Epson EPL-N1200, Service Manual

Page: 117 / 149

Table 5-9. The LCD Displays Feed Jam for Lower Paper Cassette
Cause Step Checkpoint Finding Solution
The paper take-up solenoid
coil of the lower paper
cassette may be open or
shorted.
1
Disconnect connector CN3
on PWB-B board and
check the coil resistance
between pin 1 and pin 2 on
the disconnected cable side
of the connector using a
multimeter.
Is the resistance
approximately 220 ohms?
No
Replace the paper
take-up solenoid.
If the coil is shorted, check
that the terminal between
emitter and collector of the
transistor Q1 is shorted.
Yes
Replace the paper
take-up solenoid
and PWB-B board.
The paper take-up roller in
the lower paper cassette may
be bad.
2 — —
Replace the paper
take-up roller.
Table 5-10. The LCD Displays Paper Jam at Power On
Cause Step Checkpoint Finding Solution
The paper take-up sensor
flag position may be incorrect.
1
Is the paper take-up sensor
flag position OK?
No
Reposition the
paper take-up
sensor flag.
The paper exit sensor flag
position may be incorrect.
2
Is the paper exit sensor flag
position OK?
No
Reposition the
paper exit sensor
flag.
The paper take-up sensor
connector may be
disconnected.
3
Is the paper take-up sensor
connector disconnected?
Yes Connect it.
The paper exit sensor
connector may be
disconnected.
4
Is the paper exit sensor
connector disconnected?
Yes Connect it.
The paper exit sensor may
be dead.
5 — — Replace it.
The paper take-up sensor
may be dead.
6 — — Replace it.
Table 5-11. The LCD Displays Paper Jam during Paper Feeding
Cause Step Checkpoint Finding Solution
The imaging cartridge may
not be installed.
1
Is the imaging cartridge
installed?
No
Install the imaging
cartridge.
The paper take-up roller
may be bad.
2
Does paper always jam in
paper take-up roller area?
Yes
Replace the paper
take-up roller.
The image transfer roller
may be bad.
3
Does paper always jam in the
image transfer roller area?
Yes
Replace the image
transfer roller.
The fusing unit may be bad. 4
Does paper always jam in the
fusing unit?
Yes Replace it.
EPL-N1200 Service Manual Troubleshooting
Rev. A 5-5