Canon iR3245 Manual page 288

2. Press [Original Frame Erase].
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3. Press [-] or [+] to set the frame erase width.
To enter values in inches, press [Inch].
If you want to set the same width for all four borders:
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If you want to set the top, left, right, and bottom widths independently:
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If you want to set the same width for all four borders:
Press [-] or [+] to set the frame erase width → press [Next].
If you want to set the top, left, right, and bottom widths independently:
Press [Adjust Each Dim.].
4-34 Original Frame Erase