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ebrid
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Message 1 of 2
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black ink not printing

HP Officejet pro 6970
macOS 10.14 Mojave

I replaced the hp black ink cartridge with a new hp one.

Now it doesn't print or copy any black.

I didn't change the colours and they continue to print. 

There is one test page - a line of brackets (colours and black) and the black does seem to print that one - but that is the only one. 

Help!

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HP Support Agent
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Message 2 of 2
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HP Recommended

black ink not printing

@ebrid

 

I have gone through your Post and would like to help

 

Please try cleaning the Printhead and let me know if that helps

  • From the printer control panel, open the Setup menu.

  • Open the Printer Maintenance menu.

  • If necessary, open the Tools menu, and then touch Clean Printhead.

    A test page prints.

    Example of the printhead cleaning test page

  • Examine the test page.

    • If the print quality is unacceptable, touch Clean Again to continue the next level of cleaning. If necessary, repeat these steps for the third cleaning cycle.

      Note:If the printhead is badly clogged, it might require another cleaning cycle. If so, wait 30 minutes before you perform all three levels of cleaning again.
Also ensure the printer has the latest Firmware. Link: https://support.hp.com/in-en/document/c02919168
Keep me posted how it goes
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.
 

KrazyToad
I Am An HP Employee

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