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01-23-2011 10:08 AM
I have an out of warranty HP Photosmart C7180 that won't print in black. I have cleaned the printhead; changed the black in cartridges twice and have had three failed alignments. According to my manual the print sensor must be the problem, but how can that be if I can print in color?
I have tried the remedy of a thin wire into the two small ink receptacles and of course have turned the printer on and off and set back to factory defaults.