Patent ID: 6853464

Claim:
A tone characteristic setting device for setting tone characteristic to be used for converting original tone data into input tone data to be supplied to an image formation device, the tone characteristic setting device comprising: a memory storing data of tone characteristic of an image formation device; a test chart production control unit that controls the image formation device to produce a test chart, the test chart production control unit controlling the image formation device to produce the test chart that has several regions within a single image formation area, the test chart production control unit controlling the image formation device to produce images in the several regions by changing at least one of coloring material and composition of coloring material; a control unit controlling the test chart production control unit to control the image formation device to produce a test chart, thereby enabling a user to visually confirm the test chart; and a characteristic setting unit setting tone characteristic, the characteristic setting unit including: an input unit enabling the user to input his/her observation result; and a characteristic setting operation executing unit executing, in response to the input of the observation result, an operation to set tone characteristic indicative of the present characteristic of the image formation device.