My HP3721 is trying to connect to a wifi that no longer exists. How do I change the wifi it's set on

[Mum5]

HP3721. Have changed internet provider and now need to change the wifi setting that the printer was originally set up on. I can't find the information on how to do this anywhere.

[Sneha_01]

Hi @Mum5,

Welcome to HP Support Community.

Thank you for posting your query, I will be glad to help you.

I understand you are not able to connect the printer to the new network. Follow the steps mentioned in this document - Connecting an HP Printer Using Wi-Fi Protected Setup (WPS)

• Make sure the printer and the PC are connected to the same wireless network. Either 2.4 or 5GHz network.
• If you have a Dual-band router and both 2.4GHz and 5GHz networks share the same name/SSID, the printer will not be able to connect to the network. In this case, contact your Internet service provider to assign different names to both networks.
• This printer supports WPA encryption. Check if the router supports the same. 
• Also, the printer cannot be connected to a guest/university network. It has to be a personal router.

I hope this helps.

Take care and have a good day.

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Rachel571 

HP Support