Configure direct printing on a web system -- 2

I have a web system for a restaurant from doorsoft. I need to configure the printer to print directly without pop up browser. (Direct print from web browser). video attached https://www.youtube.com/watch?v=LQidV53KPiE&list=PLvIbsjSnWlMOhSu7AXo_tZc3cjj7DJBst&index=3

Client is using 4 android devices to use this system.