| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a developing device configured such that supply unevenness according to pitch unevenness according to a blade pitch of a screw is suppressed, and scattering when developer is conveyed by airflow is prevented. <P>SOLUTION: The developing device is configured so that the developer to be supplied from a developer conveyance screw 32 to a development sleeve 31 is discharged by the gravity via an opening 100 positioned at a position lower than that of the developer surface on the side of the developer conveyance screw and connecting the side where the developer conveyance screw 32 is arranged and the side where the developer carrier 31 is located, in configuration that the developer carrier 31, the developer supply screw 32, and a developer collection screw 33 are arranged in the same developing tank 30. <P>COPYRIGHT: (C)2010,JPO&INPIT |
