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Ron1970
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Color printing issue

OfficeJet Pro 6978
Microsoft Windows 10 (64-bit)

All of a sudden the colors when printing are incorrect. Things that are supposed to br red print as red & orange with lines in it. My cartridges are still 1/2 full.

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HP Support Agent
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Message 2 of 6
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Color printing issue

@Ron1970 Welcome to HP Community!

 

I understand that you are unable to print in color.

 

Do not worry. I will try to fix the issue.

 

  • Did you make a copy and check if that prints in color?
  • Which operating system is installed on the computer to which this printer is connected?

Meanwhile:

Print a Print Quality Diagnostic Page

  1. Load plain white paper in the input tray.

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

  3. Open the Reports or Tools menu.

  4. Touch Print Quality Report.

    A Print Quality Diagnostic Page prints.

    Example of the Print Quality Diagnostic Page

You can refer to this HP document for more assistance:- Click here

 

Keep us posted,

If you would like to thank us for our efforts to help you, 


Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post, 


Have a great day!

 

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Ron1970
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Message 3 of 6
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Color printing issue

Ran the print quality report. The red & yellow area in Test pattern 2 are streaky with blank lines. I have cleaned the print heads & done an alignment twice already.

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HP Support Agent
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Color printing issue

@Ron1970

 

Thank you for the update.

 

Please replace the magenta and yellow ink cartridges and check for the issue.

 

Have a nice day!!

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Ron1970
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Message 5 of 6
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Color printing issue

Swapped out all 3 color cartridges, even though old ones still had 1/3 in them. Still color not printing right. Cleaned the heads again, still bad. attached are 2 photos of the print samples.

20200131_202847.jpg20200131_202842.jpg

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HP Support Agent
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Message 6 of 6
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Color printing issue

@Ron1970

 

Appreciate you trying the steps. I'd suggest you Contact HP in your region regarding the service options for your printer. 

 

Thanks! 

Asmita
I am an HP Employee

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