At the time there were barely a dozen HP printers that supported the service and even though the number has grown and includes a handful of offerings from the major printing companies there are still thousands upon thousands of printers-old and new-that do not support AirPrint. In the fall of 2010 Apple released the iOS 4.2 update that included a host of updated features including support for a new mobile/wireless printing protocol AirPrint. No problem, read on as we show you how to print to older printers. You have an iOS device like an iPhone or iPad, you have a printer, and you want to print things-the only problem is your printer isn’t AirPrint compatible.