I have HP DeskJet 812C, and I was out of ink for awhile, both color and black, so I decided to throw the empty cartridges away. Now I have bought a new black ink cartridge, but since the color cartridge slot is empty, the blinking light is telling me that I am out of ink, and therefore refuses to print anything, including B&W documents. I do not wish to buy a new color ink catridge merely to get the black ink working. Is there anyway I can still print without there being a color ink cartridge inside the printer? Any suggestions would help.

... and yes, I am very poor indeed and I do not wish to buy a color ink cartridge :X
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