@jo1008
Welcome to the HP support community.
I understand that your printer is printing unexpected text, I am glad to assist you.
Reset the printer
Resetting the printer can often resolve printing issues.
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With the printer turned on, disconnect the power cord from the printer.
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Unplug the power cord from the power source.
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Wait 60 seconds.
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Reconnect the power cord to a wall outlet and to the printer.
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NOTE: HP recommends plugging the printer directly into a wall outlet.
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Try to print.
Download and run HP Print and Scan Doctor
Download and run HP Print and Scan Doctor to automatically identify and resolve the issue.
Try to print.
Refer to this HP document for further assistance:- Click here
Keep me posted.
If this helps, please mark the public post as an accepted solution so that it benefits several others.
Cheers.
Sandytechy20
I am an HP Employee