Ricoh AP-C3, Field Service Manual, Page: 801 / 1334

Service Call Tables - 4
SC4xx: Image Processing - 3
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
441 D
Image transfer unit motor error
The motor LOCK signal is not detected for more than two seconds while the motor
START signal is on.
• Motor overload
• Defective image transfer unit motor
1. Replace the image transfer belt unit.
2. Replace the IOB.
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.
Service Call
799