The URL may not work because it is giving the US URL for a FujiXerox Product. You may need to go to the Support page for your country and search for How to connect to Wifi in the search field for your device model.
I searched our online Knowledgebase and found this solution on setting up Wifi that may help get you reconnected.
so for a year or so, my printer has been working normally with my router but one day it randomly disconnected. When I try to connect my printer to my router through WPS again, they don't connect for some reason. I've noticed that this time around, there is a cross or an X, next to the wifi symbol on the printer. Could that be the cause? I don't know how to get rid of it, so please help. Thanks :)
And here's a photo of the symbol -