HT3771: Mac 101: Printing (Mac OS X v10.6)Learn about Mac 101: Printing (Mac OS X v10.6)
Currently Being ModeratedJul 15, 2013 2:41 PM (in response to LAW60)
A strange as it sounds a printer connected with its USB cable and the same printer connected to your wireless network are two different printers, as far as your Mac is concerned.
Create a new entry for the wireless printer in System Preferences > Print & Scan (also known as Print & Fax in Snow Leopard). This Apple article may help get you started in the right direction: OS X: Connecting a Wi-Fi printer to your Wi-Fi networkMacBooks iMacs iPads AirPorts, OS X Mountain Lion, 28 years Apple!