Canon imagePROGRAF iPF815 - Manual (Page 177)

3.
Make sure the Main sheet is displayed.
4.
In the A Media Type list, select the type of paper that is loaded. In this case, click Plain Paper.
5.
Make your selection in the E Print Target list.
6.
Click the Page Setup tab to display the Page Setup sheet.
Enhanced Printing Options > Centering originals >
iPF815 Printing Originals Centered on Sheets (Windows)
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