Canon MX870 Series User Manual page 521

Note
If you selected only one image in the View & Use window, the thumbnail list does not appear
and only the preview image appears.
Click Manual, then click Correct/Enhance.
4.
Click Face Brightener, Face Sharpener, Digital Face Smoothing or Blemish
5.
Remover.
Note
The Face Brightener, Face Sharpener and Digital Face Smoothing effect levels can be
changed using the slider that appears by clicking the corresponding buttons.
Move the cursor over the image. The shape of the cursor changes to
Drag to select the area you want to correct/enhance, then click OK that appears
6.
over the image.
(Cross).