发明名称 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a developing device that collects an additive released from toner and suppresses the additive from being embedded into carrier and that recycles the collected additive and improves stability of an image, and to provide an image forming apparatus using the developing device. SOLUTION: The developing device includes: a developing section 10 that stores two-component developer having toner and carrier therein; circulation paths 30, 31, and 32 connected to a developing section 10 and through which developer circulates; a developer storage section 40 disposed on the circulation path and used to store and stir developer. The developing device 61 circulates the developer between the developing section 10 and the developer storage section 40. The developing device 61 has an additive collection means 35 on the circulation passage 32, the collection means 35 being used to collect an additive added to toner and then separated. COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010060647(A) 申请公布日期 2010.03.18
申请号 JP20080223804 申请日期 2008.09.01
申请人 RICOH CO LTD 发明人 KATO NATSUMI;MATSUMOTO JUNICHI;IWATA NOBUO;OMURA TOMOYA
分类号 G03G15/08 主分类号 G03G15/08
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