To provide an access unit capable of improving the operability with respect to a laser drawing part and an inspection part provided in a fabrication system of a printed circuit board, and easily dealing with the change of specifications.

A GUI PC 14 for accessing the laser drawing part 11 and 12 and the inspection part 13 provided in the fabrication system of the printed circuit board comprises display means and a Web browser which is displayed on the display means and designates an applet stored in the laser drawing part 11 and 12 or the inspection part 13 via an intranet 10. The applet which is started after designated via the Web browser and downloaded in the unit displays the designation screen on the display means, and outputs the data designated via the designation screen to the laser drawing part 11 and 12 or the inspection part 13.