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OfficeJet Pro 6968 leaving black horizontal lines when printing photos

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HP OfficeJet Pro 6968 Allin One
macOS 10.15 Catalina

HP OfficeJet Pro 6968 All in One prints black lines on photos and smears. Also has jammed twice. I was able to remove the paper. Printer seems more noisy.

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Welcome to the HP support community.


Did you make a copy and check if that prints fine?


If not,Print a Print Quality Diagnostic Page

  • Load plain white paper in the input tray.

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

  • Open the Reports or Tools menu.

  • Touch Print Quality Report.

If the issue persists in a quality report, follow the below steps,

Try the steps mentioned in this HP document to fix the issue:- Click here


Let me know how it goes.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.


I am an HP Employee

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