SNBC BTP-R580 II Thermal POS Receipt Printer USB + Serial (RS232) + Power $49.99 Brand SNBC Industry Retail Model BTP-R580 II Print Method Thermal Connectivity USB + Serial MPN BTP-R580IIUR3BE Machine Compatibility Windows condition Used SNBC BTP-R580 II Thermal POS Receipt Printer with RS232 serial interface.Passes self test as shown in photos and works well. Auto cutter works great.Comes with power supply installed.