HP Officejet Pro 6960 won't print black ink despite buying new cartridge and cleaning printhead

[Vic2011]

HP Officejet Pro 6960 won't print black ink despite buying new cartridge and cleaning printhead. Ive put old one back in, then new one, turned off, turned on and noting works. 

The screen that shows ink levels on the display shows a full black but it won't print black

[Dragon-Fur]

@Vic2011 

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After you have completed the known solutions

Black or Color Ink Not Printing, Other Print Quality Issues

Next, see here:

HP OfficeJet Printers - 'Incompatible' or 'Defective Cartridge' message

This document applies only to these HP OfficeJet and OfficeJet Pro printers that use HP 910, 912, 914, 915, 902-905, or HP 935 ink cartridges:

• HP Officejet 6810, 6820, 6950, 6960, and 8010 printer series
• HP OfficeJet Pro 6230, 6830, 6960, 6970, 8020, and 8030 printer series

Printer  Home Page - References and Resources – Learn about your Printer  - Solve Problems

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When the website support page opens, Select (as available) a Category > Topic > Subtopic

HP OfficeJet Pro 6960 All-in-One Printer series 

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[Vic2011]

Hello I have tried everything that you have suggested full stop all of the alignments look fine as do the colours it's just simply that the black ink doesn't print out on them

 

[Dragon-Fur]

@Vic2011 

That is unfortunate.

The only other solution I have to offer is the second one from my first message - that is, see if you can get replacement ink from HP.

Repost:

➡️  HP OfficeJet Printers - 'Incompatible' or 'Defective Cartridge' message

This document applies only to these HP OfficeJet and OfficeJet Pro printers that use HP 910, 912, 914, 915, 902-905, or HP 935 ink cartridges:

• HP OfficeJet 6810, 6820, 6950, 6960, and 8010 printer series
• HP OfficeJet Pro 6230, 6830, 6960, 6970, 8020, and 8030 printer series

Stay Safe.

Thank you for participating in the HP Community.

The Community is a separate wing of the HP website - We are not a business group of HP..

Our Community is comprised of volunteers - people who own and use HP devices.

Click Thumbs Up to say Thank You.

Question Resolved / Answered, Click "Accept as Solution"

[Vic2011]

I have replaced the colour ones and they work fine. This is the second black one i have tried

[Vic2011]

The link you have posted suggest defective colour cartridges as opposed to black. Does that matter? 

[Dragon-Fur]

@Vic2011 

Might matter.

There is a known issue with cartridges for the listed types and printers.

It has been going on for a while.

It might still be a "thing".

If your cartridge(s) are impacted, it is worth checking to see if you can get a replacement.

Thank you for participating in the HP Community.

The Community is a separate wing of the HP website - We are not a business group of HP..

Our Community is comprised of volunteers - people who own and use HP devices.

Click Thumbs Up to say Thank You.

Question Resolved / Answered, Click "Accept as Solution"