: Always remove previous versions of POS drivers before installing a new one to prevent port conflicts. Run as Administrator : Right-click the installer and select "Run as Administrator". Select Port

If you are using an unbranded "Mini POS" or "Thermal Receipt Printer," many of these utilize a universal driver package. Look for the "POS Printer Driver Setup" executable that includes the 11301 library. Step-by-Step Installation Guide

The POS series printer driver version 11301 is available for download from the official website. Users can follow these steps to download and install the updated driver: