Ricoh M016 Service Manual page 156

Service Call Conditions
High temperature error (Software)
The detected temperature stays at 225°C for 1 second, and this
consecutively occurs 10 times.
Defective ECB
Defective PSU
543
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.
High temperature error (Hardware)
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.
M016/M017 6-6 SM