We found the solution for our problem: The ppd of the printer violated RFC 8011 section 5.1.4 on some attributes. Therefore get-printer- attributes returned an error for some attributes and version 2.0.0-0ubuntu7.1 now removes the printer:
++ // Check if the response is valid ++ if (!ippValidateAttributes(response)) ++ { ++ ippDelete(response); ++ response = NULL; ++ } ** Changed in: libcupsfilters (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2089231 Title: libcupsfilters2 2.0.0-0ubuntu7.1 ignores printers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libcupsfilters/+bug/2089231/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs