Get a print server.
With a printer server your machines share it, but, you don't have to turn on the "base" computer, as the printer is shared, and always on since it is connected to your router/switch via the <a href="http://www.newegg.com/app/viewproduct.asp?DEPA=1&submit=Go&description=print%2Cservers">printer server</a>. I assumed you have an always on broadband router.