User's Manual

Explanation of Job Rendering
Occasionally, the requested colors in an image are outside the gamut of the target
printer and cannot be exactly reproduced. Rendering provides color mapping between
the color gamut of the source image and the color gamut of the printer.
Select the Rendering option that best fits the images in the source files as they map to
the printer.
Additional Information About Using Embedded Rendering for CMYK & RGB
By enabling or disabling the Use Embedded Rendering check box, you can choose
whether to use or ignore any embedded rendering intents that may be in the print job.
By default, the check box is not selected and any rendering intents are ignored. When
selected, any embedded rendering intents take precedence over the queue default
settings. If there is no embedded rendering intent in the job, the queue default settings
are used even if the Use Embedded Rendering check box is selected.
Tip
The default settings on this window give optimal results with most print jobs. Only make
changes to the settings if you understand the effect that the changes will have to the
output.
To use the rendering already embedded within the job, select the Use Embedded
Rendering check box.
Otherwise, choose among the following options on the Images, Text, and Graphics
menus:
• Saturation: Optimizes the rendering of business graphics, such as charts and graphs.
Preserves 100% K, making it good for text.
• Perceptual: Optimizes the rendering of photographic images. Preserves the visual
relationship among colors as they are perceived by the human eye. All or most colors
are proportionally scaled to fit the output gamut, but their relationship does not
change.
• Relative Colorimetric: Optimizes the rendering of spot color and logos. This
transformation, however, uses additional information, such as hue and saturation,
specified in the source profile to select the most appropriate value within the printer
gamut. Colors that fall within the Output Color space remain the same. Only colors
that fall outside are changed to the closest possible color within the Output Color
space.
• Absolute Colorimetric: Optimizes the rendering of spot color and logos by identifying
the closest value within the printer gamut.
Note
You can choose different rendering options for images, text, and graphics to optimize
each output type appropriately.
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