My HP Photosmart D7160 printer is about 30 months old. Suddenly it won't print in black, even though I have changed cartridge twice in an effort to remedy the problem. The other 5 colours are OK. I have tried all suggested remedies, aligning printheads, printing a diagnostic and a sample page, etc, but still no black ink. Any suggestions out there, please? Apart from buying a new printer? Frank.
installing officejet 5610. Donlt have disk for installation and list of copiers does not list 5610....
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installing officejet 5610. Donlt have disk for installation and list of copiers does not list 5610. What model would be compatible?