Installing additional ICC profiles on your computer34
Other color files40
Managing profiles on the EX Print Server43
CALIBRATION44
Calibration methods44
Calibrating with Command WorkStation45
Managing calibration sets46
Using the output profiles and calibration sets46
Adding custom calibration sets48
Adding custom calibration sets and output profiles48
Understanding calibration53
An overview of calibration53
How calibration works53
Scheduling calibration 55
Checking calibration status55
SPOT-ON56
Using Spot-On56
IMPORTING DENSITY MEASUREMENTS59
Simple ASCII Import File Format59
Example of 1D Status T density for EFI 21 patch page60
Example of 1D Status T density for EFI 34 patch page60
Example of 1D Status T density for an arbitrary page61
INDEX63
INTRODUCTION
Terminology and conventions
INTRODUCTION5
This document explains how to manage color output on the Xerox EX Print Server, Powered
by Fiery for the Xerox Color 1000 Press and provides information about calibration and color
profiles.
This document is part of a set that includes documentation for users and system
administrators. For a complete description of your Xerox EX Print Server, Powered by Fiery
for the Xerox Color 1000 Press, see the other documents available at your site.
For more information about supported operating systems and system requirements, see
Welcome.
This document uses the following terminology and conventions.
Term or conventionRefers to
AeroEX Print Server (in illustrations and examples)
PressXerox Color 1000 Press
EX Print ServerXerox EX Print Server, Powered by Fiery for the Xerox Color 1000
Press
Mac OSApple Mac OS X
Titles in italicsOther documents in this set
WindowsMicrosoft Windows XP, Windows Vista,
Windows Server 2003/2008, Windows 7
Topics for which additional information
is available by starting Help in the software
Tips and information
INTRODUCTION6
Term or conventionRefers to
About this document
This document is organized to supply you with key information about managing the color
output of your EX Print Server. To manage color in general, you use Command WorkStation.
You can also manage color for a specific job by setting print options in the printer driver or in
the job properties in Command WorkStation and Hot Folders.
A warning concerning operations that may lead to death or injury
to persons if not performed correctly. To use the equipment safely,
always pay attention to these warnings.
A caution concerning operations that may lead to injury to persons
if not performed correctly. To use the equipment safely, always pay
attention to these cautions.
Operational requirements and restrictions. Be sure to read these
items carefully to operate the equipment correctly, and avoid
damage to the equipment or property.
This document covers the following topics:
• Setting values for ColorWise print options
• Managing color profiles and other color files
• Calibrating the EX Print Server to achieve consistent color output
• Managing spot colors
• Importing calibration measurement data from a text file
NOTE: The Glossary in the Fiery Color Reference defines words in bold, for example, output
profile, that appear throughout this document. Color terms and concepts, such as “color
space,” “spot color,” “gamut,” and “source profile,” are used throughout this document. If you
are new to desktop color, or if any terms are unfamiliar, see the Fiery Color Reference.
INTRODUCTION7
Key features of ColorWise
ColorWise is the color management system (CMS) built into the EX Print Server and
designed to provide both casual and expert users with the best color output for a variety
of purposes. The ColorWise default settings provide high-quality, out-of-box color from
many Windows and Mac OS applications. This allows casual users to achieve quality output
without knowing about or changing any color settings on the EX Print Server. ColorWise also
allows expert users to obtain the best color output.
ColorWise features allow you to modify printing results. Depending on your particular needs,
you can:
• Set the behavior of CMYK printing to emulate offset press standards.
• Match PANTONE and other spot colors for the best match when printing using
four-color press conditions or presses with extra, custom plates.
• Select a rendering intent for RGB printing. Rendering intents allow for rich, saturated
printing of presentation graphics, smooth, accurate printing of photographs, and relative
or absolute colorimetric rendering for specialized needs.
• Define the source of incoming RGB color data for better color conversion of RGB data
with no source information.
• Determine whether RGB data is converted into the full gamut of the press or is first
converted into the gamut of another device, such as a press standard. This feature is useful
for making one device behave like another for RGB data. It also allows you to evaluate the
appearance of an RGB file under different printing conditions without having to convert
the RGB file to CMYK first.
ColorWise color management (ColorWise) offers an open color architecture, allowing
users to customize the EX Print Server to meet new printing needs as they arise. ColorWise
supports ICC profiles, which are industry standard color profiles that describe the color
behavior of a device. Note that ICC specification version 4 profiles (profile version 4.2.0.0)
are supported as well as version 2. Downloading ICC profiles to the EX Print Server enables
the EX Print Server to simulate a custom press (or another press), as well as accurately print
colors from a particular monitor or scanner. In addition, you can create customized ICC
profiles for the press.
INTRODUCTION8
Color management in Command WorkStation
Designed to give flexible control of color printing, Command WorkStation includes the
following color management tools:
• Color management
Command WorkStation allows you to set the default settings of the ColorWise print
options for the EX Print Server. These default settings are applied to all print jobs sent to
the EX Print Server, unless a user overrides them for an individual job by changing settings
in the printer driver or in Job Properties.
• Profiles
Command WorkStation allows you to manage all of the ICC profiles used in EX Print
Server workflows. You can also create custom profiles by editing existing CMYK source or
output profiles and saving them as new profiles. The AutoGray feature allows you to adjust
the gray balance of output profiles.
•Calibrator
For consistent color, calibrate the EX Print Server on a regular basis. Command
WorkStation includes an easy-to-use calibrator, which allows you to calibrate using an
optional spectrophotometer or densitometer (see “Calibration” on page 44).
Command WorkStation also allows you to use any Status T densitometer by importing
data in a standard file format (see “Importing Density Measurements” on page 59). In this
case, it is important to note that the quality of the instrument used determines the quality
of the calibration.
• Spot-On (spot colors)
Spot-On is a spot color (named color) manager. If Spot-On is available for your EX Print
Server and is enabled, you can adjust and manage lists of spot colors and their CMYK
equivalents. The matching lists of spot colors and CMYK values are known as spot color
dictionaries. Spot-On allows you to edit spot color definitions on the EX Print Server and
create custom spot color definitions and dictionaries.
Installing and starting Command WorkStation on a Windows or Mac OS computer is
described in Utilities. Command WorkStation can be installed from the User Software DVD
or from the EX Print Server over the network.
COLORWISE PRINT OPTIONS9
COLORWISE PRINT OPTIONS
The ColorWise color management system provides print options that affect the output of
objects in various color spaces. By specifying the appropriate settings for each print option,
you can obtain the expected results for your jobs.
About this chapter
This chapter provides an overview of the ColorWise management system, which controls
color on the EX Print Server (see page 10), and detailed explanations of each print option. For
the location of each print option, see the following table.
ColorWise print optionSee
Auto Trappingpage 11
Black Overprintpage 12
Black Text and Graphicspage 13
CMYK/Grayscale Processing Methodpage 14
CMYK/Grayscale Source or Device Linkpage 15
Combine Separationspage 16
Composite Overprintpage 17
Gray (RGB and CMYK)page 18
Output Profilepage 18
PDF/X Output Intentpage 19
RGB/Lab Rendering Intentpage 20
RGB Source or Device Linkpage 21
Separate RGB/Lab to CMYK Sourcepage 22
Spot Color Matchingpage 23
Substitute Colorspage 24
Use Embedded Profile If Presentpage 24
This chapter also provides information about PostScript printer drivers and instructions for
setting the ColorWise print options for Windows and Mac OS computers. For information
about printer drivers, see page 27.
COLORWISE PRINT OPTIONS10
Managing color on the EX Print Server
Applications allow you to generate color data for the EX Print Server in many different color
spaces. The most common type of color data produced from office applications is RGB,
while prepress applications generally produce CMYK data. Desktop applications also generate
spot colors, such as PANTONE colors. To complicate matters, a single page may contain a
mix of RGB, CMYK, and spot colors. The EX Print Server allows you to control the printing
of mixed-color documents with features that apply specifically to RGB, CMYK, or spot color
data.
The following diagram illustrates the print options in the EX Print Server color management
process that affect color data conversions. You can access these print options when you send a
print job to the EX Print Server. Most of these options and settings are described in
subsequent sections of this chapter.
RGB data➪RGB Source
Gray (RGB)
RGB/Lab Rendering Intent
Brightness
Black Text and Graphics
Separate RGB/Lab to CMYK Source
Output Profile
CMYK data
Spot color data➪Spot Color Matching
CMYK/Grayscale Source
➪
CMYK/Grayscale Processing Method
Gray (CMYK)
Brightness
Black Text and Graphics
Combine Separations
Output Profile
RGB Source or Device Link is the only color option that applies strictly to RGB color data.
The other options that affect RGB color also affect the more rarely used Lab, XYZ, and other
calibrated color spaces.
NOTE: With PostScript 3, a PostScript job can include calibrated CMYK (or
CIEBasedDEFG) data. The RGB/Lab Rendering Intent print option, which normally affects
only RGB data, affects calibrated CMYK data as well. The RGB Source or Device Link
setting does not affect calibrated CMYK data.
➪➪
EX Print Server
color processor
Color data sent
to press
COLORWISE PRINT OPTIONS11
Descriptions of ColorWise print options
The following sections provide detailed explanations of the ColorWise print options and how
these options affect print jobs.
NOTE: For information about the following print options, see Fiery Graphic Arts Package.
•Halftone Simulation
•Paper Simulation
• 2-Color Print Mapping
Auto Trapping
Trapping is a technique where the size of objects is modified so that colors printed next to
each other overlap slightly, to prevent white spaces between two colors. These white spaces, or
“halos,” can be caused by factors such as misregistration, the physical properties of the dry
inks, and the stiffness of the media. This illustration shows the same image with and without
trapping.
If you enable the Auto Trapping option, trapping is applied to all of the objects in a job.
The EX Print Server is shipped with trapping values that are optimized for a Fiery-driven
print device using regular paper. If these values do not provide the results necessary for the
media that you use, and if Fiery Graphic Arts Package, Premium Edition is configured on the
EX Print Server, you can modify the values to meet your requirements. For more information,
see Fiery Graphic Arts Package.
COLORWISE PRINT OPTIONS12
Black Overprint
The Black Overprint option allows you to specify whether or not black text or black text and
graphics, defined as RGB=0, 0, 0, or as CMYK=0%, 0%, 0%, 100%, overprints colored
backgrounds.
•
Text: Black text overprints colored backgrounds, eliminating white gaps and reducing the
halo effect or misregistration of colors. You can choose this setting only if the Black Text
and Graphics option is set to Pure Black On.
•
Text & Graphics: Black text and graphics overprint colored backgrounds, eliminating
white gaps and reducing halo effects or misregistration of colors. You can choose this
setting only if the Black Text and Graphics option is set to Pure Black On.
•
Off: Black text or text/graphics knocks out colored backgrounds.
NOTE: Before sending the print job to the press, PostScript applications may perform their
own black overprint conversions.
One example of how you might use this setting is a page that contains black text on a light
blue background. The background blue is CMYK=40%, 30%, 0%, 0%. The black text is
CMYK=0%, 0%, 0%, 100%.
• With Black Overprint set to Text or Text & Graphics, the final text or text/graphic
portions of the page are overprinted, or combined with the underlying color. Black colors
generated by applications (for example, RGB=0, 0, 0 or CMYK=0%, 0%, 0%, 100%) are
printed using the black dry ink. This means that black text and line art does not exhibit
halftone artifacts (as long as the press is calibrated correctly). No transition in cyan and
magenta dry inks occurs. The quality of the output is improved, because it does not show
artifacts near the edges of the black text.
• With Black Overprint Off, the border of the text or text/graphics is on an edge that has
cyan and magenta dry inks on one side (outside the text) and black dry ink on the other
side (inside the text). This transition may cause visible artifacts due to the practical
limitations of the press.
NOTE: The reproduction of CMYK components is affected by the CMYK/Grayscale Source
setting and calibration curve when CMYK is not 0%, 0%, 0%, 0%.
COLORWISE PRINT OPTIONS13
Black Text and Graphics
The Black Text and Graphics option affects black text and vector graphics. Under most
circumstances, set this option to Pure Black On. When Black Text and Graphics is set to Pure
Black On, black colors generated by applications (for example, RGB=0, 0, 0 or CMYK=0%,
0%, 0%, 100%) are printed using black dry ink only. The black text and line art do not
exhibit halftone artifacts (as long as the press is calibrated correctly) and are not misregistered,
since one dry ink is used. In addition, this setting eliminates blasting. This option must be set
to Pure Black On if you want to set the Black Overprint option to Text or Text/Graphics.
For some jobs, it is preferable to set this option to Normal, for example, if the page includes
gradient fills that use black. The following table describes the behavior of the Black Text and
Graphics option with black data defined in different color spaces.
NOTE: Use the Black Text and Graphics option only when printing composites, not when
printing separations.
ColorBlack Text and Graphics = NormalBlack Text and Graphics = Pure Black On or
Rich Black On
RGB=0,0,0
(all other RGB values are
unaffected by the Black Text
and Graphics setting)
CMYK=0%,0%,0%,100%
(all other CMYK values are
unaffected by the Black Text
and Graphics setting)
Spot Colors
(unaffected by the Black Text
and Graphics setting)
RGB=0,0,0 is printed according to the definition
for RGB=0,0,0 in the output profile. This may
be a rich black using all dry inks if the output
profile specifies a rich black, or may be K-only
if the output profile specifies K-only for
RGB=0,0,0. The output is affected by the
calibration curve.
CMYK=0%,0%,0%,100% may be printed as
K-only or as a rich black using all dry inks,
depending on the CMYK/Grayscale Source
setting.
If CMYK/Grayscale Source is set to a specific
profile, CMYK=0%,0%,0%,100% prints as
K-only and the amount of black dry ink is
limited by the CMYK Source profile and the
calibration curve.
Setting CMYK/Grayscale Source to ColorWise
Off disables the CMYK Source profile and the
calibration curve. In this case, the black dry ink
is not limited by the calibration curve.
Standard spot color processingStandard spot color processing
RGB=0,0,0 is printed as K-only, using the black
dry ink (Pure Black On) or 100% K plus 50%
Cyan (Rich Black On) using black and cyan dry
inks. All other RGB values are unaffected by the
Black Text and Graphics setting.
CMYK=0%,0%,0%,100% is printed as K-only,
using the black dry ink (Pure Black On) or
100% K plus 50% Cyan (Rich Black On) using
black and cyan dry inks, regardless of the
CMYK/Grayscale Source and CMYK/Grayscale
Processing Method settings. All other CMYK
values are unaffected by the Black Text and
Graphics setting.
Setting CMYK/Grayscale Source to ColorWise
Off disables the CMYK source profile and the
calibration curve. In this case, the black dry ink
is not limited by the calibration curve.
NOTE: PostScript applications, such as QuarkXPress, may convert elements defined as
RGB=0, 0, 0 to four-color CMYK black before sending the job to the EX Print Server. These
elements are not affected by the Black Text and Graphics option. For more information, see
Fiery Color Reference.
COLORWISE PRINT OPTIONS14
CMYK/Grayscale Processing Method
The CMYK/Grayscale Processing Method allows you to define your preferred
CMYK-to-CMYK conversion technique.
•
Quick applies one-dimensional transfer curves to adjust output densities in the cyan,
magenta, yellow, and black channels. This technique leads to eye-pleasing color output
from your press because pure primary colors are not “contaminated” by other colorants.
While it is the fastest simulation method and perfect for drafts, avoid using it for final
documents that are used as press proofs. Other techniques offer the color simulation
accuracy required by proofing applications.
•
Full (Source GCR) provides a complete and accurate simulation based on colorimetric
transformations. Hues are preserved, even for primary colors. The Gray Component
Replacement level specified in the original (source) document is preserved. Process black
expressed in CMY is reproduced using CMY dry ink. Full (Source GCR) is recommended
for the highest quality press proofing applications.
•
Full (Output GCR) is a complete and accurate simulation method based on colorimetric
transformations. Hues are preserved, even for primary colors. With this method, the Gray
Component Replacement (GCR) level that was specified in the original document is not
preserved. Instead, all CMYK data is reseparated using the GCR level specified by the
output profile. This simulation technique is similar to traditional ICC color matching
methods and is more appropriate than Full (Source GCR) for full color printing designed
for the press, but reproduced on your press.
NOTE: When you specify Pure Black On for Black Text and Graphics and Full (Output GCR)
or Full (Source GCR) for CMYK/Grayscale Processing Method, the black text and graphics in
your document are printed with 100% black-only dry ink.
COLORWISE PRINT OPTIONS15
CMYK/Grayscale Source or Device Link
The CMYK/Grayscale Source or Device Link print option allows you to print press proofs or
simulations. This setting specifies the offset press standard or other color printing device that
you want to simulate. This option affects CMYK data only.
When you specify a setting other than None or ColorWise Off for the CMYK/Grayscale
Source, the EX Print Server overrides source color space definitions or profiles that other
color management systems may have specified. In cases where you do not want this setting to
override another specified source color space, choose None.
If your document contains an embedded CMYK profile that you want to use, select the Use
Embedded Profile If Present (CMYK) option (see “Use Embedded Profile If Present (RGB
and CMYK)” on page 24. In this case, the CMYK/Grayscale Source setting is ignored and the
embedded profile is used instead.
In the printer driver, you can view an unlimited number of custom Full simulations created
using Command WorkStation. The number of custom simulations is limited by the available
disk space on the EX Print Server.
The CMYK/Grayscale Source setting you specify depends on the press standard for which the
CMYK data was separated.
• For images that were separated using a custom separation (such as a separation produced
with an ICC profile), choose the corresponding profile on the EX Print Server with the
CMYK/Grayscale Source setting.
• For images that were separated for SWOP, choose SWOP as the CMYK/Grayscale Source
setting.
To properly simulate a printed image that was separated using an ICC profile, the same profile
must be present on the EX Print Server. For more information about importing ICC profiles
to the EX Print Server, see Command WorkStation Help.
Two settings are available if you want no CMYK simulation:
• The None setting sends your original CMYK data to the press with calibration applied,
but without conversions to simulate another printer.
The None setting is recommended if you use another color management system instead of
ColorWise (for example, ColorSync or Photoshop). In this case, the EX Print Server is
expecting to receive CMYK data already in the device color space of the EX Print Server.
The EX Print Server will not convert the data, but it will apply calibration.
• The ColorWise Off setting sends your original CMYK data to the press without
calibration applied and without conversions to simulate another printer. The CMYK data
is still subject to maximum density constraints, however.
The ColorWise Off setting is not available as a setting in Command WorkStation and
cannot be the default CMYK/Grayscale Source setting. You choose this setting for a
specific job.
COLORWISE PRINT OPTIONS16
NOTE: When you print with the ColorWise Off setting, make sure the options you choose in
your application do not cause the application to modify CMYK data. If you enable PostScript
Color Management or include an embedded profile, the color data sent by the application is
similar to Lab color. When you print with settings like Let Printer Determine Colors or Let
Photoshop Determine Colors, the application either converts the CMYK data or tags it for
color management. You must specify No Color Management in the application when you
print with the ColorWise Off setting.
Combine Separations
The Combine Separations setting specifies how to print separated CMYK data. It supports:
Cyan, Magenta, Yellow, Black.
With the Fiery Graphic Arts Package or Fiery Graphic Arts Package, Premium Edition, you
can combine an unlimited number of spot color separations along with the CMYK
separations. For more information, see Fiery Graphic Arts Package.
•
Off prints each separation individually.
•
On combines separations as a single, composite-color document, and automatically makes
the settings for the following print options: Color Mode (CMYK) and Black Overprint
(Off).
The results of combining the multiple plates are predictable and accurate, regardless of the
original application used. This feature also fully supports DCS 2.0 file formats when included
in a PostScript print job from a page layout application.
The following applications have been tested with Mac OS and Windows for compatibility
with the Combine Separations option:
• Adobe Illustrator
• Adobe InDesign
• Adobe PageMaker
• Adobe FreeHand
• QuarkXPress
For information about using the Combine Separations option with applications such as
Photoshop, see Fiery Color Reference.
COLORWISE PRINT OPTIONS17
Composite Overprint
When overlapping objects are printed, the foreground object can either overprint or knock
out the background object. With overprinting, the color of the background object shows
through the foreground object where they overlap, and the resulting color is a combination of
the colors of the two objects. With a knock-out, the foreground object hides the background
object where they overlap.
The Composite Overprint print option allows you to print overprinted objects as specified in
the source file. By default, the Composite Overprint print option is off and overlapping
objects print as knockouts.
NOTE: The Composite Overprint option does not overprint the foreground object if it is an
RGB object.
The Composite Overprint print option is supported for PostScript and PDF jobs produced
by the following applications:
• Adobe Acrobat
• Adobe Illustrator
• Adobe InDesign
• Adobe FreeHand
• QuarkXPress
•CorelDRAW
The 2-Color Print Mapping option is ignored when Composite Overprint is enabled.
COLORWISE PRINT OPTIONS18
Gray (RGB) and Gray (CMYK)
When Gray (RGB) is enabled, any RGB color where R=G=B is printed using only black dry
ink instead of processed black. Similarly, when Gray (CMYK) is enabled, any CMYK color
where C=M=Y=0 and K=any value is printed using only black dry ink instead of processed
black.
You can choose to apply the Gray (RGB) or Gray (CMYK) option to either Text and Graphics
or to Text, Graphics, and Images.
The following limitations apply:
• The Gray (RGB) or Gray (CMYK) option has no effect on a job that is pre-separated.
• If CMYK/Grayscale Processing Method is set to Quick, the Gray (CMYK) setting does
not affect the output.
• If Separate RGB/Lab to CMYK Source is enabled, the Gray (RGB) option is set to Off.
Likewise, if the Gray (RGB) option is not set to Off, you cannot enable Separate RGB/Lab
to CMYK Source.
• If Black Text and Graphics is set to Pure Black On or Rich Black On, it takes precedence
over Gray (RGB) or Gray (CMYK) for 100% black text and graphics.
• If a gray is specified as a spot color, the Gray (RGB) or Gray (CMYK) option does not
affect that gray.
Output Profile
Because the output profile is applied to all data in the print job, make sure the profile you
select is the right one for your job. The default output profile consists of a profile for your
press that describes its color characteristics and a calibration target that describes the expected
behavior of the press.
Use Command WorkStation to import your own output profile to the EX Print Server.
Imported output profiles that do not already include a calibration target are at first associated
with the calibration target that is tied to the default output profile. You can edit calibration
target D-Max values separately.
Select the Use Media Defined Profile setting to automatically apply the output profile
associated with the media type used in a print job rather than setting a specific output profile.
For more information, see Command WorkStation Help.
COLORWISE PRINT OPTIONS19
PDF/X Output Intent
PDF/X is a subset of the PDF specification. PDF files can contain a variety of elements (text,
graphics, even animations) and it is not always obvious how these elements should be
displayed or printed. PDF/X was designed with a focus on high quality printing. It excludes
the use of PDF features that are not appropriate for graphic arts and adds features that prevent
ambiguities related to printing. A PDF/X compliant document contains embedded
information about the intended printing conditions for the document.
The PDF/X Output Intent option, when enabled for a PDF/X job, specifies that the EX Print
Server use the PDF/X output intent embedded in the PDF/X document. Typically, whether
you use this option depends on whether you are using the EX Print Server for proofing or for
production (final) printing.
Prints for proofing are expected to look exactly like the output of the final production device,
regardless of the capabilities of the EX Print Server or the press. For instance, when proofing
Newsprint, you want the color gamut of the press to be very limited compared to its
capabilities. In production, you usually want to maximize the use of the press gamut by
applying specific color features of the EX Print Server or the press. Even in production,
however, you might choose to limit the color gamut in order to achieve consistency in the
color produced by different devices.
The PDF/X Output Intent option only affects PDF/X files (conforming to the PDF/X3 or
PDF/X-1a standard). It has no effect on non-PDF files or PDF files that are not PDF/X
compliant. Profiles specified by PDF/X files must be embedded in the files, not referenced
from an external locations.
NOTE: With the Fiery Graphic Arts Package, Premium Edition option, you can use a Hot
Folders filter to determine if a PDF file is PDF/X compliant. For information about this Hot
Folders filter, see Hot Folders Help.
When PDF/X Output Intent is enabled and no other setting conflicts, the EX Print Server
processes a PDF/X compliant file in a way that produces results defined by the intents and
source color spaces embedded in the file. The EX Print Server ignores the CMYK/Grayscale
Processing Method and CMYK/Grayscale Source options. The rendering intents in the
PDF/X file are used and the printed output is limited to the color gamut specified by the
output profile embedded in the file.
When PDF/X Output Intent is disabled, the EX Print Server ignores the PDF/X output
intent.
You can specify the PDF/X Output Intent print option for a job in Job Properties in
Command WorkStation but not when you print from the printer driver. PDF/X files can be
imported directly to the EX Print Server using Command WorkStation or Hot Folders, but
printer drivers always convert PDF before sending a job to the EX Print Server. The PDF/X
Output Intent option does not appear in the printer driver.
COLORWISE PRINT OPTIONS20
RGB/Lab Rendering Intent
The RGB/Lab Rendering Intent option specifies a rendering intent for color conversions. To
control the appearance of images, such as prints from office applications or RGB photographs
from Photoshop, select the appropriate rendering intent. The EX Print Server allows you to
choose from the four rendering intents currently found in industry standard ICC profiles.
EX Print Server
rendering intent
Photographic: Typically results
in less saturated output than
presentation rendering when
printing out-of-gamut colors. This
style preserves tonal relationships in
images.
Presentation:
colors but does not match printed
colors precisely to displayed colors.
In-gamut colors, such as flesh
tones, are rendered well. This style is
similar to the Photographic
rendering intent.
Relative Colorimetric:
white-point transformation between
the source and destination white
points. For example, the bluish
white color (gray) of a monitor is
replaced by paper white. This style
avoids visible borders between
blank spaces and white objects.
Absolute Colorimetric:
no white point transformation
between the source and destination
white points. For example, the bluish
white color (gray) is not replaced
by paper white.
Creates saturated
Provides
Provides
Best used forEquivalent ICC
rendering intent
Photographs, including scans and
images from stock photography
CDs and digital camera images.
Artwork and graphs in
presentations. In many cases, this
style can be used for mixed pages
that contain presentation graphics
and photographs.
Advanced use when color matching
is important, but you prefer white
colors in the document to print
as paper white. This style may
also be used with PostScript color
management to affect CMYK
data for simulation purposes.
Situations when exact colors are
needed and visible borders are not
distracting. This style may also be
used with PostScript color
management to affect CMYK
data for simulation purposes.
Image, Contrast,
Perceptual
and
Saturation,
Graphics
Relative
Colorimetric
Absolute
Colorimetric
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