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Apple Computer, Inc.
By Denny Carag
Adobe PhotoShop files that are converted to CMYK may print with a bluish caste on the Apple Color LaserWriter 12/600 PS printer. There could be a couple of reasons why it prints with a bluish caste.
Adobe Photoshop uses its own color space conversion when you convert images from RGB to CMYK. A better solution is to keep the image in RGB space, which allows ColorSync to use the input and output device profiles for conversion when printing an image.
Adobe Photoshop does have a "Printing Inks" setup that specifies the color space conversions, however, currently there are none available for the Color LaserWriter 12/600 PS printer. Apple Engineering may in the future work with Adobe to include one.
Components of the file are based on a different monitor profile. In other words, some of the images in the file may have been imported from another file that had a different input profile. If this is the case, the colors are not being mapped properly. The images should be imported using the current environment profiles, and then printed using ColorSync Color Matching.
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