| 摘要 |
PROBLEM TO BE SOLVED: To provide a color image forming device, capable of accurately forming respective patterns for detection only when necessary and printing an image of high quality. SOLUTION: This image forming device is provided with plural image forming means for forming different color images on plural image carriers, a moving body, a detection means for detecting the pattern for detection formed on the image carrier by the image forming means and transferred to the moving body, and a correction means correcting image forming start timing by the image forming means, based on the detected result by the detection means. In the device, the images on the image carriers are successively superposed and transferred to the moving body or a transfer material carried on the moving body, and the device is equipped with a judging means for judging whether the pattern for detection is formed on the image carrier by the image forming means, according to the state of the image forming device. |
