Canon iR3245 Manual page 328

Press [Enter] → enter the text → press [OK] → [Next].
You can also select the text which has been registered in Register Characters for Page No./
Watermark in Common Settings from the Additional Functions screen.
Set the position of the text → press [Next].
4
6. Set the size of the page numbers → press [OK].
Select the size of the page numbers from [Small], [Medium], and [Large] ('10.5 pt.', '12.0 pt.',
and '14.0 pt.').
You can select [Black] or [White] for the colour of the page numbers.
4-74 Page Numbering