Ricoh D143 Field Service Manual page 840

6. Troubleshooting
No. Type
720
B
-30
838
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher jogger motor error
The jogger fences move out of the home position but the HP sensor output does
not change within the specified number of pulses.
The 1st failure issues an original jam message, and the 2nd failure issues this SC
code.
• Jogger HP sensor disconnected, defective
• Jogger motor disconnected, defective
• Jogger motor overloaded due to obstruction
• Finisher main board and jogger motor
1. Check the connections and cables for the components mentioned above.
2. Check for blockages in the jogger motor mechanism.
3. Replace the jogger HP sensor and/or jogger motor.
4. Replace the finisher main board.