You can change the paper size, source, and orientation of your printed document.
On the File menu, click Page Setup.
Note: Page Setup option
is not available when Word Wrap mode is turned on.
In the Page Setup dialog box, do any of the following:
To change the paper or envelope size, click a size in Size.
To change the paper source, click a tray name or a feeder in Source.
To print the document vertically, click Portrait; to print the document horizontally, click Landscape.
To change the margins, type a width in any of the Margins boxes.