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D0CA/D0C9/D0C8/D0CB 7-32 SM
7.3.4 IMPROVED TOLERANCE TO BLACK LINES WHEN PAPER
PASSES THROUGH ADF
This model uses a conventional mechanism in which paper comes in contact with the exposure
glass during feeding. This is useful for dealing with adhesion of free dirt particles (paper scraps,
etc.). (Self-cleaning mechanism using paper)
On the other hand, sticky dirt adhering to the document sticks to the exposure glass, and may
cause black lines in scanned images.
ADF cross-section diagram
[A]: Exposure glass
[B]: Reading position
[C]: Original feed path
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