Xerox Fiery X12, Fiery XP12 Color Guide

Fiery X12/XP12

COLOR GUIDE

for DocuColor 12

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The software described in this publication is furnished under license and may only be used or copied in accordance with the terms of such license.

Patents: 5,867,179; 5,835,788; 5,666,436; 5,553,200; 5,543,940; 5,537,516; 5,517,334; 5,506,946; 5,424,754; 5,343,311; 5,212,546; 4,941,038; 4,837,722; 4,500,919; D406,117

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EFI, the EFI logo, Fiery, the Fiery logo, Fiery Driven, the Fiery Driven logo, EFICOLOR, ColorWise, and Rip-While-Print are trademarks registered in the U.S. Patent and Trademark Ofﬁce. Fiery Z4, Fiery X4, Command WorkStation, AutoCal, Starr Compression, Memory Multiplier, NetWise, and VisualCal are trademarks of Electronics For Imaging, Inc.

All Xerox product names mentioned in this publication are trademarks of the XEROX CORPORATION.

Adobe, the Adobe logo, Adobe Illustrator, PostScript, Adobe Photoshop, Adobe Separator, and Adobe PageMaker are trademarks of Adobe Systems Incorporated, registered in certain jurisdictions. EPS (Encapsulated PostScript) is a trademark of Altsys Corporation. Apple, the Apple logo, AppleShare, AppleTalk, EtherTalk, LaserWriter, and Macintosh are registered trademarks, and MultiFinder is a trademark of Apple Computer, Inc. Microsoft, MS, MS-DOS, and Windows are registered trademarks of Microsoft in the US and other countries. QuarkXPress is a registered trademark of Quark, Inc. Times, Helvetica, and Palatino are trademarks of Linotype AG and/or its subsidiaries. ITC Avant Garde, ITC Bookman, ITC Zapf Chancery, and ITC Zapf Dingbats are registered trademarks of International Typeface Corporation. Ethernet is a registered trademark of Xerox Corporation. UNIX is a registered trademark of UNIX System Laboratories, a wholly owned subsidiary of Novell, Inc. PANTONE is a registered trademark of Pantone, Inc. Matchprint is a trademark of Imation Corp.

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The CE marking applied to this product symbolises Rank Xerox’s declaration of conformity with the following applicable directives of the European Union as of the dates indicated.

January 1, 1996—Council Directive 70/80/CCO amended by Council Directive 93/68/EEO. Approximation of the laws of the member states related to low voltage equipment.

January 1, 1996—Council Directive 59/336/EEC. Approximation of the laws of the member states related to electromagnetic compatibility.

A full declaration deﬁning the relevant directives and referenced standards can be obtained from your Rank Xerox representative.

WARNING: In order to allow this equipment to operate in proximity to industrial, scientiﬁc, and Medical (ISM) equipment, the external radiation from ISM equipment may have to be limited or special migration measures taken.

FCC Information

WARNING: FCC Regulations state that any unauthorized changes or modiﬁcations to this equipment not expressly approved by the manufacturer could void the user’s authority to operate this equipment.

Class A Compliance

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, and uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense.

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This Class A digital apparatus complies with Canadian ICES-003.

Avis de Conformation Classe A d l’Industrie Canada

Cet appareil numérique de la Classe A est conforme à la norme NMB-003 du Canada.

Certiﬁcate by Manufacturer/Importer

This is to certify that the FC07 is shielded against radio interference in accordance with the provisions of VFG 243/1991. The German Postal Services have been advised that this device is being put on the market and that they have been given the right to inspect the series for compliance with the regulations.

Bescheinigung des Herstellers/Importeurs

Heirmit wird bescheinigt, dass der FC07 im Uebereinstimmung mit den Bestimmungen der VFG 243/1991 Funk-Entstort ist. Der Deutschen Bundespost wurde das Inverkehrbringen dieses Geraetes angezeigt und die Berechtigung zur Ueberpruefung der Serie auf Einhaltung der Bestimmungen eingeraumt.

RFI Compliance Notice

This equipment has been tested concerning compliance with the relevant RFI protection requirements both individually and on system level (to simulate normal operation conditions). However, it is possible that these RFI Requirements are not met under certain unfavorable conditions in other installations. It is the user who is responsible for compliance of his particular installation.

Dieses Geraet wurde einzeln sowohl als auch in einer Anlage, die einen normalen Anwendungsfall nachbildet, auf die Einhaltung der Funk-entstoerbestimmungen geprueft. Es ist jedoch moeglich, dass die Funk-enstoerbestimmungen unter unguenstigen Umstaenden bei anderen Geraetekombinationen nicht eingehalten werden. Fuer die Einhaltung der Funk-entstoerbestimmungen seigner gesamten Anlage, in der dieses Geraet betrieben wird, ist der Betreiber verantwortlich.

Compliance with applicable regulations depends on the use of shielded cables. It is the user who is responsible for procuring the appropriate cables.

Einhaltung mit betreffenden Bestimmungen kommt darauf an, dass geschirmte Ausfuhrungen gebraucht werden. Fuer die beschaffung richtiger Ausfuhrungen ist der Betreiber verantwortlich.

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Electronics for Imaging, Inc. grants to you a non-exclusive, non-transferable license to use the software and accompanying documentation (“Software”) included with the Fiery you have purchased, including without limitation the PostScript software provided by Adobe Systems Incorporated.

You may:

a. use the Software solely for your own customary business purposes and solely with the Fiery;

b. use the digitally-encoded machine-readable outline and bitmap programs (“Font Programs”) provided with the Fiery in a special encrypted format (“Coded Font Programs”) to reproduce and display designs, styles, weights, and versions of letters, numerals, characters and symbols (“Typefaces”) solely for your own customary business purposes on the display window of the Fiery or monitor used with the Fiery;

c. use the trademarks used by Electronics for Imaging to identify the Coded Font Programs and Typefaces reproduced therefrom (“Trademarks”); and

d. assign your rights under this Agreement to a transferee of all of your right, title and interest in and to the Fiery provided the transferee agrees to be bound by all of the terms and conditions of this Agreement.

You may not:

a. make use of the Software, directly or indirectly, to print bitmap images with print resolutions of 600 dots per inch or greater, or to generate fonts or typefaces for use other than with the Fiery;

b. make or have made, or permit to be made, any copies of the Software, Coded Font Programs, accompanying documentation or portions thereof, except as necessary for use with the Fiery unit purchased by you; provided, however, that under no circumstances may you make or have made, or permit to be made, any copies of that certain portion of the Software which has been included on the Fiery hard disk drive. You may not copy the documentation;

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d. rent or lease the Software.

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You agree to hold the Software and Coded Font Programs in conﬁdence, disclosing the Software and Coded Font Programs only to authorized users having a need to use the Software and Coded Font Programs as permitted by this Agreement and to take all reasonable precautions to prevent disclosure to other parties.

Remedies

Unauthorized use, copying or disclosure of the Software, Coded Font Programs, Typefaces, Trademarks or accompanying documentation will result in automatic termination of this license and will make available to Electronics For Imaging other legal remedies.

Limited Warranty And Disclaimer

Electronics For Imaging warrants that, for a period of ninety (90) days from the date of delivery to you, the Software under normal use will perform without signiﬁcant errors that make it unusable. Electronics For Imaging’s entire liability and your exclusive remedy under this warranty (which is subject to you returning the Fiery to Electronics For Imaging or an authorized dealer) will be, at Electronics For Imaging’s option, to use reasonable commercial efforts to attempt to correct or work around errors, to replace the Software with functionally equivalent software, or to refund the purchase price and terminate this Agreement. Some states do not allow limitations on duration of implied warranty, so the above limitation may not apply to you.

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For warranty service, please contact your authorized service/support center.

EXCEPT FOR THE ABOVE EXPRESS LIMITED WARRANTY, ELECTRONICS FOR IMAGING MAKES AND YOU RECEIVE NO WARRANTIES OR CONDITIONS ON THE SOFTWARE OR CODED FONT PROGRAMS, EXPRESS, IMPLIED, STATUTORY, OR IN ANY OTHER PROVISION OF THIS AGREEMENT OR COMMUNICATION WITH YOU, AND ELECTRONICS FOR IMAGING SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICUL AR PURPOSE. Electronics For Imaging does not warrant that the operation of the software will be uninterrupted or error free or that the Software will meet your speciﬁc requirements.

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Contents

Introduction

About this manual

Key features of ColorWise

Chapter 1: Fiery Color Management

Managing color on the Fiery

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

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

xiii

xiv

1-1

1-13

Chapter 2: Simple and Advanced Workﬂows

Workﬂow concepts

Short-run printing versus color prooﬁng 2-1

RGB, CMYK, and PANTONE colors 2-2

Desktop versus Fiery color management 2-3

Simple workﬂows

Select your colors wisely 2-4

Select a short workﬂow 2-5

2-1

2-4

viii Contents

Advanced workﬂows

Short-run printing examples 2-9

Color prooﬁng examples 2-15

Chapter 3: Color Calibration

Introduction

Understanding calibration

How calibration works 3-2

Scheduling calibration 3-4

Checking calibration status 3-5

Using a densitometer

Setting up the densitometer 3-5

Calibrating the densitometer

Calibrating with ColorWise Pro Tools

Expert Mode 3-13

Calibrating from the Control Panel using AutoCal2

Chapter 4: ColorWisePro Tools

2-9

3-1

3-2

3-5

3-8

3-9

3-15

Proﬁle Manager

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

Editing Proﬁles 4-13

Undoing simulation edits 4-20

Checking edited proﬁles 4-22

4-1

4-13

ix Contents

Chapter 5: Working with Color in Applications

Working with color

Color reference pages 5-2

Ofﬁce applications

Choosing colors in ofﬁce applications 5-4

PostScript applications

Choosing colors in PostScript applications 5-5

Default output proﬁle 5-8

CMYK simulation 5-8

Chapter 6: Ofﬁce Applications

Working with ofﬁce applications

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

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

5-1

5-3

5-5

6-1

7-1

Photoshop 4.0

Deﬁning colors 7-13

Saving ﬁles for importing into other documents 7-13

Selecting options when printing 7-15

7-13

x Contents

Chapter 8: Page Layout Applications

Working with page layout applications

Deﬁning colors 8-1

Importing images 8-2

CMYK simulation 8-3

Adobe PageMaker 6.5 for Mac OS and Windows

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

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

Importing images 8-9

Selecting options when printing 8-10

Chapter 9: Illustration Applications

Working with illustration applications

Deﬁning colors 9-1

Importing images 9-2

CMYK simulation 9-2

8-1

8-4

8-7

8-9

9-1

Adobe Illustrator 8.x for Windows and Mac OS

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

9-3

xi Contents

Macromedia FreeHand 8.x for Windows and Mac OS

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

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

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

Halftone and continuous tone devices A-6

9-6

9-9

A-1

A-5

Using color effectively

A few rules of thumb A-7

Color wheel A-7

Color and text A-8

Raster images and vector images

Optimizing ﬁles for processing and printing

Resolution of raster images A-10

Scaling A-12

A-6

A-9

A-10

xii Contents

Appendix B: Color Management

Controlling printed color

Maintaining copier consistency B-2

Print device gamut B-2

Basics of color management

Color conversion B-4

Appendix C: Importing densitometer measurements

Simple ASCII Import File Format (SAIFF)

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

B-1

B-3

C-1

xiii About this manual

Introduction

Welcome to the 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

XP12

Fiery XP12.

Color Guide

. This manual introduces you to the concepts and issues

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.

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

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).

is the second-generation

color management system

(CMS) built into the

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

Chapter 1: Fiery Color Management

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 to all subsequent print jobs unless you override them.

• You can select some ColorWise options, particularly default 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).

Conﬁguration Guide

. These defaults will apply

ICC proﬁle

settings

Applications can generate color data for the Fiery in many different 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.

color spaces

. The

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 data

CMYK data

Spot color data

RGB Source Proﬁle

Gamma

Phosphors

White Point

Rendering Style (CRD)

Brightness

Pure Black Text/Graphics

Black Overprint

RGB Separation

Output proﬁle

CMYK Simulation Proﬁle

CMYK Simulation Method

Brightness

Pure Black Text/Graphics

Black Overprint

Combine Separations

Output proﬁle

Spot Color Matching

Fiery color

processor

Color data sent to copier

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.

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

Rendering Style

Photographic/Presentation/Relative Colorimetric/Absolute Colorimetric (Default set at Setup)

RGB Source Proﬁle

EFIRGB/sRGB (PC)/Apple Standard/Other/ Source 1 (Default set at Setup or with ColorWise Pro Tools)

(Other) Gamma

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

(Other) Phosphors

Hitachi EBU/Hitachi-Ikegami/NTSC/ Radius Pivot/SMPTE/Trinitron

(Other) White Point

5000 K (D50)/5500 K/6500 K (D65)/ 7500 K/9300 K

-10/None

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.)

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.)

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.)

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.)

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.)

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

Fiery color print option: What it does:

CMYK Simulation Proﬁle

SWOP-Coated/DIC/Euroscale/Simulation 1

-10/Match Copy/None

(Default set at Setup or in ColorWise Pro Tools)

CMYK Simulation Method

Quick/Full (Default set at Setup or in ColorWise Pro Tools)

Output Proﬁle

Default output proﬁle/Output 1-10 (Default set at Setup or in ColorWise Pro Tools)

Pure Black Text/Graphics

On/Off (Default set at Setup)

Black Overprint

On/Off (Default set at Setup)

Spot Color Matching

On/Off (Default set at Setup or with 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.)

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.)

The Output Proﬁle is applied to all data in the print job (see page 1-9). Userdeﬁned output proﬁles can be downloaded to the Fiery with ColorWise Pro Tools (see Chapter 4). (This feature is available with the PostScript driver only.)

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.)

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.)

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.)

Detailed explanations of how these and other settings affect your print jobs are provided in subsequent sections of this chapter.

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.

Equivalent

Fiery rendering style: Best used for:

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.

Presentation

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.

Relative Colorimetric

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 fullbleed.

Absolute Colorimetric

white point transformation between the source and destination white points. For example, the bluish gray of a monitor will map to a bluish gray.

—Creates saturated colors

—Provides

—Provides no

Photographs, including scans and images from stock photography CDs.

Artwork and graphs in presentations. In many cases it can be used for mixed pages that contain both presentation graphics and photographs.

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.

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.

Image, Contrast, and Perceptual

Saturation, Graphics

Same

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

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.

Input black color:

RGB

CMYK

Prints 100% black

Spot

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

On Off

Pure Black Text/Graphics:

With the default proﬁle, prints a rich black using all toners.

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.

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 popup 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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