| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing device by which developing interval can easily be changed. SOLUTION: A developing part 4 is the developing device in which toner is supplied to the photoreceptor part 34 of a photoreceptor drum 1 by a developing roller 12 provided in a easing 11, and is equipped with a butting member 15. The member 15 has a disk part whose outside diameter is consecutively changed, and is made to abut on the drum 1 so as to set the developing interval. Namely, the developing part 4 is set so that the developing interval can be changed just by rotating the member 15 including the disk part. |
