Key features: 1. Can accept paper rolls with a diameter of 80mm; 2. Compact size, easy installation; 3. Anti-clogging and anti-pull paper feed nozzle; 4. Side-opening cover for easy paper loading and maintenance; 5. Black mark and gap detection sensor functions (optional), suitable for various types of printing paper (ordinary thermal paper, black mark thermal paper, and gap-adhesive thermal paper); 6. New plastic stand, aesthetically pleasing, lightweight, and easy to install.