Canon MX870 Series User Manual page 443

4.
Face brightener
Brightens a darkened face on the photo taken against the light.
5.
Image optimizer
Corrects and smoothes the jagged contours for printing.
6.
Brightness
Adjust brightness.
7.
Contrast
Adjust contrast.
8.
Color balance
Adjust color hue.
For example, you can increase red or yellow to adjust the skin tone.
9.
Effects
Applies special effects to the photo, such as printing in sepia tones or with a sketch
illustration like effect.
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