Ricoh G133 Service Manual page 273

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1000/3000-sheet (booklet) finisher: Tray lift motor error
The 1st detection failure issues a jam error, and the 2nd failure issues
this SC code.
750 B
The upper tray paper height sensor does not change its status with the
specified time after the tray raises or lowers.
1. Check the connections to the shift tray motor.
2. Defective shift tray motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Return roller motor error
Occurs during the operation of the lower tray pressure motor.
Motor harness disconnected, loose, defective
Motor overloaded
753 B
Home position sensor harness disconnected, loose, defective
Home position defective
1. Check the connections to the return roller motor of the lower tray.
2. Defective return roller motor of the lower tray.
No. Type 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.
760 B
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
SM 4-57
SC Table
G133