@Tanmoy Thanks for getting back. We will follow this up via email, please check your email box and respond.

@Byron_Hinson What if you try to disable the 11ax for the 5G network, choose 802.11a/n/ac mixed, you can find it under Advanced >> Wireless >> Wireless Settings page.

@Armada After you changed the channel width to 80MHz, it still takes 3-4mins to broadcast the 5G signal? Try to restart the router, confirm again. Regarding the 160MHz understanding, you are correct,...

@mizu1226 Can I have a screenshot about the Static Route setup on the AX73? Please provide the detailed network topology, how are they connected. You are suggested to refer to this guide to check the...

@Muhammad_Saad This is the compatibility list, if your HP Laserjet M1536 is not in the list, that means it hasn't been tested:...

@Desky What if you swap the other range extenders to the port 6 and port 3, will it get a connection? If the issue is related to the port, there might be a port failure on both port 6 and port 3....