'Printopia' and 'FingerPrint' Bring AirPrint Functionality to Shared Printers
Last week, it was revealed that Apple had pulled support for using the forthcoming AirPrint wireless printing functionality for iOS 4.2 devices to print to printers shared on PCs and Macs, restricting the feature to a handful of HP printers supportin...
http://www.macrumors.com/2010/11/18/printopia-and-fingerprint-bring-airprint-functionality-to-shared-printers/