ACR3901T-W Test Manual
Version 1.00
www.acs.com.hk
4.0. USB Mode Driver Installation
1. Connect the Reader and plug the USB cable into PC, if the PC could not install the driver
“Microsoft Usbccid Smartcard Reader (WUDF)” automatically. User needs to unzip and use
the driver under “TestProgram\USB_Mode\USBModeDriver\”
2. At Computer icon, right click on “Computer” select “Properties”
3. Select “Device Manager”
4. Check Smart card reader, use the mouse to right click “ACR3901U ICC Reader”, and select
“Update device software…”