: Ensure the COM port number in your software settings matches the number assigned in Windows Device Manager. USCutter Forum Troubleshooting Software for JinKa JK-721PE plotter - PlotCalc
If your 721PE is (most are), use:
Open your cutting software, and check if the plotter is recognized. Perform a test cut to ensure everything is functioning as expected. cutting plotter model 721pe driver download
For further assistance or more information on cutting plotter model 721PE driver downloads, you can: : Ensure the COM port number in your