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Printer says "unknown error" when trying to use apps inside my printer The apps used to work. Now they don't. WHAT HAPPENED?????
Welcome to the HP support community.
Which app are you trying to use?
Perform a power reset
Update the printer firmware
Here are the steps:- Click here
I hope that helps.
To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.
Sandytechy20 I am an HP Employee
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