I connected a printer to my Archer C9 router. How can I make it work?

@VaughanM In my experience, problems solve itself when I reset/restart the router either manually or by remote. The only thing is the next time you use it the problem come back which will be solve...

@Kevin_Z Thank you for the reply. To answer your questions: - It used to work before. I been experiencing this quite a while. I far as I can recall this started when I updated from iOS 14.2 to 14.3...

I can't figure out why the tether app for iPhone doesn't display the clients connected to it. I don't have this problem with the android version of the app. Can somebody help?