Table 5-8. Carriage Moves and Crashes Into Frame
Cause
Step
Checkpoint
Finding
Solution
Replace the HP
sensor
I
HP sensor maybe bad.
Table 5-9.
Do Not Light
Cause
Step
Checkpoint
Finding
Is connector
on the
MAIN
Yes
disconnected?
Solution
Connector
on the
MAIN board may be
disconnected.
Connect
on
the
MAIN
board.
A connector on the
board in the scanner head
may be disconnected.
Are any connectors on the
Connect the
Yes
connector on
disconnected?
board.
2
maybe dead.
3
- ‘he
Yes
you replace the lamps?
Scanner OK.
The
in the
Does the scanner work after
scanner head may be dead.
you replace the
Yes
Scanner OK.
board?
MAIN board
—
Replace the
be dead.
—
MAIN board.
Table 5-10. Lamps Light before the Error is Displayed
Cause
Checkpoint
Finding
Yes
Solution
on the
MAIN board may be
disconnected.
Is connector
on the
MAIN board
disconnected’?
Connect
on
the
MAIN
board.
A
connector on the
board in the scanner head
may be disconnected.
Connect the
connector on the
board.
Are connectors on the
board connected?
2
No
the power on, is there
an output of +12
between
pin 9 (+) and pin
10 (-) and-12
between pin 11 and pin 10
for
on
board
be dead.
Replace the
board.
3
No
Does
the
scanner work after
you replace the scanner
head?
The scanner head may be
dead.
The
MAIN board may
be dead.
4
5
Scanner OK.
Replace the
MAIN board.
5-6
Rev.
Summary of Contents for ES-1200C Pro PC
Page 2: ...EPSON IMAGE SCANNER GT 9000 ES 1200C SERVICE MANUAL EPSON ...
Page 6: ...REVISION SHEET Revision Issue Date Revision Page Rev A June 29 1994 let issue o j c1 v ...
Page 66: ...Chapter 4 Adjustments No Adjustment is required in this product ...
Page 80: ... ...
Page 89: ...a g I 1 1 u In o N 7 g m N x In g Figure A 4 B027 PSE Board Circuit Diagram A 10 Rev A ...
