Ok, let me start by explaining my situation, we've recently switched the PC's in the house for brand news iMac's and Macbook's and we want to keep using our old printer (HP 720C). I installed these drivers (http://www.linuxfoundation.org/en/Op...MacOSX/pnm2ppa) and the printer is working. The thing is, there's no configuration available so I can't choose between Econofast, Normal or Best print. Searching at google I found this page that explain how to do those...