Epson EPL-N7000 Reference Manual page 189

The actual settings that are available might vary, depending on
your application.
Page Setup dialog box
When you select Page Setup in the File menu of your application,
the Page Setup dialog box appears. There are three setup option
pages in this dialog box: Page Attributes, Custom Page Default,
and Summary.
The settings and the buttons that appear in the Page Setup dialog
box are explained below.
Cancel
Click this button to exit the dialog box without saving any
changes you made.
Page Attributes
Paper Size
Select the desired paper size from the Paper pop-up menu. This
setting must match the size of the paper loaded in the printer. The
paper sizes that are available will differ according to the printer.
The default setting is either A4 or Letter, depending on your
country of purchase.
Orientation
Specify whether the page is to be printed in the portrait (vertical)
or landscape (horizontal) orientation. The options are Portrait
(vertical), Landscape (horizontal), and Rotated Landscape
(rotated 90 counterclockwise).
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Using the PostScript Printer Driver (Macintosh)