Screen printing on garments currently accounts for over half of the screen printing activity in the United States. Graphic screenprinting is widely used today to create mass or large batch produced graphics, such as posters or display stands.
You can check what device is using what COM port from the Device Manager. It will be listed under the hidden devices. From the Device Manager, select View-Show Hidden Devices. Now when you expand the (PORTS) COM ports section you will see all of the COM ports listed there. To check what port is used by what service.Open device manager Select the COM Port Right click and then click on Properties/Port Settings Tab/Advanced Button/COM Port Number Drop-down menu and assigned the COM port.ou can check what device is using what COM port from the Device Manager. It will be listed under the hidden devices. From the Device Manager, select View-Show Hidden Devices. Now when you expand the (PORTS) COM ports section you will see all of the COM ports listed there. To check what port is used by what service.
Use the Device Manager to determine if your computer has USB 1.1, 2.0, or 3.0 ports: 1  Open the Device Manager. 2  In the Device Manager window, click the (plus sign) next to . You will see a list of the USB ports installed on your computer.  If your USB port name contains Universal Host, your port is version 1.1.