Ricoh V-C3 D081 Field Service Manual page 704

3. Appendix: Service Call Conditions
3
SC750 B
SC753 B
126
If the motor is operating
• Rear stack plate HP sensor harness loose, broken, defective
• Rear stack plate HP sensor defective
If the motor is not operating:
• Motor blocked by an obstruction
• Motor harness loose, broken, defective
• Motor defective
• Booklet finisher main board defective
Finisher tray 1 (upper tray lift) motor error (D373/D374)
The upper tray paper height sensor does not change its status with the specified time
after the tray raises or lowers. The 1st detection failure causes a jam error, and the
2nd failure causes this SC code.
• Tray lift motor disconnected, defective
• Upper tray paper height sensor disconnected, defective
• Finisher main board connection to motor loose
• Finisher main board defective
Stacking Roller Motor Error (D373/D374, B830)
The return drive HP sensor did not detect the stacking roller at the HP sensor within 1
sec.
-or-
The stacking roller did not leave the home position at the specified time.
If the motor is operating
• Return drive HP sensor harness loose, broken, defective
• Return drive HP sensor defective
If the motor is not operating:
• Motor blocked by an obstruction
• Motor harness loose, broken, defective
• Motor defective
• Finisher main board defective