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HP 6960 prints no cyan

HP Recommended
Officejet 6960
Microsoft Windows 10 (64-bit)

I replaced an empty cyan-cartridge accidentally with an cartridge which was left from a former Printer I owned (364 instead of 903). The printer came up with an error message and i should replace the cartridge which I did. but now - with a new and right one - the printer seems fine, shows a full cyan, but when I print the blue color is missing. I already cleaned the head for several times and sometimes thin blue lines appear on the paper but thats all. did I kill the print head with the wrong cartridge or is there some hope? any suggestions?

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HP Support Agent
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@WoKa70

Welcome to HP Forums, 

This is a great place to get support, find answers and tips to your technical queries.

 

Clean the printhead

 

The printhead could be clogged, and you might need to clean the printhead several times to restore print quality. Use an automated tool from the printer control panel to clean the printhead.

   CAUTION:

Never turn off the printer when ink cartridges are not installed. To avoid issues that require cleaning the printhead or that can damage the ink system, always replace ink cartridges as soon as possible, and always turn off the printer using the Power button.

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

  2. Open the Printer Maintenance menu.

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

    A test page prints.

    Example of the printhead cleaning test page

  4. 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.

    • If the print quality is acceptable, touch Done.

Continue to the next step.

 

Print another Print Quality Diagnostic Page

 

Print another Print Quality Diagnostic Page to examine the color blocks in Test Pattern 2 again.

  • If there are no defects in Test Pattern 2, continue to the next step.

  • If there are defects in Test Pattern 2, clean the printhead again.

  • If there are still defects in Test Pattern 2 after a second printhead cleaning, you can try to clean the printhead a third time

 

Keep me posted, how it goes!

If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!

Have a great day!

Cheers:)

Raj1788
I am an HP Employee 

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Well, I did the 3-phases headcleaning procedure for 5 times now and it did not make it significantly better. There are only a few very thin and lite blue lines on the paper.  Does it make sense to try it several more times?

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@WoKa70

Thanks for the reply,

 

Appreciate all your time and efforts.

 

You can definitely try the cleaning again to get the issue fixed.

 

If the issue persists, I have sent you a private message, to contact HP Phone support depending on the product that cannot be shared in a public post.

Can you please check your inbox on the forums page for the private message.

 

Have a great day!

Raj1788
I am an HP Employee 

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Well, cleaning the head again 2 more times changed nothing. I replaced the cartridge and did the whole cleaning process one more time and even that changed nothing

 

Greetings

 

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@WoKa70

Thanks for the reply,

 

Appreciate all your time and efforts.

 

As suggested, I have sent you a private message, to contact HP Phone support depending on the product that cannot be shared in a public post.

Can you please check your inbox on the forums page for the private message.

 

Have a great day!

Raj1788
I am an HP Employee 

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