Canon iR3245 Manual page 330

If [Adjust Position] is selected:
Press [X] and [Y] → press [-] or [+] to set their respective position → press
[OK].
To enter values in inches, press [Inch].
4
4. Enter the number to start numbering from → select the Number size and
density → press [OK].
Select the size of the page numbers from [Small], [Medium], and [Large] ('12.0 pt.', '24.0 pt.',
and '36.0 pt.').
Adjust the character density by pressing [Light] or [Dark].
If Copy Set Numbering Option Settings in System Settings (from the Additional Functions screen) is set to
'On', the size of the page numbers becomes [Small] '10.5 pt.', [Medium] '12.0 pt.', [Large] '14.0 pt.'. (See
the Reference Guide.)
4-76 Copy Set Numbering