Here is a CUPS error log in debug mode when executing a job that was printed with a blue background.
** Attachment added: "CUPS error log" https://bugs.launchpad.net/ubuntu/+source/ghostscript/+bug/1817308/+attachment/5240958/+files/error_log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1817308 Title: GhostScript Update causes Blue Background To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ghostscript/+bug/1817308/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs