To easily confirm whether the judgment of toner end state is wrong or not by constituting a toner housing part in such a manner that the residual toner can be visually confirmed from the outside, and forcedly releasing toner end processing by the operation of an operator.

In a copying machine which is one embodiment of this image forming device, the front side part of a color toner container 36 or the part seen from the front of a black toner container is formed of a transparent body in order to easily confirm whether the judgment of toner near end is wrong or not. Thus, the residual toner quantity in the inner part can be visually confirmed in the set state. The transparent body may be colored, or the whole tone container may be formed of the transparent body. Further, the front wall part of each toner receiving case 76-99 is formed of a transparent body. A releasing control button is provided on a control panel so that the state of toner end processing or toner near end processing can be quickly released in case of a wrong judgment, and a force release of toner end processing is executed.