Is there a way to "connect" a printer to a laptop without plugging more cords into the laptop?

As it is now we have a G5 set up in the living room with a printer and my MBP is connected through a wireless connection. Whenever I want to print I have to turn on the G5 and this gets kind of annoying sometimes. Is there a way to make the printer active when my MBP is on (and not the G5)? Make my MBP the primary computer maybe? Hopefully without plugging in more cords to my laptop…

Sorry if this is a stupid question.