发明名称 |
Developing device, image forming method and apparatus, and process cartridge |
摘要 |
In the image forming method, a color toner image and a transparent toner image are formed using a first developing device containing a first developer including color toner and carrier, and a second developing device containing a second developer including transparent toner and carrier. At least the second developing device includes a developer bearing member bearing the second developer for developing an electrostatic image; a developer supplying passage supplying the developer to the developer bearing member while feeding the developer in a first direction; and a developer feeding passage separated from the developer supplying passage at a central portion thereof and feeding the developer used for development in a direction parallel to the first direction. The transparent toner includes a resin and a lubricant and has viscoelastic property such that loss tangent has a peak with height of not less than 3 at a temperature of from 80° C. to 160° C.
|
申请公布号 |
US8524436(B2) |
申请公布日期 |
2013.09.03 |
申请号 |
US201113168385 |
申请日期 |
2011.06.24 |
申请人 |
NAGAYAMA MASASHI;AOKI MITSUO;SANTO HIDEYUKI;YAGUCHI SHIGENORI;RICOH COMPANY, LTD. |
发明人 |
NAGAYAMA MASASHI;AOKI MITSUO;SANTO HIDEYUKI;YAGUCHI SHIGENORI |
分类号 |
G03G5/00 |
主分类号 |
G03G5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|