Ricoh B230 Service Manual page 266

No. Type
Shutter overrun error 2: Close
The shutter close sensor detects "ON" after SC 291 has occurred.
292 D
1.
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective motor
Change of load to shutter motor
Replace the shutter on the laser optics housing unit.
4-26 SM