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‎08-31-2025 05:31 PM

HP Recommended

My HP officejet pro 6978 won't print any black ink and I checked my black ink cartridge and they're both mostly full. I've tried all the cleaning programs in the printer with no luck

1 REPLY 1

‎08-31-2025 06:05 PM

HP Recommended

I suspect you will have to physically clean the heads.

 


General advice on printhead cleaning is here.
This link shows cleaning the 8600 printhead and removal is shown here.

This is another type of printhead cleaning, different from the above.

Cleaning and removing ink is shown below by our "Scullery" team.

An HP original video on how to clean the printheads by our experts. Yes, this can get messy, but it works. If your ink levels are good but you are printing blank pages then this is likely the solution.

Official HP advice on cleaning. Inkjet and printhead cleaning kits are available

Consumer inkjet printer printheads typically last for several years, with some lasting up to 10 years or even longer. However, the lifespan can vary greatly depending on usage, maintenance, and environmental factors.

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