| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a developing device that improves capability of stirring supply toner, and contributes to stable toner density of a developer and reduction in size of the device. <P>SOLUTION: A developing device is configured to convey a developer from a supply passage on which a supply passage conveyance member 304 is disposed to a recovery passage on which a recovery passage conveyance member 305 is disposed via a second communication part 330. A toner supply port 310 is provided above the second communication part 330, and the toner supply port 310 is provided to be positioned on the side where the supply passage conveyance member 304 rotates downward from the top position thereof with a vertical line X as a reference, which passes the center of rotation of the supply passage conveyance member 304. <P>COPYRIGHT: (C)2012,JPO&INPIT |
