Canon imageFORMULA DRM160ii User Manual page 41

When you do not want to scan colored lines and text
Specify the color (red, green, blue, all colors) to be ignored (dropped
out) in the color drop-out settings on the [Image processing] tab, and
that color will be removed from the scanned image.
Click [Image processing], and when a dialog box opens, specify the
color (red, blue, or green) to be ignored (dropped out) in [Color
dropout], and that color will not be scanned.
When you want to enhance a particular color
Specify the color (red, green, blue) to be enhanced in the color drop-
out settings on the [Image processing] tab, and that color will be
enhanced in the scanned image.
Click [Image processing] and specify the color (red, blue, or green) in
[Color dropout] in the dialog box that appears to enhance that color in
the document.
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