It's easy...first, you must have the printer shared. Goto Printers and faxes and right click on your printer. list will come up and choose sharing...enable printer sharing, it will ask you to name the printer and I usually just leave it to the default name. Thats it...your printer is ready to be used throughout the wireless network...one thing though, the computer that has the printer connected must be on in order to be used by another computer.
Now, on the other computers to get them hooked up to that printer...you must go into Printer and faxes and click add a printer. Choose Network printer. Next browse for the printer...the printer you enabled sharing on should come up in the list...just select it and voila!!! your done. If for some reason you can't see the printer it's because you have not setup a network...but that is easy to do...