Ricoh MPC 2800 AT-C2 Mode D'emploi page 452

3. Appendix: Service Call Conditions
No. Type
3
No. Type
750 B
No. Type
760 B
84
Details (Symptom, Possible Cause, Troubleshooting Procedures)
• The stack feed HP sensor does not detect "OFF" twice (once: jam error) for
specified time after the stack feed motor has turned on.
• Motor overload
• Loose connection of the stack feed motor
• Defective stack feed motor
1. Check the connections and cables for the stack feed motor and HP sensor.
2. Check for blockages in the stack feed motor mechanism.
3. Replace the stack feed HP sensor and/or stack feed motor
4. Replace the finisher main board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
1000-sheet (booklet) finisher: Tray lift motor error
• Motor overload
• Loose connection of the shift tray motor
• Defective shift tray motor
1. Check the connections to the shift tray motor.
2. Replace the shift tray motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher punch motor error
The punch HP sensor is not activated within the specified time after the punch motor
turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this
SC code.
• Punch HP sensor disconnected, defective
• Punch motor disconnected or defective
• Punch motor overload due to obstruction
1. Check the connections and cables for the punch motor and HP sensor.
2. Check for blockages in the punch motor mechanism.
3. Replace the punch HP sensor and/or punch motor
4. Replace the finisher main board.