Method for controlling screen printer

A screen printing method for continuously producing a plurality of devices by a screen printer having an automatic screen replacing apparatus, the method comprising:

• storing in a printer a plurality of NC programs for use in producing a plurality of devices;
• the NC programs including a screen data section for storing therein screen information including at least one of numbers allocated within a stocker storing a plurality of screens and sizes of screens to be used for each NC program, an NC data section for indicating an XY-coordinate position of each screen, and a program offset section for registering therein a result of printing of a circuit board inspected by a recognition camera;
• selecting an NC program corresponding to a device to be produced and producing a plurality of devices corresponding to the selected program;
• and
• automatically specifying and replacing the screen stored in the stocker, according to the screen information stored in the screen data section and in response to the selected NC program.