... paper load Paper detect 3inch (80mm)Thermal printer mechanism Feature:Compatible with Seiko LTPV345Paper width:80 ... 72mmApplication: Be applicable for 3inch portable printer terminal,Ticket printer terminal,barcode printer ,bank terminal,measure and medical ... Paper width(mm)72/80Head temperature detectVia thermistorThermal Printer head detectVia photo interrupterPaper detectVia photo interrupterLife ...