Thermal Printer Supplies can be divided into thermal line dot system and thermal serial dot system according to the arrangement of thermal elements. As an early product, linear Panel Mount Thermal Printer is mainly used in some occasions with low requirements for printing speed, and has been used in its products by domestic authors. The line type thermal sensitivity belongs to the technology of Portable Printer Supplier. Its printing speed is much faster than the line type thermal sensitivity, and the fastest speed has reached 80mm Thermal Printer. To achieve high-speed thermal printing, in addition to the selection of high-speed thermal printing head, there must be a corresponding control board with it.