![background image](https://i.printerdoc.net/HP LaserJet Pro 300 color Printer M351 series/en/HP LaserJet Pro 300 color Printer M351 series_en158.png)
79 Error Turn off then on
Description
The product has experienced an internal firmware error.
140
Chapter 11 Solve problems
ENWW
![background image](https://i.printerdoc.net/HP LaserJet Pro 300 color Printer M351 series/en/HP LaserJet Pro 300 color Printer M351 series_en159.png)
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for
it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the
product power on.
If the message persists, contact HP support.