On Sun, 17 Apr 2016, Michael Hennebry wrote: > I have an HP Photosmart C3180 All-in-one. > As I haven't had any need for color lately, > when I last replaced ink, I only replaced the black cartridge. > It didn't work, even when printing grayscale-only images, > even when telling print-set-up grayscale-only. To be precise: Black lines were black, but pale gray areas were an even paler yellow. I've just discoverd that the printer does the right thing with text from a pdf. The black ink cartridge is getting used, just not enough. I used HPLIP, but it has been a while, so no details. Before remembering HPLIP, I'd tried to install the printer with just CUPS. It would not print. Using HPLIP, I got a rather long-named queue that would print. The other queue, the one with the name I wanted, will accept jobs, but never finish them. > Is there a way to tell my printer to use only the black ink cartridge. > My test image is a handmade postscript file > that only use setgray to set the color. -- Michael hennebry at web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards