@LucasMay About drivers, they are up to date, there is no firmware update for router (there was at least 3 updates from Epson printer since I bought it). And i'm now shure that the problem is in the...

It seems that problem is solved. For unknown reason router was blocking comunication between local network members on some ports (that's why only printer was makeing trouble). The solution is to...

@Kevin_Z Sorrry for posting one post after another... didnt found post edit function. And I have some new informations about my problems. First Ping screen with actual status from Archer: Printer...

@Kevin_Z Printer IP 192.168.1.124 Gateway 192.168.1.254 - this is correct - same gateway in all devices and ofcourse this is my router IP. Ping looks like on picture below: There is no option for me...

@Kevin_Z My Archer is HW 5.0 FW 1.2.4 build 20190403 so is up to date. Unfortunately this printer dont have wire connection thru ethernet, only WiFi and USB. It doesn't metter if PC is connected via...

@F0si Try to change description that it's not containing spaces (replace them with '_' or something else) at least this helps with Archer C9 with actual firmware.