Lexmark E320/E322 User Reference Manual page 24

4
Flex the sheets back and forth to loosen them, then fan them.
5
If loading letterhead paper, insert letterhead face down with the top of the page entering the
printer first.
6
Do not exceed the stack height indicator; overfilling the tray may cause paper jams.
7
Make sure the paper is under both corner bucklers and lying flat in the tray.
8
Slide the paper guides flush against the edges of the media.
Corner bucklers
22