Xerox Fiery X12, Fiery XP12 Color Guide

0 (0)

Fiery X12/XP12

COLOR GUIDE

for DocuColor 12

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Contents

Introduction

About this manual

xiii

Key features of ColorWise

xiv

Chapter 1: Fiery Color Management

Managing color on the Fiery

1-1

Rendering styles 1-5

RGB Source Proﬁle 1-6

RGB Separation 1-7

CMYK Simulation Proﬁle 1-8

CMYK Simulation Method 1-9

Output Proﬁle 1-9

Pure Black Text/Graphics 1-10

Black Overprint 1-11

Spot Color Matching 1-12

PostScript Printer Drivers and Print Options

1-13

What a PostScript printer driver does 1-13

Adobe PostScript printer driver for Windows 95/98 and Windows NT 4.0 1-14

Adobe PostScript printer driver for Mac OS 1-17

Chapter 2: Simple and Advanced Workﬂows

Workﬂow concepts

2-1

Short-run printing versus color prooﬁng 2-1

RGB, CMYK, and PANTONE colors 2-2

Desktop versus Fiery color management 2-3

Simple workﬂows

2-4

Select your colors wisely 2-4

Select a short workﬂow 2-5

viii Contents

Advanced workﬂows

2-9

Short-run printing examples 2-9

Color prooﬁng examples 2-15

Chapter 3: Color Calibration

Introduction

3-1

Understanding calibration

3-2

How calibration works 3-2

Scheduling calibration 3-4

Checking calibration status 3-5

Using a densitometer

3-5

Setting up the densitometer 3-5

Calibrating the densitometer

3-8

Calibrating with ColorWise Pro Tools

3-9

Expert Mode 3-13

Calibrating from the Control Panel using AutoCal2

3-15

Chapter 4: ColorWisePro Tools

Proﬁle Manager

4-1

Setting the default proﬁles 4-3

Downloading proﬁles 4-5

Editing proﬁles 4-7

Managing proﬁles 4-7

Deﬁning proﬁles 4-8

Changing global settings 4-11

Color Editor

4-13

Editing Proﬁles 4-13

Undoing simulation edits 4-20

Checking edited proﬁles 4-22

ix Contents

Chapter 5: Working with Color in Applications

Working with color

5-1

Color reference pages 5-2

Ofﬁce applications

5-3

Choosing colors in ofﬁce applications 5-4

PostScript applications

5-5

Choosing colors in PostScript applications 5-5

Default output proﬁle 5-8

CMYK simulation 5-8

Chapter 6: Ofﬁce Applications

Working with ofﬁce applications

6-1

Deﬁning colors 6-1

Working with imported ﬁles 6-1

Selecting options when printing 6-2

Output proﬁles 6-2

Chapter 7: Adobe Photoshop

Photoshop 5.x

7-1

Photoshop 5.x color settings 7-1

ColorSync defaults 7-6

Deﬁning colors 7-7

Saving ﬁles for importing into other documents 7-7

Selecting options when printing 7-9

Printing tips for advanced users 7-11

Photoshop 4.0

7-13

Deﬁning colors 7-13

Saving ﬁles for importing into other documents 7-13

Selecting options when printing 7-15

x Contents

Chapter 8: Page Layout Applications

Working with page layout applications

8-1

Deﬁning colors 8-1

Importing images 8-2

CMYK simulation 8-3

Adobe PageMaker 6.5 for Mac OS and Windows

8-4

Importing images 8-4

Selecting options when printing 8-5

Optional Color Management from PageMaker 8-6

QuarkXPress 4.02 for Mac OS and Windows

8-7

Importing images 8-7

Selecting options when printing 8-8

Optional Color Management from QuarkXPress 8-9

QuarkXPress 3.32 for Mac OS and Windows

8-9

Importing images 8-9

Selecting options when printing 8-10

Chapter 9: Illustration Applications

Working with illustration applications

9-1

Deﬁning colors 9-1

Importing images 9-2

CMYK simulation 9-2

Adobe Illustrator 8.x for Windows and Mac OS

9-3

Deﬁning colors 9-3

Importing images 9-3

Optional Color Management in Illustrator 9-4

Selecting options when printing 9-4

Saving ﬁles for importing into other documents 9-5

xi Contents

Macromedia FreeHand 8.x for Windows and Mac OS

9-6

Deﬁning colors 9-6

Importing images 9-6

Selecting options when printing from FreeHand 9-7

Saving ﬁles for importing into other documents 9-8

Optional Color Management in FreeHand 9-9

CorelDRAW for Windows and Mac OS

9-9

Deﬁning colors 9-9

Importing images 9-9

Selecting options when printing 9-10

Saving ﬁles for importing into other documents 9-11

Optional Color Management in CorelDRAW 9-11

Appendix A: Desktop Color Primer

The properties of color

A-1

The physics of color A-1

CIE color model A-2

Hue, saturation, and brightness A-3

Additive and subtractive color systems A-3

Printing techniques

A-5

Halftone and continuous tone devices A-6

Using color effectively

A-6

A few rules of thumb A-7

Color wheel A-7

Color and text A-8

Raster images and vector images

A-9

Optimizing ﬁles for processing and printing

A-10

Resolution of raster images A-10

Scaling A-12

xii Contents

Appendix B: Color Management

Controlling printed color

B-1

Maintaining copier consistency B-2

Print device gamut B-2

Basics of color management

B-3

Color conversion B-4

Appendix C: Importing densitometer measurements

Simple ASCII Import File Format (SAIFF)

C-1

Example of 1D Status T density for EFI 34 patch page C-2

Example of 1D Status T density for EFI 21 patch page C-2

Example of 1D Status T density for an arbitrary page C-3

Glossary

Bibliography

Index

xiii About this manual

Welcome to the

Color Guide

. This manual introduces you to the concepts and issues

associated with printing to the Fiery X12/XP12 Color Server

™

. It outlines key

workﬂow scenarios, provides information on calibration and color proﬁles, and

contains application notes that explain how to print to the Fiery X12/XP12 Color

Server from popular Microsoft Windows and Apple Mac OS applications.

This manual is one book in a set of documentation that also includes manuals for users

and system administrators. All the other manuals should be available at your site—

refer to them for a complete description of your Fiery X12/XP12 Color Server.

OTE

The term “Fiery

” is used in this manual to refer to the Fiery X12 or Fiery XP12

Color Server. The Fiery supports the DocuColor 12 color copier; the term “copier” is

used in this manual to refer to this supported device. The term “ColorWise

” is used

to refer to ColorWise 2, the current version of the Fiery’s built-in color management

system.

This icon speciﬁes information, features, or procedures that apply only to the

Fiery XP12.

About this manual

This manual is organized to supply you with key information about managing the

color output of your Fiery. Chapter 1 discusses the Fiery’s print options and how

to get the best color results, and Chapter 2 describes several effective workﬂows.

ColorWise Pro Tools

™

are discussed in the next two chapters. Chapter 3 covers

Calibrator

™

and other methods used to calibrate the copier, and Chapter 4 takes you

through the features of Proﬁle Manager

™

, used to manage color proﬁles on the Fiery,

and Color Editor

™

, which lets you customize simulation and output proﬁles.

Succeeding chapters offer tips for printing from business and graphics applications.

Finally, the appendixes offer information about color theory and color management.

Introduction

XP12

xiv Introduction

Words in bold, for example,

output proﬁle

, are terms that appear in the glossary.

The bibliography at the end of this manual provides sources for further investigation of

color printing issues.

OTE

Starting on this page, color terms and concepts such as “RGB data,” “color

space,” “spot color,” “gamut,” and “source proﬁle” are used throughout this manual. If

you are new to desktop color or if any terms are unfamiliar, be sure to read Appendixes

A and B or check the glossary.

Key features of ColorWise

ColorWise

is the second-generation

color management system

(CMS) built into the

Fiery and designed to provide both casual and expert users the best color output for a

variety of purposes. The ColorWise default settings were speciﬁcally selected to provide

great out-of-box color from many applications and Windows and Mac OS platforms.

This means that casual users can get good quality output without knowing about or

changing any color settings on the Fiery.

To get consistent color, you should be sure the Fiery is calibrated on a regular basis.

ColorWise Pro Tools include a simple-to-use calibrator, which allows you to calibrate

using either the scanner that comes with the copier or an optional densitometer (see

Chapter 3).

There are a number of features you can use to modify printing results. Depending on

your particular needs, you can:

• Set the behavior of CMYK printing to emulate DIC, Euroscale, and SWOP offset

press standards

• Match PANTONE colors for the best match when printed using four-color press

conditions or when printed using presses with extra, custom plates

xv Key features of ColorWise

• Select a

color rendering dictionary

(CRD), also called a rendering style, for RGB

printing. CRDs 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 screen matching and

provide for better color conversion of RGB data with no source information

• Deﬁne whether RGB data is converted into the full gamut of the copier or whether

it is ﬁrst converted into the gamut of another device, such as a press standard. This

feature is very helpful for making one device behave like another. It is also useful for

evaluating the appearance of the RGB ﬁle under different printing conditions

without having to reprocess the RGB data each time

ColorWise offers an open color architecture, letting users customize the Fiery to meet

new printing needs as they arise. ColorWise supports ICC proﬁles, which are industry

standard color proﬁles that deﬁne the color behavior of a device. By downloading ICC

proﬁles to the Fiery, it can simulate a custom press (or another copier) as well as

accurately print colors from a particular monitor or a particular scanner. In addition,

you can create customized ICC proﬁles for the copier.

ColorWise also lets you use any Status T densitometer by importing data in a standard

ﬁle format (see Appendix C). In this case, it is important to note that the quality of the

instrument used determines the quality of the calibration.

1-1 Managing color on the Fiery

The ﬁrst part of this chapter describes the options available from the ColorWise color

management system and explains how you can customize the color settings for your

particular needs. It provides descriptions of the preset default settings of ColorWise

and covers additional options for users who need to customize ColorWise.

Beginning on page 1-13 is a detailed explanation of what a PostScript Level 2 or

PostScript 3 printer driver does, as well as information on the capabilities of various

printer drivers and instructions for setting color options with the PostScript drivers for

Windows NT 4.0, Windows 95/98, and Mac OS.

OTE

Most of the color management features described in this chapter are available

only with the PostScript driver, not with the PCL driver.

Managing color on the Fiery

There are three ways to modify the Fiery’s printing behavior:

• You can select ColorWise options for an individual print job using menus that

appear from the printer driver.

• You can select most ColorWise options as server defaults from Fiery Setup or from

the Control Panel, as described in the

Conﬁguration Guide

. These defaults will apply

to all subsequent print jobs unless you override them.

• You can select some ColorWise options, particularly default

ICC proﬁle

settings

and calibration options, from ColorWise Pro Tools. These options include default

Simulation Proﬁle (see page 1-8), Simulation Method (see page 1-9), Appear in

Driver as (see page 4-8), default Source Proﬁle (see page 1-6), RGB Separation (see

page 1-7), and associated calibration set (see page 3-3).

Applications can generate color data for the Fiery 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 can 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 Fiery lets users control the

printing of these mixed-color documents with features that apply speciﬁcally to RGB,

CMYK, or spot color data.

Chapter 1:

Fiery Color

Management

1-2 Fiery Color Management

Fiery color management generates CMYK data to be sent to the copier; additional

processing may then be performed before printing begins.

The diagram below illustrates the print options in the Fiery color management process

that affect color data conversions. You access these print options when you send a print

job to the Fiery. Most of these options and settings are described in subsequent

sections of this chapter.

RGB Source Proﬁle 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.

OTE

For users who are familiar with PostScript 3.0 color, RGB Source Proﬁle affects

all CIEBasedABC color spaces (if the source space is RGB). Also, if you send CMYK

data to the Fiery in CIEBasedDEFG format, for example, by choosing PostScript

Color Management in Adobe Photoshop, the Fiery’s Rendering Style selection—which

normally affects only RGB data—will also affect this CMYK data.

Rendering Style (CRD)

Brightness

RGB Source Proﬁle

Brightness

CMYK Simulation Proﬁle

Gamma

Phosphors

White Point

Pure Black Text/Graphics

CMYK Simulation Method

RGB Separation

Black Overprint

Combine Separations

Output proﬁle

Pure Black Text/Graphics

Black Overprint

Color data

sent to

copier

Fiery

color

processor

RGB data

CMYK data

Output proﬁle

Spot color data

Spot Color Matching

1-3 Managing color on the Fiery

Settings for the following options can be speciﬁed via print options when you send a

job to the Fiery. Some can also be set as defaults by the administrator during Fiery

Setup. Settings speciﬁed via print options override the defaults.

Fiery color print option: What it does:

Brightness

85% Lightest to 115% Darkest

Performs a color adjustment on all color channels to make the printed output

lighter or darker. (This feature is available with the PostScript driver only.)

Rendering Style

Photographic/Presentation/Relative

Colorimetric/Absolute Colorimetric

(Default set at Setup)

Applies a Fiery color rendering style (CRD) to RGB data (see page 1-5), or to

any incoming data with a PostScript source color space deﬁnition, including

CMYK. (This feature is available with the PostScript driver only.)

RGB Source Proﬁle

EFIRGB/sRGB (PC)/Apple Standard/Other/

Source 1

-10/None

(Default set at Setup or with

ColorWise Pro Tools)

Applies an RGB source space deﬁnition to RGB data (see page 1-6). If you

choose the Other setting, you can specify particular settings for gamma,

phosphors, and white point. See the corresponding options in this table. This

option, along with Gamma, Phosphors, and White Point, are the only

ColorWise options that affect only DeviceRGB or calibrated RGB color spaces.

(This feature is available with the PostScript driver only.)

(Other) Gamma

1.0/1.2/1.4/1.6/1.8/2.0/2.2/2.4/2.6/2.8/3.0

Applies the speciﬁed gamma value to the RGB source space deﬁnition (see

page 1-6). To use this print option, you must choose Other as the RGB Source

setting. (This feature is available with the PostScript driver only.)

(Other) Phosphors

Hitachi EBU/Hitachi-Ikegami/NTSC/

Radius Pivot/SMPTE/Trinitron

Applies the speciﬁed phosphor (monitor type) information to the RGB source

space deﬁnition (see page 1-6). To use this print option, you must choose

Other as the RGB Source setting. (This feature is available with the PostScript

driver only.)

(Other) White Point

5000 K (D50)/5500 K/6500 K (D65)/

7500 K/9300 K

Applies the speciﬁed white point value to the RGB source color space

deﬁnition (see page 1-6). To use this print option, you must choose Other as

the RGB Source setting. (This feature is available with the PostScript driver

only.)

RGB Separation

Output/Simulation

Determines which CMYK color space your original RGB data will be

separated into—CMYK for the copier (Output) or CMYK for a speciﬁed

simulation (Simulation) (see page 1-7). It is important to note that when RGB

Separation is set to Simulation, RGB colors are affected by CMYK Simulation

Proﬁle and CMYK Simulation Method. (This feature is available with the

PostScript driver only.)

1-4 Fiery Color Management

Detailed explanations of how these and other settings affect your print jobs are

provided in subsequent sections of this chapter.

CMYK Simulation Proﬁle

SWOP-Coated/DIC/Euroscale/Simulation

-10/Match Copy/None

(Default set at Setup or in

ColorWise Pro Tools)

Adjusts CMYK color data to simulate an offset press standard or a custom

color gamut deﬁned at your site. The Match Copy setting bypasses Fiery

calibration to match a copy made from the copier glass. Choosing None

bypasses simulation (see page 1-8).

OTE: Some of the Simulation settings have slightly different names depending

on the model of copier. (This feature is available with the PostScript driver

only.)

CMYK Simulation Method

Quick/Full

(Default set at Setup or in

ColorWise Pro Tools)

Quick simulation applies one-dimensional transfer curves that adjust output

density only. Full simulation applies colorimetric transformations that adjust

hue as well as output density (see page 1-9). (This feature is available with the

PostScript driver only.)

Output Proﬁle

Default output proﬁle/Output 1-10

(Default set at Setup or in

ColorWise Pro Tools)

The Output Proﬁle is applied to all data in the print job (see page 1-9). User-

deﬁned output proﬁles can be downloaded to the Fiery with

ColorWise Pro Tools (see Chapter 4). (This feature is available with the

PostScript driver only.)

Pure Black Text/Graphics

On/Off

(Default set at Setup)

The On setting optimizes the quality of black text and line art output (see

page 1-10). (This feature is available with the PostScript driver only.)

Black Overprint

On/Off (Default set at Setup)

The On setting overprints black text placed on colored backgrounds; it

automatically activates the Pure Black Text/Graphics option (see page 1-11).

(This feature is available with the PostScript driver only.)

Spot Color Matching

On/Off

(Default set at Setup or with

ColorWise Pro Tools)

The On setting enables Fiery matching of PANTONE colors; Off instructs the

Fiery to match color output to a Pantone-speciﬁed CMYK combination (see

page 1-12). (This feature is available with the PostScript driver only.)

Fiery color print option: What it does:

1-5 Managing color on the Fiery

Rendering styles

The Rendering Style option speciﬁes a CRD for color conversions. You can modify the

Rendering Style option to control the appearance of images, such as prints from ofﬁce

applications or RGB photographs from Photoshop. The Fiery lets you select from the

four rendering styles currently found in industry standard ICC proﬁles.

NOTE: This feature is not available with the PCL driver.

Fiery rendering style: Best used for:

Equivalent

ICC rendering

style:

Photographic—Typically results in less

saturated output than presentation

rendering when printing out-of-gamut

colors. It preserves tonal relationships

in images.

Photographs, including scans and

images from stock photography CDs.

Image,

Contrast, and

Perceptual

Presentation

—Creates saturated colors

but does not match printed colors

precisely to displayed colors. In-gamut

colors such as ﬂesh tones are rendered

well, similar to the Photographic

rendering style.

Artwork and graphs in presentations.

In many cases it can be used for mixed

pages that contain both presentation

graphics and photographs.

Saturation,

Graphics

Relative Colorimetric

—Provides

white-point transformation between

the source and destination white

points. For example, the bluish gray of

a monitor will map to neutral gray.

You may prefer this style to avoid

visible borders when not printing full-

bleed.

Advanced use when color matching is

important but you prefer white colors

in the document to print as paper

white. It may also be used with

PostScript color management to affect

CMYK data for simulation purposes.

Same

Absolute Colorimetric

—Provides no

white point transformation between

the source and destination white

points. For example, the bluish gray of

a monitor will map to a bluish gray.

Situations when exact colors are

needed and visible borders are not

distracting. It may also be used with

PostScript color management to affect

CMYK data for simulation purposes.

Same

1-6 Fiery Color Management

RGB Source Proﬁle

The RGB Source Proﬁle setting allows you to deﬁne the characteristics of the RGB

data in your document so that the appropriate color conversion can occur on the Fiery.

Commonly used monitor color spaces are available from the driver and from the

ColorWise Pro Tools Proﬁle Manager. In addition, for special needs you can use

ColorWise Pro Tools to download custom monitor or scanner proﬁles.

When you specify a setting other than None for the RGB Source Proﬁle, the Fiery

overrides source color space deﬁnitions or proﬁles that other color management

systems may have speciﬁed. For example, if you speciﬁed a ColorSync System Proﬁle

on your Mac OS computer, the RGB Source Proﬁle setting overrides it. In cases where

you do not want this setting to override another speciﬁed source color space, choose the

None setting.

When you specify a setting other than None for the RGB Source Proﬁle—since the

color space deﬁnitions are overridden—the prints from the Fiery will be consistent

across platforms. Below are the Fiery’s RGB Source Proﬁle options.

• EFIRGB speciﬁes an EFI-deﬁned color space recommended for users who have no

detailed information about their RGB data.

• sRGB (PC) speciﬁes the industry standard deﬁnition for a generic Windows PC

monitor.

• Apple Standard speciﬁes the deﬁnition of all standard Mac OS computer monitors.

• Other allows you to specify custom RGB source settings. If you choose Other as the

RGB Source setting, you can choose settings for the Gamma, Phosphors, and White

Point options.

• Sources 1-10 specify the deﬁnitions you download as RGB source proﬁles. (For

more information about downloading RGB source proﬁles, see Chapter 4.)

• None instructs the Fiery to allow the RGB sources you deﬁned elsewhere, such as in

the application, to be used. When you set RGB Source to None, the appearance of

colors will not be independent of the ﬁle type. For example, RGB EPS ﬁles will look

different from RGB TIFF ﬁles.

1-7 Managing color on the Fiery

With RGB Source set to None, PostScript RGB data that contains a source color

space deﬁnition is converted using the CRD speciﬁed by the Rendering Style option

(see page 1-5). NonPostScript RGB data and PostScript RGB data that does not

contain a source color space deﬁnition is converted using a general undercolor

removal conversion method.

NOTE: This feature is not available with the PCL driver.

RGB Separation

The RGB Separation option determines how RGB colors (as well as Lab and XYZ

colors) are converted to CMYK. The name of this option is meant to be descriptive,

since the option deﬁnes the color spaces that will be used by the Fiery to “separate” the

RGB data into CMYK values.

The two choices available for this option determine whether RGB data is converted

into the full gamut of the copier (Output) or whether it is ﬁrst converted into the

gamut of another digital printer or a press standard (Simulation). This feature is

helpful for making one device behave like another for RGB data. For example, if a

high-quality ICC proﬁle is available for another print device, the copier can simulate

the behavior of that device.

RGB Separation is also useful for prepress applications. For example, it lets you

experiment with the appearance of an RGB scan under different press printing

conditions without having to convert the RGB data to CMYK data for each printing

condition. When the desired printing condition is found, you can then convert the ﬁle

to CMYK, if desired, using the same CMYK simulation proﬁle that was used during

the experimentation.

NOTE: The RGB Separation print option should be used in conjunction with the

Output Proﬁle or CMYK Simulation Proﬁle print options.

1-8 Fiery Color Management

• Output converts all RGB colors into the CMYK color space of your copier (when the

Output Proﬁle option is set to Printer’s default), or a customized CMYK color space

for your copier (when the Output Proﬁle option is set to Output 1-10).

• Simulation converts all RGB colors into the CMYK color space for a speciﬁed

simulation (make sure to select the desired simulation with the CMYK Simulation

Proﬁle print option).

NOTE: This feature is not available with the PCL driver.

CMYK Simulation Proﬁle

The CMYK Simulation Proﬁle 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.

The CMYK Simulation Proﬁle setting you should 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 Fiery with

the CMYK Simulation Proﬁle setting.

• For images that were separated for SWOP, choose SWOP as the CMYK Simulation

Proﬁle setting.

NOTE: To properly simulate a printed image that was separated through the use of an

ICC proﬁle, the same proﬁle must be present on the Fiery. For more information

about downloading ICC proﬁles to the Fiery, see “Downloading proﬁles” on page 4-5.

• The Match Copy setting bypasses Fiery calibration to simulate the color of a copy

produced by the copier. Use this setting when you print images scanned with the

Fiery Scan plug-in set to Match Copy.

NOTE: This feature is not available with the PCL driver.

1-9 Managing color on the Fiery

CMYK Simulation Method

The CMYK Simulation Method setting speciﬁes the quality of simulation to perform.

• Quick applies one-dimensional transfer curves that adjust output density only.

• Full provides a more complete and accurate simulation by applying colorimetric

transformations that adjust hue as well as output density. The Full Simulation

option also maintains the integrity of the black channel by adjusting it

independently. This is especially important for images separated using an optimized

black generation (UCR/GCR) setting either from a scan or from within an

application such as Photoshop.

NOTE: This feature is not available with the PCL driver.

Output Proﬁle

The output proﬁle is applied to all data in the print job, so make sure the selected

proﬁle is right for your job. The default output proﬁle consists of both a proﬁle for

your copier, describing its color characteristics, and a calibration target that describes

the expected behavior of the copier.

In certain cases you may wish to customize the default output proﬁle using the

ColorWise Pro Tools Color Editor to achieve particular color effects (see page 4-13). If

so, the new customized output proﬁle is applied to all data in the print job. Changing

only the output proﬁle does not affect its associated calibration target (since the target

is based on a copier model). If you wish, you can edit D-Max values of the calibration

target separately (see page 4-7).

You can also use the ColorWise Pro Tools Proﬁle Manager to download your own

output proﬁle to the Fiery (see page 4-5). Downloaded output proﬁles are at ﬁrst

associated with the default calibration target. As mentioned above, you can edit

calibration target D-Max values separately.

NOTE: This feature is not available with the PCL driver.

1-10 Fiery Color Management

Pure Black Text/Graphics

The Pure Black Text/Graphics option affects the printout for black text and vector

graphics on a page. Under most circumstances it is preferable to leave this option set to

the On position. When Pure Black Text/Graphics is on, black colors generated by

applications are printed using 100 percent black-only toner (for example,

RGB = 0, 0, 0; CMYK = 0%, 0%, 0%, 100%; or K = 100%). This means the black

text and line art will not exhibit halftone artifacts and will not be misregistered, since

there is only one toner used. In addition, this setting eliminates blasting. This option

is automatically set to On when the Black Overprint option is set to On.

For some jobs it is preferable to turn this option Off, for example, if the page includes

gradient ﬁlls that use black. The table below describes the behavior of the Pure Black

Text/Graphics option with black data deﬁned in different color spaces.

NOTE: The Pure Black Text/Graphics option can be used only when printing

composites, not when printing separations.

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 Fiery. These

elements are not affected by the Pure Black Text/Graphics option. See the application

notes for details. Also, black text and line art deﬁned as RGB = 0, 0, 0 in ofﬁce

Input

black

color:

Pure Black Text/Graphics:

On Off

RGB

Prints 100% black

With the default proﬁle, prints a rich black

using all toners.

CMYK

Prints only with black toner, because CMYK

simulations preserve the black channel. The

actual amount of toner used depends on the

current simulation and the calibration state of

the copier.

Spot

Prints only with black toner, because spot

color simulations preserve the black channel.

The actual amount of toner used depends on

the current simulation and the calibration state

of the copier.

1-11 Managing color on the Fiery

applications (such as Microsoft Word) are converted to single-color black (CMYK =

0%, 0%, 0%, 100%) by the Microsoft PostScript Level 2 driver for Windows NT 4.0.

To print this single-color black at the maximum toner density of the copier, set the

Pure Black Text/Graphics option to On.

NOTE: This feature is not available with the PCL driver.

Black Overprint

The Black Overprint option lets you specify whether or not black text, deﬁned as

RGB = 0, 0, 0, or as CMYK = 0%, 0%, 0%, 100%, overprints colored backgrounds.

• On—Black text overprints colored backgrounds, eliminating white gaps and

reducing halo affects or misregistration of colors. Setting Black Overprint to On

automatically activates the Pure Black Text/Graphics option.

• Off—Black text knocks out colored backgrounds.

NOTE: PostScript applications may perform their own black overprint conversions

before sending the print job to the Fiery.

One example of how you might use this setting is with a page that contains some

black text on a light blue background. The background blue color is CMYK = 40%,

30%, 0%, 0% and the black text is CMYK = 0%, 0%, 0%, 100%.

• With Black Overprint On, the ﬁnal text portions of the page are overprinted, or

combined with the underlying colors. This results in CMYK = 40%, 30%, 0%,

100% for the color used for the text. There is no transition in the cyan and magenta

toners, and the quality of the output is improved since it will not show artifacts near

the edges of the text. The option also works with text deﬁned in the RGB color

space, that is RGB = 0, 0, 0.

• With Black Overprint Off, the border of the text is on an edge that has cyan and

magenta toners on one side (outside the text) and black toner on the other side

(inside the text). On many devices, this transition causes visible artifacts because of

the practical limitations of the copier.

NOTE: This feature is not available with the PCL driver.

1-12 Fiery Color Management

Spot Color Matching

The Spot Color Matching option provides automatic matching of PANTONE colors

with their best CMYK equivalents.

• On—The Fiery uses its built-in table to generate the closest CMYK matches of

PANTONE colors your copier can produce. (New tables are generated when you

add new output proﬁles.)

• Off—The Fiery uses the CMYK equivalents deﬁned by your application to print

PANTONE colors.

For jobs that include PANTONE spot colors, set Spot Color Matching to On unless

you are printing press simulations. In that case, set Spot Color Matching to Off and

choose the appropriate CMYK Simulation setting (see page 1-8).

NOTE: You can use the Spot Color Matching option only when printing composites,

not when printing separations.

Spot Color Matching and the PANTONE Coated Color Reference

The PANTONE Coated Color Reference (described on page 5-7) prints differently

depending on the Spot Color Matching setting.

• On—The Fiery uses its built-in table to generate the best matches of the PANTONE

colors that your copier can produce. The PANTONE number is printed below each

swatch.

• Off—The Fiery prints swatches using the CMYK values recommended by Pantone

(and used by applications that provide PANTONE color libraries). The CMYK

values used to generate the color, as well as the PANTONE number of the color, are

printed below each swatch. These CMYK values are printed through the selected

CMYK Simulation and Output Proﬁle settings.

NOTE: This feature is not available with the PCL driver.

1-13 PostScript Printer Drivers and Print Options

PostScript Printer Drivers and Print Options

This section describes the role of the printer driver and explains how to use Windows

and Mac OS printer drivers for Fiery printing.

NOTE: The term “PostScript” by itself is used to refer to Adobe PostScript Level 2 or

later. For more information on the PCL drivers for this copier, see the Printing Guide.

What a PostScript printer driver does

To take full advantage of the features of the Fiery, your print jobs must be sent as

PostScript data. Since most applications cannot generate PostScript data directly, it is

the function of a printer driver to interpret instructions from the application and

convert them to PostScript data.

A PostScript printer driver also allows you to select print options speciﬁc to your

copier. To do this, the printer driver must be matched with a PostScript printer

description ﬁle (PPD) for your Fiery. The PPD contains information about the

particular features supported by the Fiery and the copier. The PPD can be thought of

as the lines of PostScript code in the ﬁle that are device-speciﬁc. When you print a job,

the printer driver lets you choose among features by displaying print options.

A few PostScript applications can send PostScript data directly to the copier and

present print options within the application interface. Even these applications,

however, require that you use a PostScript printer driver.

Your Fiery user software includes Adobe PostScript printer drivers for Windows 95/98,

Windows NT 4.0, and Mac OS computers. These are the recommended printer

drivers for printing to the Fiery. (See Getting Started for information on installing

printer drivers.)

It is recommended that you set the print options initially in Fiery Setup (see the

Conﬁguration Guide). This provides you with a default conﬁguration that is

appropriate for most Fiery print jobs.

1-14 Fiery Color Management

Adobe PostScript printer driver for Windows 95/98

and Windows NT 4.0

The printer driver options described in this section can be accessed by clicking

Start\Settings\Printers, right-clicking the appropriate PPD name, and selecting

Properties (Windows 95/98) or Document Defaults (Windows NT 4.0) from the pop-

up menu. These settings are also accessible from the Print Setup or Page Setup dialog

boxes of most applications.

For Window 95/98, the Fiery driver interface enables you to save combinations of

settings that you can later access. Additionally, you can choose different settings for

individual jobs from the applications you use.

The printer driver writes a PostScript ﬁle containing the instructions generated by your

application and the Fiery print options you selected. The printer driver sends the

PostScript ﬁle to the Fiery. The Fiery then performs PostScript processing and color

conversions and sends raster color data to the print device.

NOTE: The following illustrations and instructions do not apply to all applications.

Many applications, such as PageMaker, Photoshop, Illustrator, QuarkXPress, and

CorelDRAW, have other color management options in addition to those presented in

the printer driver. For information on speciﬁc applications, see Chapters 6 through 9.

Setting color management print options for Windows 95/98 and

Windows NT 4.0

This section explains how to set Fiery color print options with the Adobe PostScript

printer driver version 4.3.x for Windows 95/98 and version 5.1 for Windows NT,

PostScript 3 printer drivers that can take full advantage of the color features of the

Fiery. Before you proceed, make sure you have completed the following procedures

described in Getting Started:

• Install the Adobe PostScript Printer Driver version 4.3.x (Windows 95/98) or

5.1 (Windows NT) and the Fiery PPD

• Set up the Fiery for printing

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