Sc6Xx: Device Communication - Ricoh MPC 2800 AT-C2 Field Service Manual

3. Appendix: Service Call Conditions
No. Type
564 A
3
No. Type
565 A

SC6xx: Device Communication

No. Type
610 D
611 D
76
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller overheat 3 (hardware error)
The thermopile detects 250°C or more.
• Defective PSU
• Defective IOB
• Defective BICU
• Defective fusing control system
1. Replace the thermistor.
2. Replace the PSU.
3. Replace the IOB.
4. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating lamp consecutive full power 3
When the fusing unit is not running in the ready condition, the pressure roller-fusing
lamp keeps ON full power for 120 seconds or more.
• Broken heating roller fusing lamp
1. Replace the heating roller lamp.
2. Replace the PSU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Mechanical counter error: K
Mechanical counter error: FC