An alphanumeric code, such as HP Printer 79 Service Error, indicates proper control and is also used to indicate an ink system failure error. The ink device failure error message can include an alphanumeric code, or the alphanumeric code may appear without any input at all.
In an HP Printer, 79 Service Error is essentially an ink system malfunction. Typically, this error code appears in the computer’s control panel. We’ve compiled some of the most likely causes as well as the best possible remedies for you in this post. Read them carefully and find a solution to your recurring HP printer issue.
The HP Printer 79 Service Error is a failure of the ink device error that occurs in the Printer Control panel. The error can be caused by a variety of factors, including incorrectly mounted printer cartridges, low printer cartridges, poorly vented or damaged printer cartridges, and infected virus/system data, among others.
Fix 1: Turn off then Turn on after 10 Seconds
Your HP Printer comes with an “On“/”Off” switch button. Press this switch.
Wait for at least 10 seconds.
Press the switch to turn on your HP printer.
Now, check whether this fix helped in troubleshooting the HP printer error 79.
Fix 2: Power off and Power Cycle Your HP Printer
Power off your HP printer.
Waiting for 30 seconds is the second step.
Power on your HP printer and let it initialize.
Take off the surge protector in case you are using it. Then directly plug in your device in the socket.
Power on your HP printer.
Check for the HP printer error 79 now.
In case the error has not been fixed, detach the USB or network cable.
Now, opt for power-cycling your HP printer. You should see “Ready” on the display. Then you can ensure the version of the firmware and upgrade to a new one, in case it is available.
Then check for the HP service error again. If it has still not been solved, then remove each print job for your HP printer.
Lastly, print a test page.
Hope This Helps,
Peter