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Poor print quality Magenta HP Office Jet Pro 6970 All-in-One

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HP Office Jet Pro 6970 All-in-One
Microsoft Windows 10 (64-bit)

I use official ink cartridges via the Instant Ink Program. Despite following the ink cleaning procedure (untill intensive/depth cleaning) twice, the testpage keeps giving strips in the magenta range. Cyan and Yellow are OK. I even replaced the Magenta unit for a new one but thisone keeps giving stripes as well! Is this a production problem?

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@Milus, Welcome to the HP Support Community!


I understand the print quality is not satisfactory and the Magenta produces stripes on the printout. I appreciate your efforts in trying to resolve this issue by performing the necessary troubleshooting steps.


Make sure you have tried the steps mentioned in this document - Black or Color Ink Not Printing, Other Print Quality Issues


As the issue persists even after replacing the ink cartridge, we can conclude that the issue is with the printhead of the printer. Please reach out to the HP Technical Support team in your region regarding the service/replacement options for your printer. 

You may create a case on the website to obtain a case number if required. Kindly watch this video to know how.


Keep me posted for any other assistance.


Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

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Have a great day! 

I am an HP Employee

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