Description: Printer engine communication error
Erroneous communication between the DC controller PCB and image processor PCB was detected.
Remedy: - Check the connectors of the DC controller PCB and image processor PCB. - Replace the DC controller PCB for normal connection. - Replace the image processor PCB.
Code: E500-0001
Description: Finisher communication error
Data communication could not be performed normally. It has been retried three times in vain.
Remedy: - Check the connectors of the finisher controller PCB and DC controller PCB for normal connection. - Replace the finisher controller PCB. - Replace the DC controller PCB.
Code: E520-0001
Description: Offset motor or finisher controller PCB failure
Offset HP sensor failure
- The offset motor was driven for 1000 ms in the HP sensor approach direction, but the offset HP sensor did not turn on.
Remedy: - Check the connector of the offset HP sensor. - Check the connector of the offset motor. - Replace the offset HP sensor. - Replace the offset motor. - Replace the finisher controller PCB.
Code: E520-0002
Description: Offset motor or finisher controller PCB failure
Offset HP sensor failure
- The offset motor was driven for 1000 ms in the HP sensor escape direction, but the offset HP sensor did not turn off.
Remedy: - Check the connector of the offset HP sensor. - Check the connector of the offset motor. - Replace the offset HP sensor. - Replace the offset motor. - Replace the finisher controller PCB.
Code: E531-0001
Description: - Staple unit failure
- Staple HP sensor failure
- Finisher controller PCB failure
- The staple home position was not left when 400 ms have lapsed since start of staple operation.
Remedy: - Check the connector of the staple unit. - Replace the staple unit. - Replace the finisher controller PCB.
Code: E531-0002
Description: - Staple unit failure
- Staple HP sensor failure
- Finisher controller PCB failure
- The staple home position had been left once, but it was not reached again when 400 ms have lapsed since start of staple operation. In addition, the staple home position could not be reached by performing reverse operation for 400 ms
Remedy: - Check the connector of the staple unit. - Replace the staple unit. - Replace the finisher controller PCB.