Canon PIXMA MG2440 - Manual (Page 165)

Note
If only one image is selected, only the preview appears and the Selected Images
area does not appear.
4. Click Manual, then click Correct/Enhance.
5. Click Face Brightener.
Note
The correction level can be changed by moving the slider displayed below Face
Brightener.
When the cursor is moved over the image, the shape of the cursor changes to
(Cross).
6. Drag to specify the area you want to correct, then click OK that appears
over the image.
The entire image is corrected so that the specified face area becomes brighter, and
the
(Correction/Enhancement) mark appears on the upper left of the image.
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