SC Table
SM 4-29 G133
Trouble-
shooting
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
3. Check and/or replace the tray lift motor.
4. Replace the IOB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 3 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:
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 two-tray paper feed unit or one-tray paper tray unit:
Defective tray lift motor or connector disconnection
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
503-01 B
1. Check the cable connections.
2. Check and/or replace the defective component.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 3 error (Paper Tray Unit, Paper Feed Unit or LCT) 503-02 B
This SC is generated if the following condition occurs 3 consecutive
times.
For the two-tray paper feed unit or one-tray paper tray unit:
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