem • Communication fails five times successively.
Causes: Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.
Remedy: Check the installation state of the paper feeder and adjust it if it is not properly installed. Replace the main PCB or drawer main PCB and check for correct operation.
Code: C050
Description: Optional second paper feeder communication problem • Communication fails five times successively.
Causes: Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.
Remedy: Check the installation state of the paper feeder and adjust it if it is not properly installed. Replace the main PCB or drawer main PCB and check for correct operation.
Code: C051
Description: Optional third paper feeder communication problem • Communication fails five times successively.
Causes: Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.
Remedy: Check the installation state of the paper feeder and adjust it if it is not properly installed. Replace the main PCB or drawer main PCB and check for correct operation.
Code: C061
Description: Bitmap (DIMM) problem • There is a problem with the data or address bus of the bitmap DRAM.
Causes: Defective main PCB. DIMM installed incorrectly. Defective DIMM.
Remedy: Replace the main PCB and check for correct operation. Check if the DIMM is inserted into the socket on the main PCB correctly. Replace the DIMM and check for correct operation.