Original document(36 pages)  中文版
    Disclosed is an electrophotographic black toner comprising a colorant and a binder resin, wherein the toner has a metal oxide as the colorant of 20% by weight or less, said metal oxide having magnetization of 40 emu/g or smaller, and said toner has color coordinates such that L* has a value of 10 to 25, a* has a value of -3.0 to 3.0, and b* has a value of -3.0 to 3.0 as determined by a fixed image formed with the toner, as well as an electrophotographic developer and an image forming method using said electrophotographic black toner are provided. According to the present invention, the electrophotographic black toner having a high volume-specific resistance value, achieving a sufficient degree of blackness, less likely to cause high background and providing a high quality image can be obtained.
Application Number
申请号
01136139 Application Date
申请日
2001.11.01
Title 名称 Black toner for electronic photography, developer for electronic photography and imaging method
Publication Number
公开号
1355450 Publication Date
公开日
2002.06.26
Approval Pub. Date Granted Pub. Date
International Classification 分类号 G03G9/08
Applicant(s) Name
申请人
Fuji Xerox Co., Ltd.
Address 地址
Inventor(s) Name 发明人 Eshino Susumi;Taguchi Tetsuya;Yoshihara Kotaro
Attorney & Agent 代理人 zhu liguang

  
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