The image formation device, toner amount used calculation manner and the toner amount used calculation

摘要

PROBLEM TO BE SOLVED: To quickly and accurately calculate a usage amount of toner.SOLUTION: An image forming device includes a frequency separation processing unit 2214 for separating an object image into one or more images based on a prescribed frequency component; and a transfer toner amount conversion unit 2217 for calculating the toner usage amount used for printing the object image based on association information on a color value of each of the separated images, an optional color value corresponding to the frequency component, and a toner usage amount per unit area.