| 摘要 |
PROBLEM TO BE SOLVED: To enhance the accuracy of beginning position correction in a conveyance direction, even for a piece of a color shift detecting sensor. SOLUTION: When the image forming device has a plurality of image forming units for forming images by scanning with a beam and the beam-scanning direction varies with each of the image forming units, the color shift in the transport direction is detected by a piece of the color drift detecting sensor 10, arranged other than at the center and the color drift correction, is performed by calculating a correction value. At this time, the correction value is determined, according to the scanning line inclination of the image forming unit beginning from the right, the scanning line inclination of the image forming unit beginning from the left, the position of the color drift detecting sensor 10, and the detection results of register examination. COPYRIGHT: (C)2006,JPO&NCIPI |
