Ricoh G133 Service Manual page 270

SC Table
No. Type
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
1.
2.
3.
No. Type
Finisher corner stapler rotation motor error
The stapler does not return to its home position within the specified time
after stapling.
The 1st detection failure issues a jam error, and the 2nd failure issues
this SC code.
741 B
1.
2.
G133
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Staple movement is not finished after a certain time.
The stapler motor does not switch off within the prescribed
time after operating.
The HP sensor of the staple unit does not detect the home
position after the staple unit moves to its home position.
The HP sensor of the staple unit detects the home position
after the staple unit moves from its home position.
Staple jam
Motor overload
Defective stapler motor
Check the connections and cables for the components mentioned
above.
Replace the HP sensor and/or stapler motor
Replace the finisher main board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective stapler rotation motor
Overload to the stapler rotation motor
Defective stapler rotation HP sensor
Replace the stapler rotation motor.
Replace the stapler rotation HP sensor.
4-54 SM