First of all, you need to have the Bonjour service installed. This is a service to discover printers on your network, and then makes them available for your iPad 2 to use. Information about the Bonjour service, including the download, can be found
This article shows you how to print to any printer on the local network from an iPad2 that is not AirPrint enabled. By default, the iPad 2 gives you the ability to print to any AirPrint-enabled printers on your WiFi network, the list of which can be found here
. However, if you already have a printer on your network that is not AirPrint-enabled, you can still print to that printer by setting up your Windows computer to run AirPrint. Your iPad 2 sends the print job over the WiFi connection to your windows machine, which then passes the job to the printer you select. You don't need to have a wireless printer, just a printer installed on the network. This article will take you through setting up your Windows machine to allow the iPad 2 to print to any printer on your network.