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‎05-23-2024 11:41 PM

HP Recommended
Product: HP LaserJet Pro 400 Printer M401dw
Operating System: Microsoft Windows 11

Hello-Ever since I upgraded my router with Xfinity, my HP printer stopped connecting to the wifi. Xfinity says it's not a wifi router issue but a printer issue. Hard to believe since it worked prior to the upgrade. I am getting an error message when trying to connect to the wifi.  "79 Service Error" Turn off then on.  It just keeps cycling to this error even after I set up the connection. Has anyone had this issue? I have a HPLaserjet Pro 400 wireless duplex printer.

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