Ricoh G188 Service Manual page 323

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective controller fan motor
Defective IOB
1. Replace the controller fan motor.
2. Replace the IOB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Fusing/Paper exit motor error
The IOB does not receive the lock signal 2 seconds after turning on the
fusing/paper exit motor.
Motor overload
Defective fusing/paper exit motor
540 D
Shorted 24 V fuse on the PSU
Defective interlock system
1. Check the motor operation with SP5804-031 to -036. Replace the
24V fuse on the PSU if fusing/paper exit motor does not operate.
2. Replace the fusing/paper exit motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller thermopile error
The temperature measured by the heating roller thermopile does not
reach 0°C for 6 seconds.
Loose connection of the heating roller thermopile
541 A
Defective heating roller thermopile
Defective thermopile
1. Check if the heating roller thermopile is firmly connected.
2. Replace the heating roller thermopile.
SM Appendix
Service Call Conditions
3-27 G188/G189