@berypapa That's weird. Try saving and sending the configuration file of the AX73 to support.forum@tp-link.com with the subject of this thread, the support engineers will confirm and help.

@Jereshi Can I confirm which service are you trying to open port 44158 for? Is it possible to try with a different port, then check if you can open it? Be sure that this port 44158 is not used by any...

@GiantHogweed Which wireless network does the printer connect to? 2.4G or 5G-1, or 5G-2? What's the IP address of it? Can you find it on the Wireless Client list on the AX11000 web GUI? Or can you...

@suraj- Is your Archer C5(ACT) provided by your ISP? If that is the case, I guess the firmware is customized by them already, you will need to contact them for further assistance. Or you can contact...

@Jmiah15 Hello, what if you connect to the main network of the Archer C50, will you be able to connect to the Facebook server? You can try to change the internet DNS server on the C50 to Google's...

@PrinceAsh Seems similar issue as reported here, please check: https://community.tp-link.com/en/home/forum/topic/252536