80mm thermal printer receipt printer barcode printerPrinting method: Thermal line dot printing Paper width: 80±0.5mm Printing density: 8dot/mm, 576dot/line Printing speed: 27mm/ 8s (when the utilization rate is 50.) life-span of print head : 6×106 character line Printing width: 72mm Temperature for operating: 550 Humidity for operating: 1080 Temperature for storage: -2060 Humidity for storage: 1090 Power: There are two kinds of printer refer to the type of printer 1: DC 5V. 2. Printer head and control panel are powered respectively. The power of printer head: 5V-7.5V. The power of control panel: 5V(the power interface refer to page 4 INTERFACE: IDE20: Parallel port: TTL and Serial port: TTL IDE20: Serial port: 232 CHARACTER: Character set20H-A0H DBC case character set 20H-7FH GB Chinese character 16*16 dots matrix Chinese character enlarge 2 times by default 24*24 dots matrix Chinese character enlarge 1 times by default