Thanks for your followup. journalctl | grep cups-pk-helper
yields exactly two entries from that day: Nov 26 11:08:22 localhost.localdomain gnome-control-c[27707]: cups-pk-helper: addition of printer 1002 failed: client-error-not-authorized Nov 26 16:33:53 localhost.localdomain gnome-control-c[7361]: cups-pk-helper: addition of printer 1002 failed: client-error-not-authorized I can consistently reproduce this behavior. If I try to add another printer the same error results and yields the journalctl entry Nov 30 07:41:32 localhost.localdomain gnome-control-c[13550]: cups-pk- helper: addition of printer 958_small failed: client-error-not- authorized Is there a way to run cups-pk-helper in a verbose or debugging mode? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1805438 Title: Print settings present two distinct interfaces for adding printers Status in gnome-control-center package in Ubuntu: New Bug description: 1. Running stock 18.04.1 2. gnome-control-center 3.28.2-0ubuntu0.18.04.2 As shown in the first screenshot below, the print settings panel shows an "Add..." in the headerbar as well as "Add a printer..." and "Additional printer settings" in the main area. The first two buttons are highlighted and would naturally seem to be the first options to try, but they didn't actually work. While I was able to browse the list of printers attached to the print server, attempting to actually add the printer ended in an uninformative error message as shown in the second screenshot. On the other hand, "Additional printer settings" launches the old system-config-printer utility which did succeed in adding my desired printer. It is not at all obvious without trial and error which option one should choose to add a new printer. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1805438/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
