Obtain the driver .exe or .zip file. Right-click and extract the contents.
Setting up a on Windows 10 can be tricky because many Chinese-manufactured models use older USB-to-Serial technology that requires specific virtual COM port drivers. Essential Driver Requirements rohs cutting plotter 721 drivers windows 10
Run the installer before plugging in the plotter. Obtain the driver
Plug the USB cable into a rear port of your PC (rear ports provide more stable power) and turn the plotter on. Verify in Device Manager: Right-click the Start button and select Device Manager . Ensure the is set between 1 and 4
Ensure the is set between 1 and 4 . Numbers higher than 10 often cause communication errors in cutting software. Compatible Software for the 721 Plotter
The RoHS 721 typically uses or DMPL command languages. Popular software choices include: Software for JinKa JK-721 plotter - PlotCalc
Most 721 series plotters do not have a "true" USB interface. Instead, they contain an internal USB-to-Serial chip. To make your PC recognise the device, you must install one of the following virtual COM port drivers: Common for high-quality serial conversions.