Brother P-TOUCH 3.1 - Manual (Page 99)

[Page Setup] tab: ●
Size:
Select the page size that you wish to use.
Source:
Select the source of the paper.
Length:
Type in the page length that you want to use.
Width:
Type in the page width that you want to use.
Auto
Click this option to select whether (
) or not ( ) the size of the page is automatically adjusted to
the size of the layout.
Printing Orientation
Select the page orientation that you wish to use.
Margins
Type in the page margins that you wish to use.