Ricoh G133 Service Manual page 251

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Check or replace the harness.
2. Replace the second duct fan.
3. Replace the IOB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper exit fan error
The machine does not detect the fan motor lock signal for 2 seconds
while the paper exit fan turns on.
Disconnected harness
Overload on the paper exit fan motor
535 D
Defective paper exit motor
Defective IOB
1. Check or replace the harness.
2. Replace the paper exit fan.
3. Replace the IOB
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Third duct fan error
The motor lock signal error is detected for 10 seconds after the motor
lock signal was first detected.
536 D
Defective controller fan motor
Replace the controller fan motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
540 D Fusing/Paper exit motor error
The IOB does not receive the lock signal 10 seconds after turning on
the fusing/paper exit motor.
SM 4-35
SC Table
G133