Samsung ML-3471ND/XAX Service Manual page 113

6) JAM Duplex 2
Description: A message 'Jam duplex 2' is displayed in a LCD window.
1. It is a case that a paper cannot
pass a duplex sensor.
2. It is a case that a paper cannot
reach to a registration sensor after it is
passed a duplex sensor.
Samsung Electronics
Adjustment and Troubleshooting
Replace a SMPS or main PBA.
1. A case that a leading edge of a
paper is jammed on (A) check
an operation of a guide front.
If it is worn or defective, replace it.
2. Check an operation of a feed
roller and a registration roller.
If they are worn or defective
replace them. 2
BIN PATH
Service Manual
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