This usually points to a faulty USB-to-Serial adapter. Ensure your adapter uses an authentic FTDI or Prolific chipset, as cheap generic adapters often drop data packets mid-cut.

The BI-60 features standard Serial (RS-232) and Parallel ports. Most modern computers lack these ports, meaning you will likely use a USB-to-Serial adapter cable . This requires installing two drivers: one for the USB-to-Serial cable itself, and one for the GCC cutting plotter. Step 1: Where to Download the Official Driver

Step 1: Visit the Official GCC Website or Authorized Distributors