E [13/Aug/2013:09:06:29 +0100] Unknown directive SystemGroup on line 3 of /etc/cups/cupsd.conf.
W [13/Aug/2013:09:06:30 +0100] failed to CreateProfile: org.freedesktop.ColorManager.AlreadyExists:profile id 'Deskjet-F2400-series-Gray..' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateProfile: org.freedesktop.ColorManager.AlreadyExists:profile id 'Deskjet-F2400-series-RGB..' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateDevice: org.freedesktop.ColorManager.AlreadyExists:device id 'cups-Deskjet-F2400-series' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateProfile: org.freedesktop.ColorManager.AlreadyExists:profile id 'Samsung-SCX-472x-Series-Gray..' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateDevice: org.freedesktop.ColorManager.AlreadyExists:device id 'cups-Samsung-SCX-472x-Series' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateProfile: org.freedesktop.ColorManager.AlreadyExists:profile id 'Samsung-SCX-472x-Series-Gray..' already exists
W [13/Aug/2013:09:06:30 +0100] failed to CreateDevice: org.freedesktop.ColorManager.AlreadyExists:device id 'cups-Samsung-SCX-472x-Series' already exists
E [13/Aug/2013:09:06:30 +0100] Failed to update TXT record for HP Deskjet F2400 series @ JohnDesktop: -2
E [13/Aug/2013:09:06:30 +0100] Failed to update TXT record for Samsung SCX-472x Series @ JohnDesktop: -2