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2-12 Service Manual
4036-304
Reading position deviation
Cause
Relevant
Unit
Check Action
Motor-main
scanner
PCBA
connection
failure
None Visual check Connect the
connector.
Motor failure Carrier motor Visual check Replace the
carrier motor.
Home
position
sensor board-
main scanner
PCBA cable
failure
Flatbed CCD
optical unit
cable
Tester or
visual check
Replace the
flatbed CCD
optical unit
cable.
Home
position
sensor board
failure
Flatbed CCD
optical unit
Tester check Replace the
flatbed CCD
optical unit.