Title:
COLOR IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2002365872
Kind Code:
A
Abstract:
To enhance the color toner detecting capability in concentration con trol.
In the apparatus, when carrying out a patch examination of a color toner, a black toner layer is provided as a base.
Inventors:
TSURUYA TAKAAKI
FUNATANI KAZUHIRO
FUNATANI KAZUHIRO
Application Number:
JP2001172576A
Publication Date:
December 18, 2002
Filing Date:
June 07, 2001
Export Citation:
Assignee:
CANON KK
International Classes:
G01N21/47; G03G15/00; G03G15/01; G03G15/08; (IPC1-7): G03G15/01; G01N21/47; G03G15/00; G03G15/08
Attorney, Agent or Firm:
Takanashi Yukio