IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To output a high-quality image over a long term by restraining the extreme lowering of the productivity of an image forming apparatus and the short-term and long-term lowering of color reproducibility. SOLUTION: When the image forming apparatus outputs the image, the density of...

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1. Verfasser: KODAMA HIROICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To output a high-quality image over a long term by restraining the extreme lowering of the productivity of an image forming apparatus and the short-term and long-term lowering of color reproducibility. SOLUTION: When the image forming apparatus outputs the image, the density of a patch is measured and corrected by making it possible to adjust density/gradation characteristic. When the image forming apparatus does not output the image, the chromaticity of the patch is measured and corrected by making it possible to adjust color characteristic. COPYRIGHT: (C)2005,JPO&NCIPI