PURPOSE: To automatically insert managing information into a printing drawing according to a predetermined format by providing a printer for printing information regarding a screen together with the screen for displaying on a CRT output unit.

CONSTITUTION: An image signal formed by a CAD machine, a personal computer, etc., is transmitted to a CRT output unit 10 and a hard copy printer 12. A drawing management signal including information regarding the content of the image signal is transmitted from a controller 14 to the unit 10 and the printer 12. The signal is input by a keyboard, a mouth, etc., of the controller 14 while observing the display content of the unit 10 by an operator for an apparatus, and automatically formed according to a predetermined program linked to he content of the signal. The unit 10 has a multiwindow display function, displays the content of the signal on a screen 20A at the center of the CRT, and displays drawing management information 20B and 20C according to a predetermined format above or below the screen 20A The screen information displayed on the unit 10 is printed by a printer 12 as it is.