HP Officejet Pro L7580-Will not print black ink after I have replaced cartridge.
I see you have replaced a cartridge and can no longer print black ink. I appreciate the troubleshooting you have done so far, but please take a look at the following document to see if you have done all that can be done; Fixing Ink Streaks, Faded Prints, and Other Common Print Quality Problems.
If the issue persists, I recommend calling HP and letting the know the issue as well as the steps you have already completed. It may be helpful to even let them know you completed all of the steps in HP document #c01957673.
If you are in Canada or US call 800 474 6836, or you can Contact HP Worldwide.
I hope this helps.
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Sunshyn2005 - I work on behalf of HP