Download the CH340 USB-to-Serial driver .
If you own a KI-720 vinyl cutter (often sold under brand names like Poten , US Cutter , or generic Chinese models), proper driver installation is essential for communicating between your design software (e.g., SignMaster, Sure Cuts A Lot, CorelDRAW) and the machine. ki-720 vinyl cutter driver download
Before you click any download link, it is critical to understand that most KI-720 cutters do use a traditional printer driver. Unlike an inkjet printer that speaks standard languages (PCL or PostScript), the KI-720 usually communicates via serial (RS-232) or USB using a proprietary command set (typically HP-GL or DMPL). Download the CH340 USB-to-Serial driver
(included with most KI-720 units) automatically installs the necessary drivers. USCutter Forum 2. Supported Cutting Software Unlike an inkjet printer that speaks standard languages
If you still need help, post your and the exact brand name on your KI-720 (many are rebranded) to a vinyl cutter forum like USCutter’s community.
Check the label on the back of your KI-720 – some resellers provide a mini-CD with drivers. If not, consult the step-by-step video walkthrough linked on the SignMaster knowledge base.