Canon iR3245 Manual page 177

To manually specify the copy ratios (XY Zoom):
Press [X] (horizontal axis) → enter a value.
Press [Y] (vertical axis) → enter a value.
Press [OK].
To have the copy ratios automatically specified (Auto XY Zoom):
Press [Auto XY Zoom] → [OK].
If you set [Auto XY Zoom], you have to select a paper size manually. If you do not specify a paper size, the
copy ratio is set to match the size of the paper loaded in paper drawer 1.
4. Press .
Setting the X and Y Axes Independently
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