Ricoh D027 Service Manual page 18

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
442 D
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)
Image transfer unit error
The machine detects the encoder sensor error.
Defective encoder sensor
Image transfer unit installation error
443 C
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.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
452 D 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.
Defective paper transfer unit contact sensor
Defective paper transfer unit contact motor
SM 3-21
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SC Tables
D027/D029 APPENDICES