Ricoh M065 Service Manual page 345

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller thermister error 3
The temperature measured by the pressure roller thermistor (center)
does not reach 0 °C for 20 seconds.
Loose connection of pressure roller thermistor (center)
561 A
Defective pressure roller thermistor (center)
1. Check that the pressure roller thermistor (center)is firmly
connected.
2. Replace the pressure roller thermistor (center).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller overheat 3 (software error)
The detected fusing roller temperature stays at 230°C or more for 1
second.
Defective PSU
563 A
Defective BCU
1. Replace the pressure roller thermistor (center).
2. Replace the PSU.
3. Replace the BCU.
SM Appendix 3-35
SC Tables
M065/M066