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‎04-05-2021 04:24 PM - edited ‎04-05-2021 04:27 PM

HP Recommended
Product: M402n

FIXED!  

I wanted to post the fix that worked for my Laser Jet Pro with service error 79.

1.  Unplug everything from the printer (not just the power cord).   
2.  Disconnect the power from your modem.  Wait 30-60 seconds and reconnect power to modem.  
3.  While the modem is coming back up, reconnect the power cord to the printer and make sure the printer is powered OFF.  

4.  Reconnect any additional items that were on your printer.  
5.  Turn printer power ON and resume your enlightened life.  

Hopefully this works for you.  It was my last ditch effort after HP support told me I would have to take my printer to their service center.   

Please note:  I am not an HP pro and am not affiliated with HP in any way.  

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