Wonderful, thank you. I did your tests, and they worked as intended. So I set the printout mode option using the CUPS web interface, and the printer is now printing grayscale as intended.
So this is definitely a gnome-cups-manager problem. -- HP DeskJet 952C ignores color/grayscale settings https://launchpad.net/bugs/74064 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
