Turn off the printer. Hold down the Feed button while turning it on. Release the button when the light flashes. This will print the current network settings, showing the encryption method it expects .
Some legacy Zebra print servers (internal or external Zebranet cards) physically cannot support modern encryption types due to hardware limitations. If you are trying to connect an older printer to a 5GHz WPA3 network, you may need to: Downgrade a specific network band to WPA2/WPA3 mixed mode. invalid encryption method zebra