| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device of high reliability capable of detecting and correcting the curling state of a paper sheet with high accuracy. SOLUTION: The image forming device 20 having a photosensitive body 1, a charger 2, an exposure device 4, a developer 5, an intermediate transfer belt 7, a primary transfer unit T1, a cleaning device 6, a paper feed tray 9, a secondary transfer unit T2, a fixing device 8, and a discharge tray 16, comprises a curl shape measurement unit 101 for measuring the curl shape of the reference paper, a curl shape storage unit 102 for storing the measured curl shape of the reference paper, a curl correction calculation unit 103 for calculating the curl correction of the paper sheet based on the image area ratio of the image formed on the paper sheet and the curl shape of the reference paper, and a curl correction unit 104 for correcting the curl of the paper sheet based on the calculated curl correction. |
