Printing a document is never as easy as it sounds, and while Apple intended to make it dummy proof with its AirPrint app, they still left out the Mac printer-sharing functionalities which were touted to arrive alongside Mac OS X 10.6.5. Basically, this means you can only take advantage of AirPrint with the unreleased iOS 4.2 would be to purchase a new printer from HP that does have the AirPrint-compatible ePrint function. For those who can’t afford to wait or love going against the grain, the FingerPrint app from Collobos could very well do the trick – it might cost $8 upfront, but can share just about any printer your Mac is able to look for.