You could also try to replace your /lib/udev/rules.d/56-hpmud.rules by the one from Xenial or at least to comment out the line which modifies dll.conf.
** Changed in: hplip (Ubuntu) Status: Triaged => Fix Released ** Also affects: hplip (Ubuntu Trusty) Importance: Undecided Status: New ** Changed in: hplip (Ubuntu Trusty) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1560388 Title: hpaio entry added automatically to /etc/sane.d/dll.conf To manage notifications about this bug go to: https://bugs.launchpad.net/hplip/+bug/1560388/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs