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HP Photosmart C7280 will not print black ink.

HP Photosmart C7280 All-in-one
macOS 10.14 Mojave

My printer will not print black ink. Color printing is fine (as long as there's no black), and my black ink cartridge is the same age as my color print ones (very new). I have taken the cartridge out and tested to make sure the cartridge and the cartridge slot didn't have any dried ink on them (ran pins through). I have run diagnostics to clean the printheads multiple times to no avail. I think it's a printhead problem... but I cannot find a way to access the printhead manually. Please help! Thank you!

HP Support Agent
HP Support Agent
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HP Photosmart C7280 will not print black ink.



I have gone through your Post and I appreciate all your efforts and expertise in troubleshooting this issue


At this point I suggest you contact HP Support for Service Options


Click on this link - and select your Country to get the Contact details for HP Support


Thank you


If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.

I Am An HP Employee

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