SC5xx: Paper Feed and Fusing
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
501 B 1st paper tray lift motor malfunction
502 B 2nd paper tray lift motor malfunction (optional paper feed unit)
503 B 3rd paper tray lift motor malfunction (optional paper feed unit)
The paper lift sensor does not detect paper or finish the detection within the
specified time, after the tray lift motor switched on.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor
drive and caused an overload.
•
Paper lift sensor connection loose, disconnected, or damaged
•
Paper lift sensor defective
• Tray lift motor connection loose, disconnected, or damaged
• Tray lift motor defective
1. Check or replace the connector and harness.
2. Replace the tray lift motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
508 B
By-pass bottom plate error
The signal from the by-pass tray HP sensor does not change for 2 seconds after
the by-pass bottom plate clutch was activated.
If this condition occurs three consecutive times, this SC is generated.
• Disconnected or defective connectors of the by-pass bottom plate clutch
• Disconnected or defective by-pass HP sensor
• Defective by-pass bottom plate detection filler
1. Check or replace the connectors of the by-pass bottom plate clutch.
2. Check or replace the by-pass HP sensor.
SC Tables
653
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