: Many Jinka plotters use the CH341 chipset. If your computer doesn't recognize the device, download the CH341SER.EXE driver from Nanjing Qinheng Microelectronics.
Which are you planning to use with the machine? (SignMaster, ArtCut, CorelDraw) download driver cutting plotter jinka 721 verified
Safety is paramount when downloading any software. Always prioritize official or trustworthy sources: : Many Jinka plotters use the CH341 chipset