- 专利标题: IMAGE FORMING APPARATUS, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
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申请号: US15221166申请日: 2016-07-27
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公开(公告)号: US20170227871A1公开(公告)日: 2017-08-10
- 发明人: Tomohito NAKAJIMA , Hiroyoshi OKUNO , Satoshi INOUE , Yoshifumi IIDA , Yuka ZENITANI , Yoshifumi ERI , Takeshi IWANAGA , Sakae TAKEUCHI , Yasuo KADOKURA , Yasuhisa MOROOKA , Shunsuke NOZAKI
- 申请人: FUJI XEROX CO., LTD.
- 申请人地址: JP Tokyo
- 专利权人: FUJI XEROX CO., LTD.
- 当前专利权人: FUJI XEROX CO., LTD.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2016-024115 20160210
- 主分类号: G03G9/00
- IPC分类号: G03G9/00
摘要:
An image forming apparatus includes a developing unit that contains an electrostatic charge image developer and develops an electrostatic charge image formed on a surface of the image holding member with the developer, wherein the developer contains a carrier and an electrostatic charge image developing toner that includes a toner particle which contains a urea-modified polyester resin, and includes, in a vicinity of a surface thereof, vinyl resin particles; and an external additive which contains silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.