A common actuator system of multi switches for a switchgear is capable of selectively opening or closing the plurality of switches using a single common actuator motor. The system includes a guide sleeve having a cylindrical internal surface and an end sized to fit within the upturned sides of the nut, and a guide member having a cylindrical external surface and a central axis aligned with that of the other of the male or female fastener. Also, the system includes a computer connected to the network independently of the molding machine, and the print control section is provided in the computer.