can you run the command dpkg -l | grep hplip
in a terminal window? Is a package named "hplip" installed? -- Backend /usr/lib/cups/backend/hp does not exist! https://bugs.launchpad.net/bugs/636887 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
