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Blank page
separation with
i800 Series Scanners
A-63054 February 2004
For all i800 Series Scanners, blank page separation is based on the image
size of the bitonal front and rear images.
When dual stream scanning (i.e., scanning color and bitonal simultaneously)
with an i820 Scanner or i840 Scanner, the bitonal image size is used to
determine a blank page. When a blank page is detected, all four images
(Color front; Color rear; Bitonal front; Bitonal rear) of the page are either
deleted or attached to the new/current document according to the
Blank Page Setup.
When color-only scanning with an i820 Scanner or i840 Scanner, Capture
Software will still scan the bitonal images "behind the scenes" using the
grayed-out bitonal Page and Image Setup settings (e.g., Bitonal resolution,
Contrast, Threshold).
While the "behind the scenes" bitonal images are never displayed or stored
to disk, they are used for blank page separation. When setting up your color-
only scanning application, you should first scan a sample blank page in
dual stream, note the bitonal image size, then set the blank page byte
threshold accordingly.
8-3
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