| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus and a developing device which are capable of making the fluctuation of the amount of developer in a developer tank 303 smaller by stably discharging the developer, even when the change of the physical property of the developer due to the change of environment, etc. is caused. <P>SOLUTION: The developing device 133 is provided with a developer discharge port 313, so as to discharge the developer of a prescribed amount from the developer tank 303 under high temperature and high humidity environment. Further, a hole part 323 is provided in the vicinity of the position facing the developer discharge port 313 of a partition plate 305 provided in the developing tank 303. <P>COPYRIGHT: (C)2010,JPO&INPIT |
