HP Photosmart Premium c309g Driver Download or HP Photosmart Premium All-in-One Printer C309g Software & Drivers
OS: Windows 7 (32-64 bit), Win Vista (32-64 bit), Win Xp
HP Photosmart Premium c309g Full Download
HP Photosmart Premium c309g Basic Download
OS: Mac OS X v10.4, v10.5 and v10.6
HP Photosmart Premium c309g Full Download for Mac
We can still use c309g printer with iPad. All we need to do is install HP iPrint app in iPad and use it for printing provided printer should be connected in wireless.
iPrint – iPhone, iPad, iPod
iPrint – Windows mobile, Nokia, Android
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01931972&cc=us&dlc=en&lc=en&jumpid=reg_R1002_US
Regarding AirPrint, visit the following link for the supported printers as of now and how to use it: