I confirm the same bug on own PC : Fresh install ubuntu-gnome 16.04.1 updated with Gnome 3.20 from ppa:gnome3-team/gnome3-staging
Jan 4 16:09:08 PC systemd[1]: Started CUPS Scheduler. Jan 4 16:09:08 PC colord[1309]: (colord:1309): Cd-WARNING **: failed to get session [pid 8407]: Aucun périphérique ou adresse Jan 4 16:15:09 PC gnome-settings-daemon.desktop[2008]: (gnome-settings-daemon:2008): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_Color_LaserJet_MFP_M476dn Jan 4 16:43:23 PC systemd[1]: Started CUPS Scheduler. Jan 4 16:43:23 PC colord[1309]: (colord:1309): Cd-WARNING **: failed to get session [pid 8945]: Aucun périphérique ou adresse Jan 4 16:49:25 PC gnome-settings-daemon.desktop[2008]: (gnome-settings-daemon:2008): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_Color_LaserJet_MFP_M476dn -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1635715 Title: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_LaserJet_1020 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1635715/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs