• Code: E712
• Description: An error occurs in IPC communication.
  • In communication with the ADF, four or more errors occur in 1.5 sec or more.
• Remedy: 1) Turn off and then on the power. Is the problem corrected? YES: End. If the problem occurs frequently, check the communication cable to the finisher. Connector (poor contact) 2) Is the connection between the machine and the finisher secure? NO: Make the connection secure. Communication cable 3) Try replacing the communication cable to the finisher. Is the problem corrected? YES: End. Finisher controller PCB, System controller PCB 4) Try replacing the finisher controller PCB of the finisher. Is the problem corrected? YES: End. NO: Replace the system controller PCB.

• Code: E713
• Description: An IPC finisher error occurs.
  • The communication between the finisher and the machine remiains interrupted for 3 sec.
• Remedy: 1) Turn off and then on the power. Is the problem corrected? YES: End. If the problem occurs frequently, check the communication cable to the finisher. Connector (poor contact) 2) Is the connection between the machine and the finisher secure? NO: Make the connection secure. Communication cable 3) Try replacing the communication cable to the finisher. Is the problem corrected? YES: End. Finisher controller PCB, System controller PCB 4) Try replacing the finisher controller PCB of the finisher. Is the problem corrected? YES: End. NO: Replace the system controller PCB.

• Code: E731
• Description: The PDL PCB PCI error occurs.
  • The PDL PCB cannot be recognized at power-on.
• Remedy: Connector (poor contact) 1) Are the network PCB, PDL PCB, relay PCB, system controller PCB, and image processor PCB connected securely? NO: Connect them securely. Relay PCB 2) Try replacing the relay PCB. Is the problem corrected? YES: End. PDL PCB 3) Try replacing the PDL PCB. Is the problem corrected? YES: End. Network PCB 4) Try replacing the network PCB. Is the problem corrected? YES: End. Image processor PCB, System controller PCB 5) Try replacing the image processor PCB. Is the problem corrected? YES: End. NO: Replace the system controller PCB.

• Code: E732
• Description: A controller reader communication error occurs.
  • An error occurs in the communication between the controller unit and the reader unit.
• Remedy: Communication cable 1) Is the communication cable between the reader and the controller connected securely? NO: Connect the cable securely. 2) Try replacing the communication cable. Is the problem corrected? YES: Replace the communication cable. Reader unit power supply 3) Is the reader unit power supply normal? NO: See “The reader unit power supply is absent.” Interface PCB 4) Are connectors J102 of the interface PCB and J132 of the reader controller PCB connected securely? NO: Connect the connectors securely. 5) Try replacing the interface PCB. Is the problem corrected? YES: Replace the interface PCB. Reader controller PCB 6) Try replacing the reader controller PCB. Is the problem corrected? YES: Replace the reader controller PCB. NO: Replace the image processor PCB.

• Code: E733
• Description: A controller printer unit communication error occurs.
  • The PPRDY signal cannot be detected from the printer unit 15 sec after the end of start-up sequence.
• Remedy: Connector (poor contact) 1) Is the controller unit mounted to the printer unit securely? NO: Mount it correctly. 2) Are connector J1015 on the system controller PCB and connector J501 on the image processor PCB connected securely? NO: Connect the connectors securely. Printer unit power supply 3) Does the printer unit execute initialization when the power is turned on? NO: See “The printer unit power supply is absent.” DC controller PCB 4) Can the printer unit be operated using the printer checker driver? NO: Replace the DC controller PCB Controller unit 5) Try replacing the image processor PCB. Is the problem corrected? YES: Replace the image processor PCB. NO: System controller PCB

• Code: E734
• Description: An image processor PCB check error occurs.
  • The image processor PCB cannot be recognized normally.
• Remedy: Connector (poor contact) 1) Are the network PCB, PDL PCB, relay PCB, system controller PCB, and image processor PCB connected securely? NO: Connect them securely. Relay PCB 2) Try replacing the relay PCB. Is the problem corrected? YES: End. PDL PCB 3) Try replacing the PDL PCB. Is the problem corrected? YES: End. Network PCB 4) Try replacing the network PCB. Is the problem corrected? YES: End. Image processor PCB, System controller PCB 5) Try replacing the image processor PCB. Is the problem corrected? YES: End. NO: Replace the system controller PCB.

• Code: E735
• Description: An EIF PCI error occurs.
  • The image processor PCB cannot be recognized normally.
• Remedy: Connector (poor contact) 1) Are the network PCB, PDL PCB, relay PCB, system controller PCB, and image processor PCB connected securely? NO: Connect them securely. Relay PCB 2) Try replacing the relay PCB. Is the problem corrected? YES: End. PDL PCB 3) Try replacing the PDL PCB. Is the problem corrected? YES: End. Network PCB 4) Try replacing the network PCB. Is the problem corrected? YES: End. Image processor PCB, System controller PCB 5) Try replacing the image processor PCB. Is the problem corrected? YES: End. NO: Replace the system controller PCB.

• Code: E736
• Description: A fax PCB communication error occurs.
  • The communication with the FAX PCB fails.
• Remedy: Connector (poor contact) 1) Are connector J304 and J305 on the relay PCB and relay connector J803 connected securely? NO: Connect the connectors securely. 2) Are connector J301 on the relay PCB and connector J1017 on the system controller PCB connected securely? NO: Connect the connectors securely. FAX PCB 3) Replace the FAX PCB. Is the problem corrected? YES: Replace the FAX PCB. NO: Replace the system controller PCB.