As the technology of UV Solidification, infrared IR desiccation are widely applied to printing industry, we successfully refit the old printing equipments to make them UV 、 gazing and save a lot of cost for the enterprises. We can calculate the light energy and needed in the UV solidfy according to the details of all kinds of printing technologies; then, we design the drying devices according to the printing method, width, speed, Receives materials, characteristic of ink.