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    blog address: https://www.printer-techsupport.com/blog/how-to-fix-hp-officejet-pro-6978-not-printing-black

    keywords: HP OfficeJet Pro 6978 Not Printing Black

    member since: Oct 31, 2022 | Viewed: 650

    How To Fix HP OfficeJet Pro 6978 Not Printing Black?

    Category: Academics

    Here are simple steps of how to fix hp officejet pro 6978 not printing black : Remove Cartridge Blockage You can face some problems with the printer head vent. This can be the reason for your blockage and that is why your printer may not be printed in black.


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