Hi and welcome!
I don't know much about USB wireless adapters, but Bluetooth shouldn't be to much of a problem. It usually Just Works(TM). Have you installed the BlueZ package (or did Ubuntu include this in the install)??
Just look in the add/remove software entry and search for 'blue'. That should get you started.
Printing is a bit different in Linux. You use your browser as interface. Try clicking the link below when the printer is plugged in to your machine and turned on.
cPanelŽ <=link to printer