Ricoh B230 Service Manual page 280

No. Type
Tray 3 error (Paper Feed Unit or LCT)
This SC is generated if the following condition occurs 3 consecutive
times.
For the paper feed unit:
For the LCT:
503-02 B
For the paper feed unit:
For the LCT:
1.
2.
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
When the tray lowers, the tray lift sensor does not go off within 1.5
sec.
When the main switch is turned on or when the LCT is set, if the
end fence is not in the home position (home position sensor ON),
the tray lift motor stops.
If the upper limit does not go off for 1.5 seconds even the tray lift
motor turns on to lower the tray after the upper limit has been
detected at power on.
Defective tray lift motor or connector disconnection
Defective lift sensor or connector disconnection
Defective stack transport clutch or connector disconnection
Defective tray motor or connector disconnection
Defective end fence home position sensor or connector
disconnection
Check the cable connections.
Check and/or replace the defective component.
4-40 SM