| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device and test data than can properly calculate a correction amount for an image formed on a sheet whose dimension is larger than a readable area.SOLUTION: When it is scheduled that the whole area of a test image is repetitively read out at more than once while changing an attitude of a sheet put on a sheet table, a test image based on test data representing plural test images which are dispersively arranged so that an identification image for specifying each partial area formed on a portion of the sheet on the sheet table under each attitude is contained in each portion under each attitude is formed on a sheet protruding from the sheet table, a correction amount is calculated on the basis of image data representing a test image read out by repeating a reading operation of reading an image within a partial area of a test image while the sheet on which the test image is formed partially protrudes from the sheet table, and a corrected image is formed on the basis of the correction amount. |
