Ricoh MPC 2800 AT-C2, Field Service Manual, Page: 414 / 856

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
442 D
Image transfer belt contact motor error
The image transfer belt contact sensor does not detect the movement of actuator at
the sensor while the polygon motor rotates.
• Dirty image transfer belt contact sensor
• Defective image transfer belt contact motor
• Disconnected connector of image transfer belt contact sensor or motor
• Disconnected cable
1. Replace the image transfer belt contact sensor.
2. Replace the image transfer belt contact motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
443 C
Image transfer unit error
The machine detects the encoder sensor error.
• Defective encoder sensor
• Image transfer unit installation error
• Defective image transfer unit motor
1. Check if the image transfer unit is correctly set.
2. Replace the image transfer unit motor.
3. Replace the image transfer unit.
3. Appendix: Service Call Conditions
58
3