Ricoh MPC 2800 AT-C2 Mode D'emploi page 434

3. Appendix: Service Call Conditions
No. Type
No. Type
3
540 D
No. Type
541 A
No. Type
542 A
66
Details (Symptom, Possible Cause, Troubleshooting Procedures)
• Defective IOB
1. Replace the third duct fan motor.
2. Check or replace the harness.
3. Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Fusing/Paper exit motor error
The IOB does not receive the lock signal 2 seconds after turning on the fusing/paper
exit motor.
• Motor overload
• Defective fusing/paper exit motor
1. Check or replace the harness.
1. Replace the fusing/paper exit motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller thermopile error
The temperature detected by the heating roller thermopile does not reach 0°C for
6 seconds.
• Loose connection of the heating roller thermopile
• Defective heating roller thermopile
• Defective thermopile
1. Check if the heating roller thermopile is firmly connected.
2. Replace the heating roller thermopile.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller warm-up error 1
• After the main switch is turned on or the cover is closed, the increment of the
heating roller temperature per 5 seconds is 50°C or less. If this condition is
detected five times consecutively, SC 542 is defined.