Ricoh G133 Service Manual page 275

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper position sensor slide motor error
The paper position sensor moves but is not detected at the home
position within the specified time. The 1st detection failure issues a jam
error, and the 2nd failure issues this SC code.
764 B
Motor harness disconnected, loose, defective
Defective motor
1. Check the connections to the paper position sensor slide motor.
2. Defective paper position sensor slide motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Bridge unit error
The machine recognizes the finisher, but does not recognize the bridge
unit.
791 D
Defective connector
Broken harness
1. Check the connections between the bridge unit and the machine.
2. Install a new bridge unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher error
The machine does not recognize the finisher, but recognizes the bridge
unit.
Defective connector
792 B
Defective harness
Incorrect installation
1. Check the connections between the finisher and the machine.
2. Install a new finisher.
SM 4-59
SC Table
G133