Ricoh B230 Service Manual page 307

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher stapler movement motor error
For 1000-sheet (booklet) finisher
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).
For 500-sheet finisher
The stapler HP sensor does not detect "OFF" signal even the
stapler moves from the "ON" position for 0.35 seconds.
The stapler HP sensor does not detect "ON" signal even the stapler
moves from the "OFF" position for 5.5 seconds.
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.
SM 4-67 B230/B237