发明名称 IMAGE FORMING METHOD AND DEVICE AND TONER FOR IMAGE FORMING
摘要 PROBLEM TO BE SOLVED: To provide an image forming method and an image forming device by which the lowering of image density, the increase of surface staining and toner scattering and further the occurrence of filming with the lapse of time are reduced especially in a system for re-cycling recovered toner to a developing part and further stable image quality is obtained over a long term even in the case of using small particle size toner. SOLUTION: In this image forming method, an electrostatic latent image formed on a latent image carrier is developed and the developed toner image is transferred to transfer material, and then the toner remaining on the latent image carrier is removed and the removed toner is re-cycled to the developing part. In the image forming method and device, a classifying means is used to re-cycle the removed toner to the developing part, and further the saturation magnetization of the toner is 0.01 to 10 emu/g, and the true specific gravity thereof is 1.35 to 1.60 g/cm<3> .
申请公布号 JP2002278131(A) 申请公布日期 2002.09.27
申请号 JP20010080376 申请日期 2001.03.21
申请人 RICOH CO LTD 发明人 KATO MITSUTERU;MINAMITANI TOSHIKI;FUSHIMI HIROYUKI;UCHINOKURA OSAMU;YAGI SHINICHIRO;SUZUKI MASANORI;SAWADA TOYOSHI
分类号 G03G9/08;G03G9/113;G03G15/08;G03G21/10 主分类号 G03G9/08
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