Issue: HP M1212nf AiO scanner not seen on Mac OSX Lion Symptoms: Installations ends claiming you do not have administrator rights, Printer – Works fine, Scanner – Is not recognised within OS HP Said: The full feature drivers for your printer are not yet...
Important!
Make sure you backup your data and system before carrying out any steps noted here!
These steps have worked for me, but I cannot guarentee they will work for you!