Ricoh G133 Service Manual page 246

SC Table
No. Type
For the LCT:
For the two-tray paper feed unit or one-tray paper tray unit:
For the LCT:
1.
2.
No. Type
504-01 B Tray 4 error (Paper Tray Unit, Paper Feed Unit or LCT)
For the two-tray paper feed unit or one-tray paper tray unit
When the tray lift motor is turned on, the upper limit is not detected
within 10 seconds.
For the LCT
If the upper or lower limit is not detected within 8 seconds when the tray
lift motor is turned on to lift up or lower the tray
G133
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.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective tray lift motor or connector disconnection
Defective lift sensor or connector disconnection
4-30 SM