Ricoh M065 - Page 343

SC Tables
SM Appendix 3-33 M065/M066
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
553 A
Heating roller fusing lamp overheat 2 (software error)
The detected pressure roller temperature stays at 230°C or more for 1
second.
 Defective PSU
 Defective BCU
1. Replace the heating roller thermistor (end).
2. Replace the PSU.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
554 A
Heating roller fusing lamp overheat 2 (hardware error)
The heating roller thermistor (end) detects 250°C or more.
 Defective heating roller thermistor (end)
 Defective PSU
 Defective BCU
 Defective fusing control system
1. Replace the heating roller thermistor (end).
2. Replace the PSU.
3. Replace the BCU.