Epson EPL-N1200 Service Manual - Page 117

The LCD Displays Feed Jam for Lower Paper Cassette, The LCD Displays Paper Jam during Paper Feeding

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EPL-N1200 Service Manual Troubleshooting Table 5-9. The LCD Displays Feed Jam for Lower Paper Cassette Cause Step Checkpoint Finding Solution Disconnect connector CN3 on PWB-B board and check the coil resistance The paper take-up solenoid coil of the lower paper cassette may be open or shorted. between pin 1 and pin 2 on the disconnected cable side No of the connector using a 1 multimeter. Is the resistance approximately 220 ohms? 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. Replace the paper Yes take-up solenoid and PWB-B board. The paper take-up roller in the lower paper cassette may 2 - be bad. - 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? The paper exit sensor flag position may be incorrect. The paper take-up sensor connector may be disconnected. The paper exit sensor connector may be disconnected. The paper exit sensor may be dead. The paper take-up sensor may be dead. 2 Is the paper exit sensor flag position OK? 3 Is the paper take-up sensor connector disconnected? 4 Is the paper exit sensor connector disconnected? 5- 6- Reposition the No paper take-up sensor flag. Reposition the No paper exit sensor flag. Yes Connect it. Yes Connect it. - Replace it. - 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. Rev. A 5-5

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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