The entire machine adopts a computer numerical control server system, PLC, and human-machine interface, making circuit control simpler, positioning accurate, and operation simple. The machine is durable, safe, and reliable. During the printing process, it is possible to adjust the roller positions of each printing plate at any time without stopping the machine, so that each printing plate cylinder is in the correct overprinting position, thereby improving the printing effect and saving printing consumables and machine adjustment time for customers.