Troubleshoot HP Printer: Service Error 79 or 79.00FE

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The message “Service Error 79. Turn Off, Then Turn On” or “Service Error 79.00FE” is sometimes reported by users. For reasons such as a minor error in the printer or outdated printing software, HP printer users may see this service error.

In models such as the HP LaserJet Pro 200, 400, 500, etc., this error is the most common. To fix this service error on HP, we will walk you through different methods based on the fixes. If you see service error 79 on your HP LaserJet Pro 400 printer, you can also explore solutions for this error.

In this HP printer “service error 79” or “service error 79.00FE” post, we will cover the causes and effective solutions to your problem.

What are the causes of HP printer service error 79 or 79.00FE?

After researching this particular issue, it turns out that this problem can occur due to several different documented causes. Here is a shortlist of possible culprits for “service error 79” or “service error 79.00FE”.

Basic Hardware Problem: In some circumstances, this problem may be caused by a hardware problem that a non-technical person cannot fix. In this case, you should contact a live HP agent to help you fix the printer.

Firmware failure: In some cases, this problem may be caused by the printer’s firmware not accepting new print jobs. In this case, turning off the power should automatically fix the problem.

Printer Queue Failure: If the HP printer is connected to a Windows 10 computer, you may see this error due to a queue failure. If this scenario applies, you may be able to resolve the problem by running the printer troubleshooter utility and applying the recommended solution.

Outdated printer firmware: As it turns out, this problem can also occur if your printer is waiting to install an important firmware update before it can resume active print jobs. You can do this manually from the printer menu or through the HP Smart App.

How to Repair HP printer “service error 79” or “79.00FE”



Updated: April 2025

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Reinstalling HP Printer Drivers

  1. Type Control Panel in the Windows search bar and open Control Panel.
  2. Select Uninstall a program and uninstall all software associated with the HP printer.
  3. Right-click on Start and open Device Manager.
  4. Under Printer Queues, remove the HP device by uninstalling it.
  5. Restart your computer and wait for the driver to install automatically.
  6. Reinstall the HP-related software, and hopefully, that will be enough to solve the problem.

Another possible step is to completely remove the printing device from your computer and reinstall it. This approach would require uninstalling both the drivers and associated HP software, which shouldn’t be difficult.

Restart the HP Printer

  1. Turn off the printer.
  2. Wait at least 30 seconds.
  3. Turn the power back on.
  4. Wait for the printer to reboot.

If your HP printer displays this type of error 79, there is probably an internal firmware error.

Contact HP support

If error 79 continues to appear, contact HP support and describe your problem in detail.

Reinstalling DIMM Module

Remove and reinstall the DIMM module

  1. Turn off the printer.
  2. Then remove the DIMM module.
  3. Reinstall the DIMM to make sure it is properly installed in the printer.
  4. Turn on the HP printer.

Remove or replace the DIMM module

  1. Remove all installed DIMMS modules
  2. Retest the HP printer.
  3. If it prints correctly, install a DIMM that your printer supports.



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Frequently Asked Questions

  1. Turn off the printer, wait at least 30 seconds, then turn it back on and wait for it to reboot.
  2. If you are using a surge protector, remove it and plug the printer directly into an outlet.

  1. Turn off error 79, then turn it back on.
  2. Turn off the printer.
  3. Reinstall the DIMM module or Remove the DIMM module and reinstall it.
  4. Reinstall the drivers.
  5. Contact HP support.

  1. Make sure that the printer is turned on. You can also restart the printer and the computer.
  2. Make sure that the printer is connected to your computer or WI-FI network.
  3. Make sure that paper is loaded in the printer and that the printer has enough ink.
  4. If the error still occurs, contact HP printer support.

  1. Change the port settings.
  2. Make sure your printer is connected to the network.
  3. Reinstall the printer driver.
  4. Set the Print Spooler service to automatic mode.
  5. Update Windows.