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Title:
TONER, DEVELOPER, DEVELOPER CONTAINER, AND IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2015025858
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide toner configured to improve heat-resistant preservability while preventing a transfer failure and scumming.SOLUTION: Toner includes a base particle containing a binder resin, and an external additive. The external additive contains a polyimide particle. The polyimide particle has a median size of 25-120 nm.

Inventors:
ISHII MASAYUKI
Application Number:
JP2013153663A
Publication Date:
February 05, 2015
Filing Date:
July 24, 2013
Export Citation:
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Assignee:
RICOH CO LTD
International Classes:
G03G9/08; G03G9/087; G03G15/08
Domestic Patent References:
JPH11153880A1999-06-08
JPH11237760A1999-08-31
JPH11153879A1999-06-08
JP2004292682A2004-10-21
JPS59204051A1984-11-19
JP2005070187A2005-03-17
JP2011197274A2011-10-06
Foreign References:
US20040137352A12004-07-15
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito



 
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