Currently Being ModeratedJan 18, 2013 2:15 PM (in response to Enfieldclipper)
You connect the printer to your Router using WiFi. The router will give the printer an IP address then you add the printer to the Mac in Print & Scan as a Networked Printer.
Currently Being ModeratedJan 18, 2013 2:18 PM (in response to Enfieldclipper)
Please carefully read Apple's instructions in:
The instructions are very straight forward, assuming your printer is Wi-Fi compatible and is designed to work with OS X Mountain Lion connecting it should be very simple to do.