Switching router/modem and connecting old devices like Roku, Sonos, network extender?

Could you please confirm your product’s model number?

G34

Most IoT devices connects using the 2.4 GHz network, and they typically work best when the 2.4 GHz encryption method is set to medium.

Please refer to the link below for instructions on how to change the encryption method for the 2.4 GHz network:

https://arris.my.salesforce-sites.com/consumers/articles/knowledge/G34-G36-Unable-to-Connect-to-the-Wi-Fi-Network

Once the encryption method has been updated, check whether the printer is able to connect to the 2.4 GHz network.