| 摘要 |
PROBLEM TO BE SOLVED: To provide a calibration program, etc. for an image forming apparatus, which accurately detects each patch position of a patch sheet and executes a calibration at a high accuracy. SOLUTION: In the calibration program for calibration processing, the patch sheet output from the image forming apparatus is read in as image data, a color measuring value of each patch pattern is obtained from the image data, and a density of the image forming apparatus is adjusted. A controller executes the steps of: displaying the image data of the patch sheet; detecting and displaying a position of each patch sheet in the image data; and obtaining the color measuring value of each patch pattern based on the position of the displayed patch sheet in response to a user's input for confirmation. COPYRIGHT: (C)2007,JPO&INPIT
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