Connect pos printer to computer use USB cable.
Go go website tasprinter.com/manual
Down load 12-MemorySaver
Extract the file and run.
Please select red color one.
Click open port top of right side
Click read Wifi info middle of right side.
Select infrastructure
Un check auto IP address
You can see unchecked auto ip address
Input Wifi SSID and ip address for pos printer.
You can see sample input.
Input IP, Gateway, DNS info
Save WiFi info
Change WiFi data secure to WPA
Input WPY key
And click save button top of right.
Printer info save to printer, you cane use printer now.