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Problem
Result of
Is half tone processing being
reading graphics
executed?
and photographs
Is the interior of the automatic
is unsatisfactory.
document feeder clean?
Results of
Is half tone processing being
reading
executed?
characters and
Is the interior of the automatic
diagrams are
document feeder clean?
unsatisfactory
Images are
Are documents set straight on the
misaligned or
document support?
distorted.
Double feeding
Is the pad clean?
(*1) occurs
frequently.
Is the pad worn?
Paper is not
Is the pick roller clean?
being fed (stops
enroute).
Is the pick roller worn?
Is any foreign matter on the
transfer path?
*1 Double feeding means that two or more sheets of paper are fed
together.
5-2
Item to be Checked
M3091DC Image Scanner Operation Guide
Correction
Specify correct half tone processing
by using the main unit.
Clean them according to Section
4.3, "Cleaning."
Select binary (black and white)
processing by using the main unit.
Clean them according to Section
4.3, "Cleaning."
Set the documents straight using
the document guides.
Clean the pad according to Section
4.3.2, "Cleaning the Automatic
Document Feeder."
Replace the pad unit.
Clean the pick roller according to
Section 4.3, "Cleaning."
Replace the pick roller unit.
Remove foreign matter from the
transfer path (see Section 4.1,
"Handling a Paper Jam").
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