Lexmark E320/E322 User Reference Manual page 14

Now print the envelope:
1
Load an envelope vertically, flap side down, with the stamp area in the top left corner in the
manual feed.
2
From the File menu, select Page Setup.
3
From the Paper Size setting, select the size envelope you want.
4
Change Orientation to Landscape.
5
Click OK to close the Page Setup dialog box.
6
Go back to the File menu and select Print.
7
From Paper Source select Envelope.
8
Click Print to send the job to print.
12