Ricoh D037 - Page 441

SC Tables
SM Appendix 4-19 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
the sensor while the polygon motor rotates.
 Dirty ITB contact sensor
 Defective ITB contact motor
 Disconnected connector of ITB contact sensor or motor
 Disconnected cable
1. Replace the ITB contact sensor.
2. Replace the ITB contact motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ITB unit error
The machine detects the encoder sensor error.
 Disconnect or defective harness
 Defective encoder sensor
 ITB unit installation error
 Defective ITB unit motor
443 C
1. Connect or replace the harness.
2. Replace the encoder sensor.
3. Check if the ITB unit is correctly set.
4. Replace the ITB unit motor.
5. Replace the ITB unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper transfer unit contact error
The paper transfer unit contact sensor does not detect the movement of
actuator at the sensor while the polygon motor rotates.
452 D
 Defective paper transfer unit contact sensor
 Defective paper transfer unit contact motor