Ubuntu 12.10 64 bit HP G85 installed automatic but no printing
 

The HP G85 is installed, it says printing and printing ready. But nothing happens ! Communication error 5012

Don't keep all the details to yourself if you want help.

You're on WHICH distro using WHICH printing setup. Your printer is WHICH type, ... driver ...firmware...etc.
What happens exactly when you try. Error where from what? Most mistakes have already been made and we're willing to share experience.