No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
503-0
1
B
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
• 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.
SC Tables
63
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