Thanks Afshan, after updating, when I start hplip in GUI mode, it says "No system tray detected on system. Unable to start."
So now the appindicator icon doesn't show up at all. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to hplip in Ubuntu. https://bugs.launchpad.net/bugs/1734727 Title: Menu doesn't show up in Ubuntu gnome-shell appindicator when clicked Status in HPLIP: In Progress Status in hplip package in Ubuntu: New Bug description: BEHAVIOR When I left-click or right-click on the HP menu in the top right of the Ubuntu 17.10 top bar, the menu doesn't appear. STEPS TO REPRODUCE (1) open a terminal (2) type "sudo apt install hplip-gui" (3) open HP toolbox (4) Restart PC (4) After restart, try to left or right-click the hp icon in the appindicator menu at the top-right. EXPECTED BEHAVIOR For the menu to appear when you left or right-click it (probably left-click) BUG DISCOVERED USING HPLIP Software vertion 3.17.7 Ubuntu 17.10 x64 GNOME Shell 3.26.1 Linux kernel 4.13.0-17-generic To manage notifications about this bug go to: https://bugs.launchpad.net/hplip/+bug/1734727/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp