Service manual

Troubleshooting
EPL-5600/ActionLaser 1600 Service Manual
Table 5-10. The LCD Displays FEED JAM for Lower Paper Cassette
Cause
Step
Checkpoint
Finding
Solution
Disconnect connector PJ2
on the lower paper cassette
circuit board and check the
coil resistance between
pin 1 and pin 2 on the
No
Replace the paper
disconnected cable side of
take-up solenoid.
the connector using a
multimeter.
Is the resistance
approximately 220 ohms?
The paper take-up solenoid
If the coil is shorted, check
coil for the lower paper
the solenoid drive circuit
1
cassette may be open or
using the following
shorted.
procedure:
1. Set the multimeter to
voltage.
2. Place the (–) terminal on
Replace the paper
pin 2 of connector PJ2 on
Yes take-up solenoid
the lower paper cassette
and PWB-A board.
board.
3. Place the (+) terminal on
ground to jumper J2.
With power on, does the
multimeter detect any
current?
The paper take-up roller in the
lower paper cassette may be
2
—
Replace the paper
—
bad.
take-up roller.
Table 5-11. The LCD Displays PAPER JAM at Power On
Cause
Step
Checkpoint
Finding Solution
The paper take-up sensor
Is the paper take-up sensor
Reposition the
flag position may be incorrect.
1
flag position OK?
No paper take-up
sensor flag.
The paper exit sensor flag
Is the paper exit sensor flag
N.
Reposition the
2
position may be incorrect.
position OK?
paper exit sensor
flag.
The paper take-up sensor
connector may be
3
Is the paper take-up sensor
connector disconnected?
Yes Connect it.
disconnected.
The paper exit sensor
connector may be
4
Is the paper exit sensor
connector disconnected?
Yes
Connect it.
disconnected.
The paper exit sensor may
5
—
be dead.
—
Replace it.
The paper take-up sensor
may be dead
6
—
—
Replace it.
5-6
Rev. A