| 摘要 |
PURPOSE: To prevent the omission of execution of an end operation by continuing a display for showing that maintenance work is being executed, up to the execution of the end operation, when a starting operation means is operated. CONSTITUTION: In a starting key 96 on a control panel OP, an LED 96A for displaying the validity/invalidity of the ON operation (depressing) of the key 96 is incorporated. In other words, the LED 96A is lighted in orange for instance, during the invalid period of depressing (a copying operation period, a warm-up period just after power was supplied or the like) and in green for instance, during the valid period of depressing. When a serviceman executes the ON operation (touching) of a starting button ZB21 in a maintenance picture P2, it is switched to an operation picture for actual maintenance work and the LED 96A starts to flicker. The flickering of the LED 96A is continued up to the execution of the ON operation (touching) of an end button ZB22. When a panel resetting key 94 is depressed, the picture returns to a standby picture P1. |
