| 摘要 |
PURPOSE:To prevent the occurrence of a fault in image quality by suppressing the disturbance of the flatness of an endless belt. CONSTITUTION:In an endless belt device serving as an image carrier or a transfer device on an image forming device, and extended among plural rollers, a flatness regulating member 33 securing the flatness of a belt attached between supporting frames 35, and relief parts 33b formed on both end parts of the flatness regulating member 33, are provided, and the deformed part of a belt end part 5a is made into a relief shape, on the relief part 33b. Moreover, a pressing member is provided opposite to the flatness regulating member 33, and the deformed part of the belt end part 5a can be pressed by the pressing member. |
