| 摘要 |
PURPOSE:To eliminate a failure of copying or the complicacy of an operation by providing a display means for showing information incapable of copying on a copying part push-button for starting the copying. CONSTITUTION:When a power source is turned on, initialization of a microcomputer and initialization of a copying machine are executed, and processing for inputting the internal information of the copying machine, namely, information inputted through terminals 84-94 is executed. Subsequently, based on the internal information of the inputted copying machine, processing for displaying the information on an LCD display device is executed, and in accordance with the inputted internal information, the light emission of a backlight of the LCD display device is controlled. In this case, if copying is possible, backlight of green is lighted, and in case when copying is impossible, backlight of orange is lighted. By providing a display means for showing a state that copying is impossible, on a copying start push-button for starting the copying, a state of the copying machine can be recognized easily and surely, and a failure of copying or complicated operations can be eliminated. |
