Closing this bug since the reported indicated that he was working with a broken system and a reinstall solved it.
** Changed in: gnome-cups-manager (Ubuntu) Status: Needs Info => Rejected -- Printer not detected HP no_device_found https://launchpad.net/bugs/49366 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs