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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- HP 179fnw error u1-2320

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07-17-2023 08:27 PM
Hi @compart1,
Welcome to the HP Support Community.
I'd like to help!
The fuser is the component in the printer that bonds the toner to the paper by heating up. The error code indicates that the fuser temperature is abnormal. In most printers, this error is caused by a failure of the fuser but there exists the possibility that the power supply is bad. In our shop, our first thing to try would be a fuser unit.
You may also refer to this document for further assistance.
Hope this helps! Keep me posted for further assistance.
Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
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