The "add printer" requires a download to your PC, which was strongly questioned by Security and not recomended (no signature).
Taking a chance, it seems to run fine using iOS 5.1.1., but is a little ackward - files have to be copied back to "ActivePrint" and then printed.
Taking a chance, it seems to run fine using iOS 5.1.1., but is a little ackward - files have to be copied back to "ActivePrint" and then printed.