Ricoh Copier Error Code SC 541 is Fusing thermistor open problem
1. This is Open Thermistor problem >:(
2. Thermistor connector is bad. >:(
3. Thermistor is broken, or out of place >:(
4. Fusing temperature –15% less than the regular input voltage >:(
Try to reset this code with "Clear Mode"+107+"Clear/Stop" hold for 5s.
Turn ON and OFF the Main Switch.
Try this Video