Color and density calibration of color printers

Facsimile and static presentation processing – Static presentation processing – Attribute control

Reexamination Certificate

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Details

C358S518000, C382S167000

Reexamination Certificate

active

07466445

ABSTRACT:
A method for performing visual calibrations on a color printer. For calibrating relative intensities of colors, a predetermined image is printed by an image output apparatus. A user then selects a bias color and an intensity from a reference. The image output apparatus then adjusts its print engine based on the selection. For density calibration an image is printed, preferably once with a light background, and once with a dark background. The user then selects an adjustment after visually comparing the printed image with a reference image and adjusts the printer by noting whether details are missing from the printed image on the light background image or the dark background image.

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