Dell P1500 Personal Mono Laser Printer - Manual (Page 46)

NOTE: Manual duplex is only available on Windows NT 4.0, Windows 2000, and Windows XP.
Although you can use tray 1 or the optional 250-sheet tray to print the first side of the duplex job, only use
tray 1 to print the second side.
You can also choose how you want your job duplexed: Long Edge or Short Edge.
Long Edge means pages are bound along the long edge of the page (left edge for portrait, top edge for
landscape).
1 Portrait
2 Landscape
3 Back of sheet
4 Front of next sheet
Short Edge means pages are bound along the short edge of the page (top edge for portrait, left edge for
landscape).