To improve via resolving power between a printing board and a level and to achieve the uniformity of thickness, the increase of production quantity and the reduction of the waste of a material by providing a controller controlling the supply of the printing liquid from a dispenser and taking the connection with the movement of a printing head.

The printing liquid supply operation of a dispenser 82 is controlled by a controller 74 or a second controller 92 is subordinated to the controller 74 and the movement of a printing head 52 and the printing liquid supply operation of the dispenser 82 are allowed to be connected with each other while independently controlled. The controller 92 is set so as to supply the initial amt. of the printing liquid reaching the primary side surface of the printing surface 67 of a screen immediately before the printing stroke of a squeegee of the dispenser 82, that is, immediately before the squeegee 76 starts the lateral movement of the printing surface 62 of the screen.