It appears that the printer is not setup for using the hp:// backend, as such the hp tools will not work.
try removing the printer and follow the steps here http://hplip.sourceforge.net/install/step4/cups/index.html for setting up the printer correctly. Aaron -- hplip cannot find DeskJet 5440 printer, despite CUPS's claims to the contrary https://launchpad.net/bugs/49107 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
