| 摘要 |
<p>PURPOSE:To display a state that paper is nearly consumed, so as to be easily visible to an operator by setting a color of a display element immediately before paper is consumed, to a color being different from others, and lighting it only in case of a state immediately before paper is consumed. CONSTITUTION:The quantity of paper placed on feed paper plates 1, 2 is displayed by lighting plural display elements 3, and a color of the element of the lowest stage is set to a color being different from others. An output of paper remaining quantity sensors 7, 8 of the first and the second feed paper plates 1, 2 is inputted to a control part 6, and controls plural LEDs for constituting a display part 3. In a usual state, the LED of the lowest stage is turned off and others remain turned on, and as paper is consumed, the LED of its position is turned off, and immediately before paper is consumed, the LED of the lowest stage whose color is different is turned on. Accordingly, an operator replenishes paper by seeing it, and waste of time can be avoided.</p> |
