The print dialog box is generated GTK. The Printers system setup dialog is probably generated by Qt.
Stop cups: systemctl stop cups Which entry remains in the GTK print dialog box? I would guess - the first one. Therefore cups is not involved in its display. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931612 Title: Print dialog box shows same printer twice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1931612/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs