1, open the window or interface you want to print.
2, press the "Print" button on the touch screen or find a similar function of the button, in the Siemens touch screen, there will be a button labeled with the print icon.
3, make sure that the touch screen has been connected to a printer, if the touch screen does not have a built-in print function, you need to make sure that it is connected to a nearby printer.
4. Select the desired settings in the print options, such as paper size, print quality, etc., which can be found in the settings menu in the print window.