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A-63055 December 1999 60
Automatic Separation
(Halftone Mode)
When Automatic Separation is enabled, the scanner automatically
recognizes and separates text and photo. This function automatically
sets tonal gradation type. The text is scanned in binary mode and the
photo image areas are scanned in dither mode specified in Halftone
(Dither).
Automatic Separation
is valid only when a binary mode is
specified in
Image Type
.
Binary mode Error Diffusion Automatic Separation
NOTES: Depending on the document, the text and photograph(s) may
not be perfectly separated.
If photographs are always located in the same positions,
instead of using
Automatic Separation
, you could define a
region and select a dither pattern for that region.
Remove Shadow
Enable Remove Shadow to remove any black lines which may appear
at the top and bottom of a scanned image.
When this feature is enabled, about 3 mm of the top and the bottom of
the scanned image become white.