Thermal receipt printer is a point-of-sale (POS) device that uses heat instead of ink to print receipts on special paper. These printers are characterized by their 80mm (3.15 inch) wide paper roll capacity, high printing speeds (often up to 300mm/s), and features like auto-cutters for efficient transaction processing. They are common in retail, restaurants, and other businesses, offering low operating costs and compatible with various operating systems (Windows, Linux, Android, macOS) via USB, Ethernet, or Bluetooth.