Ricoh G188 Service Manual page 320

Service Call Conditions
No. Type
Tray 5 error (Two-tray paper feed unit combined with the one-tray paper
feed unit)
This SC is generated if the following condition occurs 3 consecutive
times.
505
B
-02
1.
2.
No. Type
Fusing fan error
The IOB does not receive the lock signal 10 seconds after turning on
the fusing fan.
530 D
1.
2.
No. Type
Ventilation fan (at the left side of the machine) motor-front/rear error
The IOB does not receive the lock signal for 2 seconds after turning on
531 D
the ventilation fan motor-front/rear.
G188/G189
Details (Symptom, Possible Cause, Troubleshooting Procedures)
When the tray lowers, the tray lift sensor does not go off within 1.5
sec.
Defective tray lift motor or connector disconnection
Defective lift sensor or connector disconnection
Check the cable connections.
Check and/or replace the defective component.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective fusing fan motor or connector disconnection
Defective IOB
Check the connector and/or replace the fusing fan motor.
Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective ventilation fan motor-front or rear
Defective IOB
3-24 SM Appendix