Although you connect the KI720 to your computer via a standard USB cable, the machine's motherboard does not use a standard plug-and-play USB connection. Instead, it uses an internal USB-to-Serial chip (most commonly an FTDI or CH340 chip).
The KI720 is a popular entry-level professional plotter known for its 720mm (approx. 28-inch) cutting width. Most modern versions of this machine use a .
If it has a yellow exclamation mark, the driver is not installed correctly. cutting plotter ki720 driver download free
Once the hardware driver is recognized by Windows, you must configure your design software to send data to the correct location. Configuration in SignMaster or Artcut
, a sleek vinyl cutter he’d rescued from a garage sale. It was a beast of a machine, capable of a 630mm cutting width and speeds up to , but right now, it was just an expensive paperweight. Although you connect the KI720 to your computer
Close all other software programs. Only one application can control the COM port at a time. If Artcut is open, SignMaster cannot talk to the plotter. Plotter Cuts Random Lines or Scribbles
: Some newer models may require the STM Virtual COM Port to simulate a serial connection. 2. Required Cutting Software 28-inch) cutting width
Ensure the COM port number you selected in Device Manager is exactly the same as the one selected in your cutting software (e.g., SignMaster).
Your current (Windows 10, Windows 11, Mac, etc.)
You should see a new entry labeled something like USB Serial Port (COM3) or CH340 USB Serial Port . Note the specific COM port number (e.g., COM3 or COM4), as you will need this for your cutting software. Configuring the Cutter in Design Software
If you are looking to buy this machine or trying to get a secondhand unit running, here is what you need to know about its build, capabilities, and common pain points. Technical Specifications : 28.3 inches (720 mm) Max Cutting Width : 24.8 inches (630 mm) Cutting Force : 10–500 grams (Adjustable) Cutting Speed : 10–800 mm/s Command Language : HPGL / DMPL 🟢 The Pros Vevor Vinyl Cutter: Unboxing, Set Up and Use