If you have lost the USB disk that came with the device, visit the Xiamen Deprt website to find the "GD-41 Printer Driver" for your specific system (Windows or Mac).
From the list of printers, scroll until you find GD-41 or 4-inch Thermal Label Printer . gd-41 label printer driver download
If you encounter issues during driver installation or printing, try: If you have lost the USB disk that
: Capable of printing approximately 72 sheets per minute for standard 4x6 inch labels. gd-41 label printer driver download