Epson GT-9000 Service Manual page 71

Table 5-5. OPERATE LED Does Not Light (Continued)
Cause
Scanner head may be dead.
dead.
Cause
dead.
Step
Disconnect connector CN3
on the B027 MAIN board
7
and power on. Does the
OPERATE LED come on?
Disconnect connector CN2
on the B027 MAIN board
8
and power on. Does the
OPERATE LED come on?
—
Checkpoint
Step
Finding Solution
Replace the
the scanner head.
Replace the
scanner head.
Replace the B027
—
MAIN board.
Finding Solution
Replace the B027
—
MAIN boatd
Rev. A