Cause Step Checkpoint Finding Solution
The interlock switch lever is
bad.
1
Does the switch turn on when
the case is closed?
No
Replace the interlock
lever.
The interlock switch may be
dead.
2
Does the switch toggle?
(Check with a multimeter.)
No
Replace the interlock
switch.
The PWB-E board may be
dead.
3
With power on, is there an
output of +24 VDC between
pin 1 (+) and pin 2 (–) for
CN207 on C169 MAIN-B
board?
No
Replace the PWB-E
board.
The paper take-up sensor flag
position may be incorrect.
4
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.
5
Is the paper exit sensor flag
position OK?
No
Reposition the paper
exit sensor flag.
The paper take-up sensor
connector may be
disconnected.
6
Is the paper take-up sensor
connector disconnected? Yes
Connect it.
The paper exit sensor
connector may be
disconnected.
7
Is the paper exit sensor
connector disconnected? Yes
Connect it.
The paper exit sensor may be
dead.
8
—
—
Replace it.
The paper take-up sensor may
be dead.
9
—
—
Replace it.
Troubleshooting EPL-5500 Service Manual
5-8 Rev. B
