We have been tracking an issue that prevented some users of OSX Snow Leopard 10.6 (and some OSX Lion 10.7 that upgraded from 10.6) from printing when using iOS6. It was not easy to reproduce but we manage to pull it off.
We also added the ability to disable the automatic check for new version of AirPrint Activator. Some users have requested we add this feature and we are happy to report that it is now available:
As usual you can grab a copy of the latest version on the main page of AirPrint Activator.