The virtual port assignment changed or the USB cable is loose.
Download the executable installation file (usually a .exe file for Windows). Step 3: Run the Installer Double-click the downloaded driver file. Select your preferred language. Accept the license agreement. thermal receipt printer kp206b-ub driver
Unplug the USB cable, restart the computer, and plug the USB cable into a different USB port. The virtual port assignment changed or the USB
Windows (7, 8, 10, 11), Linux, and Android/iOS via Bluetooth Step-by-Step Driver Installation Guide restart the computer