Image forming apparatus with density detecting means

Electrophotography – Control of electrophotography process – Of plural processes

Reexamination Certificate

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Reexamination Certificate

active

06879788

ABSTRACT:
The image forming apparatus includes an image forming unit capable of forming an image with a hypochromic toner and a hyperchromic toner of a substantially same hue, a first toner containing portion containing the hypochromic toner, a second toner containing portion containing the hyperchromic toner, and a density detecting unit which detects a density of an image formed with the hypochromic toner and the hyperchromic toner. Thus an image can be formed with the hypochromic toner and the hyperchromic toner of a substantially same hue.

REFERENCES:
patent: 6013403 (2000-01-01), Ichikawa
patent: 6120959 (2000-09-01), Sugizaki et al.
patent: 6327450 (2001-12-01), Ito
patent: 6498910 (2002-12-01), Haneda
patent: 58-39468 (1983-03-01), None
patent: 11-084764 (1999-03-01), None
patent: 2000-122359 (2000-04-01), None
patent: 2000-231279 (2000-08-01), None
patent: 2000-305339 (2000-11-01), None
patent: 2000-347476 (2000-12-01), None
patent: 2001-290319 (2001-10-01), None
patent: 2002-144250 (2002-05-01), None

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