IMAGE FORMATION DEVICE AND GRAPH DISPLAY METHOD

摘要

PROBLEM TO BE SOLVED: To enable a user to intuitively grasp a printable quantity.SOLUTION: According to an embodiment, an image formation device comprises residual quantity management means and graph display means. The residual quantity management means manages a first residual quantity allowing printing with a plurality of colors. The graph display means displays a first graph according to a change of the first residual quantity, the graph display means performing gradation display with the plurality of colors over the whole of the first graph.SELECTED DRAWING: Figure 1