IMAGE FORMING SYSTEM, CONTROLLING METHOD FOR THE SAME AND MEMORY MEDIUM

摘要

PROBLEM TO BE SOLVED: To give freedom to a content of indication data for notifying an operator of a condition of a device in order to readily set the indication content and to give freedom to the indication content without limiting a kind of a device forming an image forming system irrespective of a kind of the image forming device or an optional device even when the optional device for adding a function to the image forming device is connected thereto. SOLUTION: When a plurality of pieces of indication data indicative of conditions of the optional device 108 received from the optional device 108 and an index thereof are stored in a RAM 101b in the image forming device 100. The index or the indication data is selected from the optional device 108 to be transmitted to the image forming device 100 together with an indication command and then the designated indication data is indicated on an indicating section 102 in the image forming device 100.