I can reproduce the notification just by doing "systemctl restart cups", so perhaps it is related to the logrotate job restarting cups?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869981 Title: Printer notification every day at midnight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1869981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs