Here is the latest information bringing you from Apple where some additional info about AirPrint was provided for the user. Now user can add printing support to app becomes more easier. You can simply supply a button for the user to initiate printing, prepare your composition in an appropriate format and next create and send a print job to the iOS print system when the user requests it.
Also you can test with a printer that supports AirPrint. HP ePrint printers are the first to support AirPrint. You can tryout printing from your app to one of these printers like HP Photosmart Premium Fax e-All-in-One Printer series – C410, HP Photosmart Premium e-All-in-One Printer series – C310 and HP Photosmart Plus e-All-in-One Printer series- B210
Moreover, you can analysis printing with one of these options with Mac running Mac OS X 10.6.5 beta and the Printer Simulator from iOS 4.2 beta
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