I have been trying to GET my printer to work on black ink bacause the other COLORE have run out EXEPT the black ink. I have change my setting to get the priter to print black only but still the message comes up with buying a NEW ink. Any others Information Please Help ME.Do you have a seperate black ink cartridge? Some PRINTERS mix the 3 colours to create black, albeit a dark grey black.Yeah I have 4 seperated ink black and others three colour