What is the specification of thermal transfer ribbon?
Thermal transfer ribbon specification refers to: width (mm) X length (m), the unit of width is millimeter (mm), the unit of length is meter (m) Basic width: 30, 40, 50, 60, 70, 80, 90, 100, 110, 130, 170 mm Basic length: 74, 90, 300, 450, 6...