To reduce an influence of a disturbance factor operating from an exterior by integrating at least one plate making device, avoiding to independently install it, and integrating it with all operating elements for an operating surface, thereby integrating a small predetermined space, small material and a cost of many functions.

Operating elements 20 and a display element 21 are provided in the control desk 4. As them, there are holders 22 for a proof sheet sample 23 and a running-on sample 24. A computer 26 having a monitor 27 is placed on a console 25 connected to the desk 4. The desk 4 is connected to printers 2, 3 and a warehouse system 29 via a transporting system 28. Further, the desk 4 is connected to the printers 2, 3 through control wires 30. The desk 4 not only controls at least one of the printers 2, 3 but also an imaging process of a late 12, and bathers image signals by using an imaging unit 15. Image data on a layout computer 6 in a print previous stage section 5 is transmitted to a control unit 8.