Thank you for the update. The missing application that it downloads is "lipo" (an XCode related app). I did run into one problem on my iMac related to starting the "MP Navigator". It seems that it would start fine if launced from the Applications d...
I can print on Mavericks using the earlier driver (as others have mentioned). However, the earlier MP Nav for scanning still did not work. Since I already have VMWare Fusion running on my iMac, I downloaded the latest MP Nav for Windows, pass thru ...