Title:
TONER, DEVELOPER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Document Type and Number:
Japanese Patent JP2007206431
Kind Code:
A
Abstract:
To provide a toner that is superior in offset resistance and fixing separability, free of the problems of filming to a photoreceptor, and that is adaptable to full-color image formation.
The toner contains at least a colorant, a wax (release agent) and a binder resin. The average particle diameter Dw (μm) of the particles of the wax floating, when the toner is immersed in an organic solvent used for dissolving or swelling the binder resin and when centrifugal separation is carried out, satisfies Formula (1): (1/3)Dt≤Dw≤(2/3)Dt for the number average particle diameter Dt (μm) of the toner.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
ISHIKAWA YOSHIMICHI
NAKAMURA MINORU
NOZAKI CHIYOJI
NOZAKI TAKESHI
YAMAMOTO JUNJI
NAKAMURA MINORU
NOZAKI CHIYOJI
NOZAKI TAKESHI
YAMAMOTO JUNJI
Application Number:
JP2006025871A
Publication Date:
August 16, 2007
Filing Date:
February 02, 2006
Export Citation:
Assignee:
RICOH KK
International Classes:
G03G9/08; G03G9/087; G03G9/09; G03G15/00; G03G15/08
Domestic Patent References:
| JP2001013732A | 2001-01-19 | |||
| JP2003076056A | 2003-03-14 | |||
| JP2004271859A | 2004-09-30 | |||
| JP2003015358A | 2003-01-17 | |||
| JP2003255587A | 2003-09-10 |
Attorney, Agent or Firm:
Chieko Tateno