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2-10 Service Manual
4036-304
Scan module does not move to the flatbed position
Reading is not performed
Cause
Relevant
Unit
Check Action
Power supply-
main scanner
board
connection
failure
None Visual check Connect the
connector.
Power supply
fails
Power supply Tester check
(+5V, +24V,
GND)
Replace the
power supply.
Motor-main
scanner
board
connection
failure
None Visual check Connect the
connector.
Motor failure Carrier motor Visual check Replace the
carrier motor.
Belt broken or
loose
Carrier belt Visual check Reposition belt
or replace if
defective.
Cause
Relevant
Unit
Check Action
ADF cover
open
ADF cover Visual check Close the ADF
cover.