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Table 5-6. Clear Paper Jam (2) (Continued)
Cause Step Checkpoint Finding Solution
Paper take-up sensor flag
position may be incorrect.
4
Is the paper take-up sensor
flag position incorrect?
Yes
Reseat the paper
take-up sensor flag.
Paper take-up roller may
be bad.
5— —
Replace the paper
take-up roller.
Table 5-7. Check Toner & Cover
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 bad.
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 C180 MAIN board?
No
Replace the PWB-E
board.
Table 5-8. Service Error (1)
Cause Step Checkpoint Finding Solution
The connector for the
thermistor may be
disconnected.
1
Is the thermistor connector
disconnected?
Yes Connect it.
The C180 MAIN board
may be bad.
2
Does the heater lamp
remain lit up until the error
occurs?
Yes
Replace the C180 MAIN
board.
The heater lamp or
thermal fuse in the fusing
unit may be bad.
3
Does the heater lamp
come on at power on?
No
Replace the heater lamp
or thermal fuse in the
fusing unit.
The PWB-E board may
be dead.
4— —
Replace the PWB-E
board.
Troubleshooting EPL-5500W Service Manual
5-6 Rev. A