● Code
01-004
● Error message
Paper Jam in MP tray
● Symptom
The paper from the MP tray has not reached to the feed sensor within a predetermined period of time after pick up.
● Possible Cause
1. Pickup roller rubber is worn out.
2. Pickup Clutch does not work.
3. Feed Sensor is defective.
● Troubleshooting method
1. Ensure the Front and Top Covers are closed properly.
2. If the PTB [paper transfer belt] is not installed, install it.
3. Check the cover switch harness between Main PBA and HVPS.
4. Check the 24V enable signal on Main PBA. If the voltage is high(5V), replace the Main PBA.
5. Check the 24V1 on SMPS. If there is no output, replace the SMPS board.
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