Rohs Cutting Plotter 721 Drivers Windows 10 < POPULAR >

Ensure the COM port number is under 10 (e.g., COM1 through COM9). If it is COM10 or higher, right-click the device > Properties > Port Settings > Advanced and change the COM Port Number to a lower available value. 3. Compatible Cutting Software Software for JinKa JK-721 plotter - PlotCalc

If Windows 10 detects the hardware and installs it silently, you are in luck. However, if you see a yellow exclamation mark in your Device Manager, proceed to Method 2.

If the plotter connects via USB and shows as “USB Serial Converter,” use (a USB driver installer). Install the libusb-win32 or WinUSB driver. Then, in your cutting software, select “USB Plotter” as the connection type.

Right-click the Start menu and select Device Manager . Look for "Other Devices" or "Ports (COM & LPT)" when the plotter is plugged in.