Ricoh B230 Service Manual page 285

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Fusing/Paper exit motor error
The BICU does not receive the lock signal 10 seconds after turning on
the Fusing/Paper exit motor.
540 D
Motor overload
Defective fusing/paper exit motor
1. Replace the fusing/paper exit motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller thermistor error 1
The temperature measured by the heating roller thermistor does not
reach 0°C for 6 seconds.
Loose connection of the heating roller thermistor
541 A
Defective heating roller thermistor
Defective thermopile
1. Check if the heating roller thermistor is firmly connected.
2. Replace the heating roller thermistor.
3. Replace the thermopile.
SM 4-45 B230/B237