downloading info from mac book pro ver 10.7.5 to ipad via dropbox no problem however when uploading info to mac from ipad, it is hit and miss even if strong connection on both mac and ipad.
using wireless network from a hotel room uploading info from ipad to mac book pro ver 10.7.5 via printopia i was not able to connect to the mac book but the info connected to an adjorning room. everything seemed hooked up properly.
MacBook Pro, Mac OS X (10.7.5)