Problem Solving 2-13
4036-304
Image unclear
Cause
Relevant
Unit
Check Action
Lamp too
dark
Lamp Visual check Replace CCD
optical unit.
Dirt on
calibration
reference
plate
Calibration
reference
plate
Visual check Clean the
flatbed glass
with isopropyl
alcohol.
Dirt on the
mirrors
Mirrors Visual check Clean the
mirrors with
isopropyl
alcohol.
Dirt on the
lens
Lens Visual check Clean the lens
with isopropyl
alcohol.