Visioneer Patriot 780 - Manual (Page 71)

64 V ISIONEER P ATRIOT 780 S CANNER U SER ’ S G UIDE
When using the AutoCrop to Original option for a single page
on the Flatbed Glass, make sure to align the top left corner of the
item with the arrows at the top left corner of the Flatbed Glass.
When using the AutoCrop to Original option with the
Automatic Document Feeder, make sure to adjust the paper
guides on the scanner so the page is not skewed when it feeds
into the scanner. Skewed pages may not crop properly.
■ Reduce Moire Patterns—Moire patterns are wavy, rippled lines
that sometimes appear on the scanned images of photographs or
illustrations, particularly newspaper and magazine illustrations.
Selecting Reduce Moire Patterns will limit or eliminate moire
patterns in the scanned image. This option is only available for
the GrayScale or Color Mode at 300dpi or less.