Ricoh B230 Service Manual page 311

⇒
No. Type
766 B Booklet finisher lower retraction motor error
The lower clamp roller home position sensor is not activated within the
specified time. The 1st detection failure issues a jam error, and the 2nd
failure issues this SC code.
3.
4.
No. Type
Shift motor error
The shift motor HP sensor does not detect any change for 1.86
seconds after the shift motor has turned on at power on or during its
operation.
770 B
1.
2.
No. Type
Bridge unit error
The machine recognizes the finisher, but does not the bridge unit.
791 D
1.
2.
SM
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Motor harness disconnected, loose, defective
Defective motor
Check the connections to the lower retraction motor.
Defective lower retraction motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective shift motor
Defective shift motor HP sensor
Check the connections to the shift motor and the shift motor HP
sensor.
Defective shift motor or the shift motor HP sensor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective connector
Broken harness
Check the connections between the bridge unit and the machine.
Install a new bridge unit.
4-71
Rev. 03/2007
B230/B237