The laser printer is a high-tech product integrating electromechanical integration. It is widely used in the food processing industry, cosmetics industry, pharmaceutical industry, automotive and other parts processing industries, wire and cable industry, aluminum-plastic pipe industry, tobacco and alcohol industry and other fields. Wide range and applicability are accepted by the majority of users. The laser printer has stable performance, high reliability, fast speed, low power consumption, small size and wide application range. With the continuous development of science and technology, flying laser printers have become the development trend instead of inkjet printers.