Most modern systems require a USB-to-Serial (FTDI or CH340) driver to create a virtual COM port. This allows the machine to communicate as if it were connected via a traditional serial cable. Installation Steps for Windows 10/11
If you’ve recently acquired a (often associated with brands like Redsail, VEVOR, or generic industrial imports), the first hurdle is usually software communication. Without the correct driver, your computer won't recognize the plotter, leading to the dreaded "Device not found" error.
To set up your 721PE Cutting Plotter (often associated with the JinKa JK-721PE brand), you will need a specialized USB-to-Serial driver cutting plotter model 721pe driver download
This usually means another program is trying to use that COM port. Close any other design software and restart the plotter.
Sites like Redsail’s official support page or VEVOR’s download center frequently host the 721PE (720mm) driver packages. 3. Step-by-Step Installation Guide Step A: Install the USB Driver Disconnect the plotter from your PC. Download the CH340/CH341 driver executable. Run the installer as an Administrator . Most modern systems require a USB-to-Serial (FTDI or
Many reliable 721PE models use an FTDI chip. FTDI drivers offer excellent stability across Windows 10 and Windows 11.
Concise recommended action (prescriptive) Without the correct driver, your computer won't recognize
To set up your plotter via USB, you will need to install a USB-to-Serial driver. The 721PE likely uses either an or CH340 chipset. Below are the official sources for both:
Before proceeding, connecting the cutting plotter to your computer to prevent the operating system from assigning an unconfigured generic layout.