Analysis of Printing Principle and Characteristic of Thermal Roll PaperPosted by mykeyingroup on February 26th, 2019 Print head will contact with thermal register paper roll in the process of printing, under the action of a series of changing, hot spots of thermal register paper roll will turn into black while other parts keep the same. Printing paper rolls so that come into being words or bar code. Thermal register paper roll is divided into kinds, one is with protective layer and the other is without protective layer. Protective layer is above the thermal layer for protecting thermal from chemical corrosion and pollution, it also can protect print head. For heat transfer paper, thermal register paper roll can print changeable words and pictures on the surface of printing stock without colored tape. Like it? Share it!More by this author |