Ricoh OR-C1 Field Service Manual page 442

3. Appendix: Service Call Conditions
No. Type
747 B
3
No. Type
750 B
84
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Lower transport motor error
The lower transport motor in the finisher is not operating.
• Lower transport motor drive is obstructed (jammed paper, paper scraps, etc.)
• The motor harness loose or broken
• Lower transport motor defective
1. Check for blockages in the upper transport motor mechanism.
2. Replace the upper transport motor.
3. Replace the finisher main board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray lift motor error
The tray lift motor in the 1000-sheet booklet finisher is not operating.
• Motor harness loose, broken
• Motor drive obstructed
• Stack height sensor dirty, harness loose, broken
• Motor defective
• Stack height sensor defective
1. Check the connections to the shift tray motor.
2. Replace the shift tray motor.
3. Check the connections to the stack height sensor.
4. Replace the stack height sensor.