Samsung ML-3471ND/XAX Service Manual page 124

Adjustment and Troubleshooting
8) Defective motor operation
Description: Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'.
pressure roller or heat roller
2. Check the claw of the fuser
Service Manual
4-56
1. Contamination of the
(Background, Hot off set).
whether it is deformed.
After disassembling the fuser,
clean contamination between the
heat roller and the thermostor and
remove the contamination of the
pressure roller.
1. If there is heavy background,
repair it by the background
troubleshooting method.
2. Clean the surface of the heat
roller with IPA or water
3. Check the warp or separation
of the print claw and the holder
plate claw, and then manage it.
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