Ricoh G133 Service Manual page 271

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher stapler movement motor error
The 1st detection failure issues a jam error, and the 2nd failure issues
this SC code.
For the 3000-sheet finisher
For the 1000-sheet booklet finisher
742 B
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.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
743 B Booklet stapler motor error 1
The 1st detection failure issues a jam error, and the 2nd failure issues
this SC code.
For the 3000-sheet finisher
The front stapler unit saddle-stitch motor does not start operation within
the specified time.
Motor overload
Loose connection of the front stapler motor
Defective front stapler motor
SM
Staple movement is not finished for a certain time.
The stapler HP sensor is not activated within the specified time
after the stapler motor turned on. (first detection: jam error,
consecutive twice detection SC code).
4-55
SC Table
G133