With a base station set up to handle local computers and hooked into the Internet, your next step may be sharing a USB printer, if you have an AirPort Express or AirPort Extreme Base Station. Your basic steps are:
Plug the printer into the base station and turn it on. You should not need to reboot your base station for it to recognize the printer.
Give the printer a custom name; for details, read “Rename a Shared Printer” (later on this page).
As needed, configure recent Macintoshes to connect to the printer; Add a Shared USB Printer in Mac OS X 10.2–10.4, on the next page, explains how.
As needed, configure Windows XP machines to connect to the printer; Add a Shared USB Printer in Windows XP, later in this ...