Canon multipass c5500 ユーザーズマニュアル

ページ / 332
6-22
Scanning With the MultiPASS C5500
Chapter 6
On the C5500 tab, under Black and White Options, use the available
slider to adjust the brightness or contrast.
N
These tone adjustments are only for black and white images. If you 
select grayscale or color as your scan mode, you adjust the contrast 
and brightness of the image only on the Tone tab.