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HP Recommended
ENVY 7640 printer
macOS 10.14 Mojave

The screen on my all-in-one ENVY 7640 printer (circa 2017) will display the "Paper Jammed" error message, and so I cannot print or copy anything. Scan seems to work fine since it doesn't require printing. I have tried taking apart the whole thing, removing all paper, and it appears that NOTHING is jammed. I've read so many articles about trying to fix a paper jam, but I really do not think it's that. I am wondering why this error message would display incorrectly and how to fix it. Any thoughts? Anyone else experience this issue?

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