Patent ID: 7777926

Claim:
An image processing apparatus for converting inputted image data to image data in accordance with characteristics of an image forming unit, comprising: a first gradation correction unit which performs a gradation correction processing of the inputted image data in accordance with the characteristics of the image forming unit; a total toner amount control unit which performs a total toner amount control processing of the image data which has undergone at least the gradation correction processing executed by the first gradation correction unit; a second gradation correction unit which performs a gradation correction processing in accordance with the characteristics of the image forming unit with respect to the image data which has undergone at least the total toner amount control processing executed by the total toner amount control unit; and a reverse correction unit which performs a reverse correction processing of the gradation correction processing executed by the first gradation correction unit with respect to the image data which has undergone at least the total toner amount control processing executed by the total toner amount control unit, wherein the second gradation correction unit performs the gradation correction processing in accordance with the characteristics of the image forming unit with respect to the image data which has undergone at least the reverse correction processing executed by the reverse correction unit.