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Patent Searching and Data


Title:
画像形成装置
Document Type and Number:
Japanese Patent JP4095637
Kind Code:
B2
Abstract:

To provide an image forming apparatus which is excellent in gradation in the whole area, free from granularity, and excellent in the gradation, even in an intermediate density area where light color toner and dark color toner coexist.

Regarding the image forming apparatus having a plurality of color toners for developing an electrostatic latent image formed on an image carrier, and forming a toner image with the light toner and the dark toner with reference to at least one color among the plurality of colors, the apparatus is provided with an image quality checking means for checking the image quality of the image by using a patch image.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Nobuyuki Ito
Tomohito Ishida
Yasukazu Ayaki
Takeshi Ikeda
Isomi Ito
Yukio Nagase
Application Number:
JP2005301882A
Publication Date:
June 04, 2008
Filing Date:
October 17, 2005
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G15/01; B41J2/44; G03G15/00; G03G15/08; H04N1/29
Domestic Patent References:
JP2001290319A
Attorney, Agent or Firm:
Kazunobu Sera
Yoshiyuki Kawaguchi
Mayuko Wakuda