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Table 5-3. The Printer Does Not Operate at All
Cause Step Checkpoint Finding Solution
Connector CN207 on the
C180 MAIN board may be
disconnected.
1
Is connector CN207 on the
C180 MAIN board
disconnected?
Yes
Connect CN207
on the board.
The fuse on the PWB-E
board may be blown.
2
Has the fuse blown on the
PWB-E board?
Yes Replace the fuse.
PWB-E board may be dead. 3
With power on, is there an
output of +5 VDC between pin
4 (+) and pin 3 (–) for CN207
on C180 MAIN board?
No
Replace the
PWB-E board.
C180 MAIN board may be
dead.
4— —
Replace the C180
MAIN board.
Table 5-4. Both LED Lights Do Not Come On
Cause Step Checkpoint Finding Solution
The C180 MAIN board may
be dead.
1
If you replace the C180 MAIN
board, do the LEDs come on?
Yes
Replace the C180
MAIN board.
Table 5-5. Clear Paper Jam (1)
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 bad.
5 — — Replace it.
The paper take-up sensor
may be bad.
6 — — Replace it.
Troubleshooting EPL-5500W Service Manual
5-4 Rev. A