Avision IS25 manual - Manual (Page 91)

Flip Side
Rotation
Select “fanfold” to rotate the image
of the reverse side to 180 degrees.
This is applied to double-sided
document which are viewed in
portrait are sometime fed into the
scanner in landscape or vice versa.
Choice: Book, Fanfold.
If “Book” is selected, the image of
the reverse side will not be rotated.
The following illustration shows the documents which
should be viewed in portrait are fed into the scanner in
landscape
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