How to fix HP Printer Error 79??

When attempting to start a printing job on their HP printer, some Windows and macOS customers receive the HP Printer Error 79. This bug has been proven to occur on many macOS generations, as well as on Windows 7, Windows 8.1, and Windows 10.


After studying this particular issue, it was discovered that it can arise owing to several distinct recognized causes.


Because it is a fairly typical problem with HP LaserJets, I stopped over the next day to check things out. The first thing I tried was the troubleshooting instructions provided by HP on the forums, but it did not cure the problem.


As a result, I used my years of experience to try to solve the printer problem. I'll show you how to cure HP Printer Error 79 in this article.


2 Simple Methods that Overcome this Error 79 in HP Printer.


Method #1:

  1. Turn off your HP LaserJet Pro 400 printer.
  2. Examine and delete all print jobs from all machines that have access to your network printer.
  3. In the domain network, look at the “See What's Printing” box to see who owns each print job.
  4. Log in to each of those accounts and attempt to deactivate them from the domain network.
  5. If you continue to cancel print jobs through specified accounts, delete and re-add the HP LaserJet Pro 400 to the list of "Devices and Printers."


Related blog: How to Fix Epson Printer Error Code 0X9A


Method #2:

  1. Start the LaserJet Pro 400.
  2. Ascertain that the printer is linked to the internet. An Ethernet cable should connect the device to your switch, router, or modem.
  3. Tap the “Network” icon on the M401dn control panel/screen.
  4. Examine the printer's IP address. If it shows 192.168.XXX.XXX, you're connected to your home network. Otherwise, if you get anything like 169.XXX.XXX.XX, see this advice.
  5. Return to the home screen and choose the “Settings” icon.
  6. Select LaserJet Update and check for firmware upgrades to ensure you have the most recent.
  7. Continue by clicking the update button. Then, download and install the software.