Ricoh M065 - Page 340

SC Tables
M065/M066 3-30 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
543 A
Heating roller fusing lamp overheat 1 (software error)
The detected fusing temperature stays at 245°C for 1 second.
 Defective PSU
 Defective BCU
1. Replace the PSU.
2. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
544 A
Heating roller fusing lamp overheat 1 (hardware error)
During stand-by mode or a print job, the detected heating roller
temperature reaches 250 °C.
 Defective PSU
 Defective BCU
 Defective heating roller thermistor (end)
 Defective fusing control system
1. Replace the PSU.
2. Replace the BCU.
3. Replace the heating roller thermistor (end).