Ricoh MPC 2800 AT-C2 Mode D'emploi page 442

3. Appendix: Service Call Conditions
No. Type
3
No. Type
623 D
No. Type
CTL
632
B
No. Type
CTL
633
B
74
Details (Symptom, Possible Cause, Troubleshooting Procedures)
• IOB problems
• BICU problems
• PSU problems in the machine
• Main board problems in the peripherals
1. Check if the cables of peripherals are correctly connected.
2. Replace the PSU if no power is supplied to peripherals.
3. Replace the IOB or main board of peripherals.
4. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
2nd Paper Bank communication error
This SC is not issued for this machine.
When a communication error signal between the 1st paper bank and 2nd paper
bank is received.
• Loose or disconnected connector
Check the connection between the main machine and paper feed unit.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device error 1
After 3 attempts to send a data frame to the optional counter device via the serial
communication line, no ACK signal was received within 100 ms.
• Serial line between the optional counter device, the relay board and copier
control board is disconnected or damaged
• Make sure that SP5113 is set to enable the optional counter device.
Check the connection between the main machine and optional counter device.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device error 2
After communication is established, the controller receives the brake signal from the
accounting device.