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- HP Community
- Printers
- Printer Wireless, Networking & Internet
- Network connection on my HP ENVY 4520 All in One Printer

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01-29-2022
08:55 AM
- last edited on
02-01-2022
05:00 AM
by
Ric_ob
I have an HP ENVY 4520 All in One Printer that has stopped connecting wirelessly and is therefore offline. It can't find my broadband network. I ran the HP doctor software and disconnected and then reconnected the USB printer/computer connection to enable the network details to be obtained from the computer by the HP software. I then tried to re-input the network details into the printer via the printer's screen, but this time it came up with an error code OXOO76CD51 UI-MAIN-MEM C. Without the wireless connection the printer cannot communicate with HP instant-ink and therefore I won't get the required ink deliveries that I am paying for!
02-07-2022 08:40 AM
Welcome to the HP Support Community.
Let's reset the network settings on the Printer:
Go to the setup menu>Tools>Restore Factory Defaults
Once done, connect the Printer back to the Wi-Fi: 1. From the printer control panel, touch ( Wireless ). 2. Touch ( Settings ). 3. Touch Wireless Setup Wizard. 4. Follow the display instructions to complete the setup.
Let me know if this helps.
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Thanks!
Have a great day!
I am an HP Employee