Canon iR3245 Manual page 530

When you select [Front Cover], [Back Cover], [Sheet Insertion] (or [Chapter Page]), if the paper size for
one feature is changed to another size, the other two features are changed. However, you may change the
paper drawer for one feature without affecting the others, as long as the paper size is the same.
Select whether to print on the front side, back side, or both sides of the paper.
If you set [Chapter Page], you cannot set the side of paper to print on.
Press [OK].
You cannot insert the sheet insertion and chapter page on the first page. Set their positions starting from
the second page.
4. Press [Done].
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7-62 Making a Copy with Inserted Sheets