I can change my wifi network on my HP DeskJet 2630. But I have to enter an admin username and password on the Embedded Web Server (EWS) website of the printer. I already reset the WiFi network and can connect with the default WiFi of the HP printer to install a new wifi network with, for example, my iOS device. Also tried the HP Smart app.
I don't know what the admin password is. I tried all I know.