I have had the same problem since 20.04. Now on 22.04. for me it is solved by using deny-interfaces in the avahi-daemon.conf file. I just eliminate the interfaces that are adding the printers I don't need. Here I have denied my wifi usb dongle and my ZeroTier network connection.
I have had the same problem since 20.04. Now on 22.04. for me it is solved by using deny-interfaces in the avahi-daemon.conf file. I just eliminate the interfaces that are adding the printers I don't need. Here I have denied my wifi usb dongle and my ZeroTier network connection.