This tutorial teaches you how to AIRPRINT to non-airprint printers from iPhone, iPod, iPad. This is accomplished by using Windows 7, Vista or XP as an airprint receiver. No need to buy a brand new printer to get the airprint feature.
Download Windows Airprint Installer at
1. How come I can't view the printer on my iPhone?
a .Make sure your iPhone is connected to the same wifi network as your PC.
b. Try restarting your PC.
c. Cancel and try printing again.
2. The printer requires a password.
Enable "Guest Account" on windows. Go to Control PanelUser Accounts and Family SafetyUser AccountsManage AccountsTurn on Guest Account and turn on guest account. You may have to restart your computer.
Still encountering problems?
Here's a link to trouble shooting page: http://jaxov.com/2010/11/download-airprint-installer-for-windows-7-xp-vista/