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carolusreximp
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Officejet Pro 6978 not printing color

HP Officejet Pro 6978
Microsoft Windows 10 (64-bit)

I've just installed a new set of ink cartridges (902 CMY and 902 XL Black), reset the printer to its factory settings, but it never prints color even in the diagnostic page.  The "Print in Grayscale" is even turned off in the Preferences. Please help, thanks!

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B_Will
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Officejet Pro 6978 not printing color

Run the Printhead Cleaning.

Sometimes you have to run it 3 to 4 times.

 

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carolusreximp
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Officejet Pro 6978 not printing color

It worked, thanks!

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B_Will
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Officejet Pro 6978 not printing color

Your Welcome

Glad to be of help.

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pjroo
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Officejet Pro 6978 not printing color

This solution did not work for me - I tried it over and over (print head cleaning).  I also tried aligning print head.  Nothing.  I am very frustrated.  😞

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