Canon imageFormula DR-9050C User Manual page 150

■ When you want to change the brightness on
the front and back sides to scan a document
with front and back sides of different densities
Set the brightness of the back side on the [Brightness] tab
sheet. (See p. 8-15.)
Hint
The brightness of the back side cannot be changed when you
are using advanced text enhancement for scanning.
■ When you want to eliminate black borders
around scanned images
Select [Border Removal] on the [Image processing] tab
sheet. The black borders created around scanned images
are removed.
■ When you want to reduce the moire patterns
that appear when color photos in magazines
and other documents are scanned at low
resolutions
Setting [Moire Reduction] on the [Basic] tab sheet allows
you to reduce the moire patterns that are generated when
color photos are scanned at low resolutions.
Hint
Moire reduction is enabled when the resolution is 300 dpi or
less, and [High-Quality Moire Reduction] is displayed when the
resolution is 240 dpi or less.
10-8
Chapter 10 Practical Examples
(See p. 8-10.)