Patent ID: 7626741

Claim:
An image processing apparatus having a reader which reads an original image, an image processor which is capable of executing plural kinds of image processing, a corrector which corrects image data output from the image processor, and a forming section which forms an image on a recording medium based on image data output from the corrector, said apparatus further comprising: a generator, arranged to generate sample data to which the image processing is applied by the image processor, and to control the forming section to form a sample chart based on the sample data; an updater, arranged to update tone correction characteristics of the corrector corresponding to the image processing based on image data of the sample chart acquired by the reader, wherein the sample chart is conveyed using a feeder of the reader; and a controller, arranged to control said generator and said updater in accordance with an input user instruction indicating whether or not to execute batch update processing of the tone correction characteristics of the corrector corresponding to the plural kinds of image processing, wherein, when the batch update processing is instructed, said generator adds information to the sample data to append identification information, which indicates the kind of image processing used in the generation of the sample data, to the sample chart, and said updater identifies the kind of image processing corresponding to the tone correction characteristics to be corrected from the identification information appended to the sample chart.