| 摘要 |
PURPOSE:To facilitate the detection of a time for maintenance which is different in every copying machine, by executing a count at every copying operation, and executing a maintenance call display. CONSTITUTION:In a centralized display part 100, a copying magnification display part 118 of four digits and a copying sheet number display part 101 of three digits are combined and used as a count value display part of seven digits, a serviceman mark 104 being a maintenance call display is displayed, and the necessity of a maintenance is warned. A maintenance counter is constituted as a subtraction counter capable of a minus count of <='0', and when the count value becomes <='0', a call display 104 is turned on. |
