Richard, thank you. It turned out that the problem is in HPLIP and not in the AppArmor protection of CUPS. Please return your configuration to the original state with
sudo aa-enforce cupsd -- system-config-printer fails to automatically configure a printer https://bugs.launchpad.net/bugs/147369 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
