| 摘要 |
PURPOSE:To execute only copying for a designated area so that no black frame nor black band is generated by obstructing an exposure by an exposure obstructing means, as for other area than a partial exposure area to a photosensitive body which is set. CONSTITUTION:Between a setting means for setting a partial exposure area to a photosensitive body 28 and an image exposure area to the photosensitive body 28, an exposure obstructing means 31 for obstructing an exposure plural times based on a signal from the setting means is provided. Therefore, as for other area than a partial exposure area to the photosensitive body 28 set by the setting means, the exposure is obstructed by the exposure obstructing means 31, therefore, only copying for a designated area is executed. In such a way, it becomes possible that no black frame nor black band is generated in a document which is obtained by copying. |
