Ricoh Aficio SP C231SF Service Manual

Service Call Conditions
SM Appendix 3-13 M018/M019
Appendix:
Trouble-
Shooting
Guide
Thermistor Error
The thermistor output is less than 0°C for 7 seconds.
541
 Disconnected thermistor
 Defective harness connection
1. Check the harness connection of the thermistor.
2. Replace the fusing unit.
 Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
Print Ready Temperature Error
 The heating roller temperature increase during a set time is not correct.
 The fusing temperature does not reach the print ready temperature within a
set time after the fusing lamp has turned on.
542
 Defective thermistor
 Incorrect power supply input at the main power socket
 Defective fusing lamp
1. Check the voltage of the wall outlet.
2. Replace the fusing unit
3. Replace the fusing lamp.
 Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
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Ricoh Aficio SP C231SF Specifications