I've got the exact same printer, and I'm confirming that disabling AppArmor worked for me too.
-- Cannot print on Gutsy Gibbon with HP DeskJet 720C https://bugs.launchpad.net/bugs/155530 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs