I have a Dell 3115cn that refuses to print anything at all unless I replace the cyan toner cartridge. I do not want to replace the cyan toner cartridge ($100). I do not print in color at all. I just want to print in black and white while still being able to copy, scan, and fax. I have set it to non-dell toner, but that has not corrected the problem. I have set all of my computers individually to print in black only, but that has not corrected the problem, the printer insists that I replace the cyan toner cartridge before it will do ANYTHING. There must be a way to set this printer (on the printer itself) to print in black and white only. Thank you for your help.