6.3.6 Duplex Jam 0
• Description
A message 'Duplex Jam 2' is displayed in a LCD window.
Check and Cause Solution
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.
1. Replace a SMPS or main PBA.
2. 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.
3. Check an operation of a feed roller
and a registration roller. If they are worn
or defective replace them.
6.3.5 Duplex Jam 1
• Description
A message 'Duplex Jam 1' is displayed in a LCD window.
Check and Cause Solution
1. It is a case when a paper can-
not operate a duplex sensor.
2. It is a case when a paper can-
not reach to a duplex sensor
due to a paper jam on a duplex
path.
1. Replace a SMPS or main PBA
2. A case that a paper jam occurs on
(A) after it is reversed: replace a
2nd exit roller after checking its
operation.
3. A case that a paper jam occurs on
(B) after it is reversed: replace a
duplex roller after checking its
operation
Service Manual
6-11
Samsung Electronics
Troubleshooting
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