Title:
TONER, DEVELOPER, DEVELOPMENT APPARATUS, AND IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2007241310
Kind Code:
A
Abstract:
To provide a toner capable of satisfying a transferring property, a fixing property and a cleaning property and forming a high-precision image.
The toner comprises at least a binder resin, a colorant and an inorganic filler and is the electrostatic charge image developing toner in which the average circularity of the toner is ≥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.
COPYRIGHT: (C)2007,JPO&INPIT
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Inventors:
ICHIKAWA TOMOYUKI
MOCHIZUKI MASARU
IWAMOTO YASUTAKA
SUGIURA HIDEKI
TAKIGAWA TADAO
KINSHO TOSHIHIKO
NODA HIDETOSHI
YAHIRO SHUHEI
MOCHIZUKI MASARU
IWAMOTO YASUTAKA
SUGIURA HIDEKI
TAKIGAWA TADAO
KINSHO TOSHIHIKO
NODA HIDETOSHI
YAHIRO SHUHEI
Application Number:
JP2007124894A
Publication Date:
September 20, 2007
Filing Date:
May 09, 2007
Export Citation:
Assignee:
RICOH KK
International Classes:
G03G9/08; G03G9/087
Domestic Patent References:
| JP2005049853A | 2005-02-24 |
Attorney, Agent or Firm:
Koichi Hirota