Ricoh B230 Service Manual page 279

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 3 error (Paper Feed Unit or LCT)
For the paper feed unit:
When the tray lift motor is turned on, the upper limit is not detected
within 10 seconds
For the LCT:
SC 503-01 occurs if the upper or lower limit is not detected within 8
seconds when the tray lift motor is turned on to lift or lower the tray.
For the paper feed unit:
Defective tray lift motor or connector disconnection
503-01 B
Defective lift sensor or connector disconnection
For the LCT:
Defective stack transport clutch or connector disconnection
Defective tray motor or connector disconnection
Defective end fence home position sensor or connector
disconnection
Defective upper limit sensor or connector disconnection
Defective tray lift motor or connector disconnection
1. Check the cable connections.
2. Check and/or replace the defective component.
SM 4-39 B230/B237