Printing and paper industry undertakes the task of supplying products to the professional sections such as packaging and decoration, commercial printing, office printing finance securities. Recent years with the growth of automation technology in China printery automation comes to a new era. Industry automation is of increasing importance in terms of stabilizing the performance of the products, easy maintenance for them and increasing the profits. Mechanical reliance has been eliminated radically since electronic gear coupling approach adopted in controllers has gradually replaced mechanical one in the past. What’s more, the stepping loss or non-precision of positioning existing in the stepper motors has been eliminated radically since the open-ring stepper motors and drives have gradually been replaced by the close-loop servo drives and motors.