How to Fix Rid Of Service Error 79 On the HP LaserJet Pro 400? | HP Technical Support Number

HOW TO FIX RID OF SERVICE ERROR 79 ON THE HP LASERJET PRO 400?
What you will need:
Internet Access
Admin Account (for the computer/s)
Phase 1:
Switch off the HP LaserJet Pro 400
printer.
Check and Remove print jobs
from all the computers that have
access to your network printer.
In the domain network, check
who owns each print job in See
What’s Printing box.
Log in to each of those accounts
and try to remove them from the
domain network.
If you still cancel the print jobs via
specified accounts, remove and add
the HP LaserJet Pro 400 from the list
in ( Devices and Printers) .