HP 79 Service Error
What it means
A firmware-level error, most often triggered by a corrupt print job or an out-of-date firmware version rather than failed hardware. Turning the printer off, clearing the print queue, and updating the firmware resolves a large share of cases.
Guides that cover this kind of fault
A guide written for 79 itself is still being checked against the manufacturer's documentation. These cover the same underlying problem and are filed under printer not printing.
- Printer Printing Slowly: Why It Happens and How to Speed It UpA slow printer is usually caused by high print quality settings, a congested wireless network, or a corrupted print spooler. Change your print...
- Printer Paused Status: How to Resume Printing in WindowsTo fix a printer stuck on paused, open the Windows print queue settings and select Resume Printing from the printer menu. If it pauses again, restart...
- HP LaserJet Not Printing: Causes and FixesTo fix an HP LaserJet that will not print, clear stuck jobs from the Windows print queue and restart the print spooler service. If the issue persists,...
Common questions
What does the 79 error mean on a HP printer?
A firmware-level error, most often triggered by a corrupt print job or an out-of-date firmware version rather than failed hardware. Turning the printer off, clearing the print queue, and updating the firmware resolves a large share of cases.
Is the 79 error serious?
It is worth attention but not alarm. Switching the printer off, unplugging it for a minute and checking for anything physically in the way resolves a large share of cases before anything else is needed.
Different code or problem?
Switch off and unplug a printer before reaching inside it. If a fault involves the power supply or internal electronics, or the machine is under warranty, contact the manufacturer or a qualified technician. Full disclaimer. Brand and code names are trademarks of their owners; PrinterFixUp is independent and unaffiliated.