China 3 Inch Thermal Printer Mechanism Introduction TP638-101 thermal printer mechanism series compatible with FUJITSU: FTP-638MCL101 TP638-101 thermal printer mechanism has the characteristics of small size, wide working voltage and high efficiency. The unique movement design makes the TP628 easy to load paper and high reliability. TP638-101 Features 鈼?Easy loading paper 鈼?Small size 鈼?Light weight 鈼?Fast print speed锛坢ax print speed 80mm/s锛?/p> 鈼?Wide working voltage 鈼?High DPI锛? dots/mm,203DPI锛?/p> 鈼?Long printing life锛?gt;50km锛?/p> 鈼?Low noise Specification Printing method: Thermal dot printing Number of dots: 576 dots/line Resolution: 8 dots/mm Valid Printing width: 72mm Paper width锛坢m): 80mm Paper feed pitch: 0.0625mm Dimension(mm): 92.3x33x15.2 Weight锛坓锛? 59g Head temperature: thermistor Paper end sensor: By photo interrupter For printer head锛圴锛? 4.2锝?.5 For logic锛圴锛? 3.13锝?.25 Operating temperature锛堚剝锛? 0锝?0锛坣o condensation锛?/p> Operating humidity锛圧H锛? 20锛咃綖85锛咃紙no condensation锛?/p> Storage temperature (鈩?: -25锝?0锛坣o condensation锛?/p> Storage humidity锛圧H锛? 5锛咃綖95锛咃紙no condensation锛?/p> Thermal head specification Outline data Number of Heat Elements: 576 dots Dot density: 0.125mm Dot size: 0.125mm x 0.12mm Paper feed pitch: 0.0625mm Valid printing width: 72mm Average Resistance Value: 176惟卤4% Operating voltage: 4.2V锝?.5V Pulse life: 100 million pulse Mechanical life: 50km Life test conditions: 25 掳 C, the heating time ratio is not more than 12.5%. Calculation formula Supply Energy锛?/span> Remark锛?/span> RIC 9惟 ts Heating time VH voltage Average Resistance Value 176惟 Heating dots at the same time 64dots Common Terminal Resistance Value 0.075惟 Connector line resistance锛?/span> Heating dots Resistance Reference data ItemSymbolReference working dataRemark Supply EnergyEo0. 25W/dot176惟 Supply VoltageVH7.2VLine conector Speed 1.25ms/line Supply Energy5鈩?/span>Eo (ts)0.16mJ/dot(0.63ms)64dots heating dots in the same time 25鈩?/span>0.13mJ/dot(0.51ms) 45鈩?/span>0.11mJ/dot(0.43ms) CurrentIo37.5mA/dot176惟 Thermal resistance Remark R25 30K惟卤5锛?/span> B 3950卤3锛?/span> T Temperature锛堚剝锛?/span> Valid range -20鈩?/span>锛?/span>80鈩?/span> Thermal resistance temperature sheet: T(鈩?/span>)Resistance value (K惟)T(鈩?/span>)Resistance value (K惟)T(鈩?/span>)Resistance value (K惟)T(鈩?/span>)Resistance value (K惟) -40843-101612037.55010.8 -35623-51242530.0558.91 -30466096.83024.2607.41 -25352575.73519.6656.2 -202691059.54015.9705.21 -152081547.14513.1754.4 APPLICATIONS Automotive Calculators Data terminal devices EFT POS Fiscal printers Hand held terminals Measuring instruments and analysers Medical equipment Portable printers and terminals Taxi meters ExpressChina 3 Inch Thermal Printer Mechanism website:http://www.oposprinters.com/3-inch-thermal-printer-mechanism/