Epson ActionLaser 1300 EPL-3000 Service Manual page 79

EPL-3000 /ActionLaser 1300 Service Manual
Table 5-5. The LCD Displays Paper Jam or Cover Open
Cause
The interlock switch terminal
connector may be
disconnected.
The interlock switch position
may be incorrect.
The interlock switch may be
dead.
The PWB-E board maybe
dead.
Sensor may be bad.
take up sensor may
Paper
be dead.
Paper exit sensor may be
dead.
The imaging cartridge may
not be installed.
The paper take up roller may
be bad.
The image transfer roller
may be bad.
The fusing unit may be bad.
Rev. A
Step Checkpoint
Is interlock switch terminal
1
connector disconnected?
Does the switch turn on
when the case is closed?
Does the switch toggle?
(Check with multimeter.)
With the power on, is there
an outputof+12 VDC
4 between pin 4 (+) and pin 3
(-) for CN3 on PWB-E
board?
Does the LEDs display cover
open error at power on?
—
7 —
Is the imaging cartridge
installed?
Does paper always jam in
paper take up roller area?
Does paper always jam in
10
the image transfer roller
area?
11 —
Troubleshooting
Finding Solution
Connect the
terminal connector
Yes
on the interlock
switch.
Reseat the interlock
No
switch.
Replace the
No
interlock switch.
Replace the
No
Skip to step 8.
Replace the paper
—
take up sensor.
Replace the exit
—
sensor.
Install the imaging
No
cartridge.
Replace the paper
Yes
take up roller.
Replace the image
Yes
transfer roller area.
Replace the fusing
—
unit.