发明名称 |
Toner, developer, image developing apparatus, and image forming apparatus |
摘要 |
A toner capable of making compatible a transferring property, a fixing property and a cleaning property and forming a high-precision image. The toner comprises a binder resin and a colorant and is characterized in that the average circularity of the toner is at least 0.95, a ratio (D/S) between the total projection area (S) and the contact area (D) of the toner is 15% to 40%, and the contact area (D) is a total contact area between the toner and an object surface. The toner has such a shape as to be able to contact a latent image carrier with a proper contact area, has a high transferring rate and can prevent transferring dust.
|
申请公布号 |
US7166403(B2) |
申请公布日期 |
2007.01.23 |
申请号 |
US20050165361 |
申请日期 |
2005.06.24 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
ICHIKAWA TOMOYUKI;MOCHIZUKI SATOSHI;IWAMOTO YASUAKI;SUGIURA HIDEKI;TAKIKAWA TADAO;KINSHO TOSHIHIKO;NODA HIDETOSHI;YAHIRO SHUHEI |
分类号 |
G03G9/00;G03G9/08;G03G9/087 |
主分类号 |
G03G9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|