Ricoh M116 Service Manual page 108

Service Call Conditions
High temperature error (hard)

During stand-by mode or a print job, the detected heating roller temperature
reaches 250°C.

Defective ECB

Defective PSU
544
1. Replace the ECB
2. Replace the PSU

Execute "Fuser SC Reset" to recover the machine after completing the
recovery procedure. Otherwise, the machine continues to issue this SC
code and cannot be operated.
Fuser full heater error
The fuser full heater remained ON at full capacity for more than 9 s after the
fusing temperature attains reload temperature.

Deformed thermistor

Thermistor not in the correct position

545
Defective fusing lamp
1. Replace the fusing unit.
2. Replace the fusing lamp.

Execute "Fuser SC Reset" to recover the machine after completing the
recovery procedure. Otherwise, the machine continues to issue this SC
code and cannot be operated.
M116/M117 6-6 SM