Canon IR3320i Copying Manual page 152

3
Select the desired Image Combination feature, and press [Next].
To make a two-sided copy, press [2-Sided Copy].
After pressing [2-Sided Copy], select the type of two-sided orientation, and press [OK].
2
2-42 Reducing Two, Four, or Eight Originals to Fit on a Single Copy Sheet (Image Combination)