Canon MG8100 series On-Screen Manual page 58

Display a preview of the scanned image on the LCD when Memory card or USB flash drive is selected in
Save/Forward and the original is scanned from the Platen Glass.
*2 *3
Reduce show-thru
(5)
Reduce show-through of the opposite side of a text document, or lighten the color of recycled paper,
newspaper, etc.
*2 *3
Descreen
(6)
Reduce the moire effect when uneven gradations or stripe patterns appear on the original to be scanned.
Unsharp mask
(7)
Emphasize outlines of subjects and sharpen the image when the original image is not clear.
*1
You can select Multi crop when Photo is selected for Doc. type. Then, when two or more photos are loaded
on the Platen Glass, each photo is scanned as an individual image.
*2
This setting item is not available when Photo is selected for Doc. type.
*3
This setting item is not available when Film is selected for Doc. type.
Note
Available setting items are different when you select an option other than PC in Save/Forward.
For details, refer to the on-screen manual:
.
Advanced Guide
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