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Table 5-8. Carriage Moves and Crashes Into Frame
Cause
I
HP sensor maybe bad.
Cause
Connector CN3 on the B027
MAIN board may be
disconnected.
A connector on the inverler
board in the scanner head
may be disconnected.
The inverter boafd in the
scanner head may be dead.
be dead.
Table 5-10. Lamps Light before the Error is Displayed
Cause
MAIN board may be
disconnected.
connector on the CCD
A
board in the scanner head
may be disconnected.
The scanner head may be
dead.
The B027 MAIN board may
be dead.
5-6
Checkpoint
Step
Table 5-9. bmps Do Not Light
Checkpoint
Step
Is connector CN3 on the
disconnected?
Are any connectors on the
2
disconnected?
- 'he -nner 'rk afier
3
you replace the lamps?
Does the scanner work after
you replace the inverter
board?
—
Checkpoint
Is connector CN2 on the
disconnected'?
Are sit connectors on the
2
an output of +12 VDC
between
pin 9 (+) and pin
3
10 (-) and-12 VDC
between pin 11 and pin 10
for CN3 on B027 PSWPSE
Does
scanner work after
the
4
you replace the scanner
head?
5
Finding
Solution
Replace the HP
sensor
Finding
Solution
Connect CN3 on
Yes
the B027 MAIN
board.
Connect the
Yes
connector on
Yes
Scanner OK.
Yes
Scanner OK.
Replace the B027
—
MAIN board.
Finding
Solution
Connect CN2 on
the B027 MAIN
Yes
board.
Connect the
No
connector on the
Replace the B027
No
Scanner OK.
Replace the B027
MAIN board.
Rev. A
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