Started printing fuzzy in color - clear in Black & White. Wouldnt align. Tech support diagnosed faulty hardware issue. I switched to Black and White only until I ran out of black ink. Printer automatically switched to single cartridge only and began printing with color ink - fuzzy. When I replaced the black ink cartridge with a new one, the printer stayed in single cartridge mode and I get symbols that indicate that a black cartridge is not installed. I went through the "clean cartridge" ritual with both, shut the printer for 30 minutes, ran the diagnostics in the printer folder, etc. but it stays in single cartridge mode with two new cartridges installed and doesnt recognize the presence of the black ink. I need to print only in B&W. How do I fix this ??
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