Port Selection: During setup, select the USB Virtual COM or the specific USB port assigned to the device.
The GP L80180 driver remains a workhorse in the DIY CNC and industrial automation space. While the term "driver" often confuses hardware with software, the solution is methodical: install the correct USB chip driver, wire the hardware properly, and tune the microstep/current settings to your specific motor.
If your driver is installed but the printer shows as offline, check your USB port. Thermal printers are sensitive to port changes; try plugging the printer back into the exact same USB port it was originally installed on. Slow Printing Speeds
Official Downloads: Download direct from Gprinter Service or the Fangtek Label Support Page.