发明名称 TONER AND IMAGE FORMING APPARATUS USING THE TONER
摘要 PROBLEM TO BE SOLVED: To provide a toner and a developer which can be used in a toner recycling system without causing deformation or breaking of the toner, with little change in a surface condition of the toner, are free from a degradation in lasting quality of the developer, fogging, lowering of image density, stain on the background of the image, and toner change with environment, etc., and provide good image quality, and to provide an image forming apparatus and a detachable process cartridge. SOLUTION: The toner is used in an image forming method adopting a toner recycling system, contains at least a modified polyester resin, a colorant and a release agent, and has a volume average particle diameter (Dv) of 4.0-6.0μm, a ratio of (Dv) to (Dn) (Dv/Dn) of 1.00-1.30, wherein (Dn) represents a number average particle diameter and a shape factor SF-1 of 140-200. COPYRIGHT: (C)2004,JPO&NCIPI
申请公布号 JP2004246346(A) 申请公布日期 2004.09.02
申请号 JP20040012455 申请日期 2004.01.20
申请人 RICOH CO LTD 发明人 EMOTO SHIGERU;MINAMITANI TOSHIKI;SHIMODA NAOTO;KONDO MAIKO;YAGI SHINICHIRO;HIGUCHI HIROTO;SASAKI FUMIHIRO;HONDA TAKAHIRO;AWAMURA JUNICHI
分类号 G03G9/08;G03G5/08;G03G9/087;(IPC1-7):G03G9/087 主分类号 G03G9/08
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