I have two Laserjet M281's one in location A is on a conventional wifi network and there are no problems printing to it.

The other is connected to a  Deco P9 mesh Wifi network in a another city (location B) and in an office where Wifi signal is strong, but no device (several windows 10 laptops and Apple phones ) can print to it. 

I've followed the troubelshooting step and rebooted many many time and the problem presists

The Deco P9 operates on 2.4 and 5GHZ, the printer has been set to a fixed IP address 168.192.1.111 on subnet 255.255.255.0 and I have tried the printer on 2.4GHZ and mixed using the menu selector.

Running the printer wireless test report gives the information that the printer can see "more than one access point .... matches the networks SSID"

This happened with a previous mesh wifi system so isn't router dependent.

The wifi configuration for one of the laptops I am using is :

SSID: Home-is-where-the-wifi-is
Protocol: Wi-Fi 4 (802.11n)
Security type: WPA2-Personal
Network band: 5 GHz (laptop 
Network channel: 40
Link-local IPv6 address: fe80::dccd:26ff:5588:eb1a%20
IPv4 address: 192.168.0.118
IPv4 DNS servers: 192.168.0.1
 

Help appreciated