Ricoh MPC 2800 AT-C2 Mode D'emploi page 458

3. Appendix: Service Call Conditions
No. Type
3
798
B
-06
No. Type
798
B
-07
90
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher corner stapler motor error
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
For 500-sheet finisher
• The stapler HP sensor does not detect "ON"/"OFF" signal even the stapler
moves from the "OFF"/"ON" position for 0.6 seconds.
• The stapler HP sensor does not detect "ON" when a stapling job is commanded
or the stapler moves.
• Staple jam
• Motor overload
• Defective stapler motor
1. Check the connections and cables for the components mentioned above.
2. Replace the HP sensor and/or stapler motor
3. Replace the finisher main board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher stapler movement motor error
For 500-sheet finisher
• The stapler HP sensor does not detect "OFF" signal even the stapler moves
from the "ON" position for 0.35 seconds.
• The stapler HP sensor does not detect "ON" signal even the stapler moves from
the "OFF" position for 5.5 seconds.
• Motor overload
• Loose connection of the stapler home position sensor
• Loose connection of the stapler movement motor
• Defective stapler home position sensor
• Defective stapler movement motor
1. Check the connection of the stapler movement motor.
2. Check the connection of the stapler home position sensor.
3. Replace the stapler home position sensor.
4. Replace the stapler movement motor.