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Xerox Fiery color server User Manual

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  • Page 1: Color Server

    Color Server FIER Y COLOR REFERENCE...
  • Page 3 Copyright © 2002 Electronics For Imaging, Inc. All rights reserved. This publication is protected by copyright, and all rights are reserved. No part of it may be reproduced or transmitted in any form or by any means for any purpose without express prior written consent from Electronics For Imaging, Inc., except as expressly permitted herein.
  • Page 4 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.
  • Page 5 Limited Warranty and Disclaimer EFI warrants to the original purchaser (“Customer”) for thirty (30) days from the date of original purchase from EFI or its authorized retailer that the Software will perform in substantial conformance to the Documentation when the Product is used as authorized by EFI’s specifications. EFI warrants the media containing the Software against failure during the above warranty period.

  • Page 7: Table Of Contents

    Contents Introduction Basics of color management Controlling printed color Maintaining printer consistency xiii Printer gamut Color conversion Chapter 1: Simple and Advanced Workflows Workflow concepts Short-run printing versus color proofing RGB, CMYK, and spot colors Desktop versus ColorWise color management Simple workflows Select your colors wisely Select a short workflow...
  • Page 8 viii Contents Chapter 3: Office Applications Working with office applications Defining colors Working with imported files Selecting options when printing Output profiles Chapter 4: Adobe Photoshop Creating a monitor profile Specifying color settings Photoshop 6.x color settings Photoshop 5.x color settings Saving files Saving files from Photoshop 6.x or 5.x Advanced tips for using PostScript color management...
  • Page 9 ix Contents Adobe PageMaker 7.x and 6.5 for Mac OS and Windows PageMaker color settings Windows version requirement Importing images Selecting options when printing Optional Color Management from PageMaker 5-10 QuarkXPress 4.x for Mac OS and Windows 5-10 Importing images 5-11 Selecting options when printing 5-11...
  • Page 10 x Contents CorelDRAW for Windows and Mac OS 6-13 Defining colors 6-13 Importing images 6-13 Specifying print options 6-14 Saving files for importing into other documents 6-16 Optional color management in CorelDRAW 6-16 Appendix A: Desktop Color Primer The properties of color The physics of color CIE color model Hue, saturation, and brightness...

  • Page 11: Basics Of Color Management

    xi Basics of color management This manual introduces the concepts and issues associated with printing to the Introduction Color Server ™ . It outlines key workflow scenarios and provides application notes that explain how to print to the Color Server from popular Microsoft Windows and Apple Mac OS applications.

  • Page 12: Controlling Printed Color

    xii Introduction If color matching between your monitor and printed output is critical, calibrate your monitor, as well as your Color Server. For most users, predictability of printed color output is adequate and monitor calibration is not necessary. For information on monitor calibration, see your Adobe Photoshop or Adobe Illustrator documentation.

  • Page 13: Maintaining Printer Consistency

    xiii Basics of color management Maintaining printer consistency The factors described in the following sections affect printer consistency, as well as color fidelity and overall output quality. Paper stock and toner The paper and toner used by your printer can affect printed color. For best results, use the supplies recommended by the manufacturer of the printer.

  • Page 14: Printer Gamut

    xiv Introduction Printer gamut Different color reproduction techniques have different color capabilities, or gamuts. Color transparency films have comparatively large gamuts, as do color monitors. The color gamut that can be produced using process inks or CMYK toners on paper is smaller.

  • Page 15: Color Conversion

    xv Basics of color management Color conversion Before you can print a color document, the color data in it must be converted to the gamut of the printer. Whether performed by the Color Server or a host-based CMS, the process of converting color data for a printer is the same: the CMS interprets RGB image data according to a specified source profile and adjusts both RGB and CMYK...

  • Page 17: Chapter 1: Simple And Advanced Workflows

    1-1 Workflow concepts This chapter discusses color management workflows used in short-run color printing, Chapter 1: as well as color proofing on the Color Server. It also gives examples of color Simple and management in specific desktop applications and discusses the interaction between Advanced those applications and ColorWise color management.

  • Page 18: Rgb, Cmyk, And Spot Colors

    1-2 Simple and Advanced Workflows RGB, CMYK, and spot colors Colors can be defined in several different color models, the most common being RGB, CMYK, and the spot color matching system. Each model requires a different color conversion at the Color Server. These different color conversion workflows are as follows: •...

  • Page 19: Simple Workflows

    1-3 Simple workflows Using ColorWise color management over desktop color management relieves your computer from having to perform additional processing. Delaying color conversions until the color data reaches the Color Server frees your computer so you can continue working, and color conversions on the Color Server are, in most cases, much faster than similar conversions on a host computer.

  • Page 20: Select Your Colors Wisely

    1-4 Simple and Advanced Workflows Select your colors wisely For the colors you see on your monitor to match those on your printed output, they must go through color management, including precise calibration of your monitor and Color Server. If you are not equipped or inclined to maintain accurate monitor color management, you can opt for an easier approach.
  • Page 21 1-5 Simple workflows CMYK Simulation set to None is also useful when you want to prepare an output profile of your calibrated Color Server or when you use less efficient color management from the desktop (such as ColorSync or ICM). In this workflow, colors are modified only at the calibration stage, as indicated by the black box in the following diagram.
  • Page 22 1-6 Simple and Advanced Workflows The Color Server comes into play near the end of the color workflow. To ensure the colors you selected reach the Color Server and ColorWise in a usable form, bypass any color management from applications and printer drivers. Keep in mind, however, that ColorWise fully supports color management from applications and printer drivers (see “Advanced workflows”...
  • Page 23 1-7 Simple workflows The following diagram indicates that no modifications are made to colors in this workflow. Workflow 3—Colors you define in an application Colors output from the Color Server ColorWise ColorWise Application File format Printer driver calibration Turn off color management in your application Generally, when printing to the Color Server, it is best to disable color management in the application to ensure the Color Server receives color data properly and prints it accurately.

  • Page 24: Advanced Workflows

    1-8 Simple and Advanced Workflows Advanced workflows The following sections present advanced color management workflow examples for three short-run printing and three color proofing situations. Each workflow example consists of a brief description, steps for creating and manipulating the files, a list of the ColorWise settings used in the example, and a table that summarizes the workflow.
  • Page 25 1-9 Advanced workflows The ColorWise settings used in this example are: • RGB Source Profile set to EFIRGB or another RGB source definition • Rendering Style set to Photographic • RGB Separation set to Output The following diagram indicates the steps for this particular workflow in black. Photoshop RGB workflow Photoshop Printer driver...
  • Page 26 1-10 Simple and Advanced Workflows Photoshop RGB with Illustrator and QuarkXPress CMYK and spot colors This workflow involves short-run printing of a complex page layout with images saved in Photoshop, illustrations created in Illustrator, and spot colors. A Photoshop image is saved in an RGB color space using the EPS file format. Illustrator artwork contains objects defined as CMYK and as spot colors selected from printed output, and they are saved using the Illustrator EPS file format.
  • Page 27 1-11 Advanced workflows The ColorWise settings used in this example are: • RGB Source Profile set to EFIRGB or another RGB source definition • Rendering Style set to Photographic • RGB Separation set to Output • CMYK Simulation set to None •...
  • Page 28 1-12 Simple and Advanced Workflows Photoshop RGB with Illustrator CMYK and spot colors and PowerPoint RGB This workflow involves short-run printing of a complex presentation document with images saved in Photoshop, illustrations created in Illustrator, and spot colors. All elements are imported into PowerPoint for output. This document could be created as follows: •...
  • Page 29 1-13 Advanced workflows The ColorWise settings used in this example are: • RGB Source Profile set to EFIRGB or another RGB source definition • Rendering Style set to Presentation • RGB Separation set to Output • CMYK Simulation set to None •...

  • Page 30: Color Proofing Examples

    1-14 Simple and Advanced Workflows Color proofing examples The following examples illustrate methods for simulating the output from another printing system, such as an offset press. Each of the proofing examples uses an ICC profile to describe the destination color space. While some examples use simulation profiles built into the Color Server, others use ColorWise Pro Tools (see the Color Guide) to download custom ICC output profiles to the Color Server for use as...
  • Page 31 1-15 Advanced workflows The ColorWise settings used in this example are: • CMYK Simulation Profile set to the desired press standard or the corresponding custom simulation (Simulation 1-10) if you downloaded your profile with ColorWise Pro Tools • CMYK Simulation Method set to Full (Source GCR) The following diagram indicates the steps for this particular workflow in black.
  • Page 32 1-16 Simple and Advanced Workflows Photoshop 5.x Built-in RGB-to-CMYK workflow This workflow is useful for prepress environments that have not integrated ICC color management and do not have profiles for the presses they use. In this example, an image is converted from RGB to CMYK using the Photoshop 5.x Built-in color conversion features in the CMYK Setup option.
  • Page 33 1-17 Advanced workflows The ColorWise settings used in this example are: • CMYK Simulation Profile set to Simulation-1 • CMYK Simulation Method set to Full The following diagram indicates the steps for this particular workflow in black. Photoshop5.x RGB-to-CMYK workflow Photoshop 5.x Printer driver ColorWise...
  • Page 34 1-18 Simple and Advanced Workflows Photoshop RGB and QuarkXPress CMYK This workflow exemplifies the use of the RGB Separation feature of ColorWise. An RGB image, originally saved in Photoshop, is printed to the Color Server from QuarkXPress. To simulate how the RGB image would print on an offset press, the RGB Separation feature of ColorWise is set to Simulation.
  • Page 35 1-19 Advanced workflows The ColorWise settings used in this example are: • RGB Source Profile set to EFIRGB or another RGB source definition • Rendering Style set to Photographic • RGB Separation set to Simulation • CMYK Simulation Profile set to SWOP •...

  • Page 37: Chapter 2: Working With Color In Applications

    2-1 Working with color This chapter provides guidelines for defining colors in your documents to produce the Chapter 2: results you want. The following topics are covered: Working with Color • Factors affecting how you work with color in Applications •...

  • Page 38: Color Reference Pages

    2-2 Working with Color in Applications The type of printing you plan for the document—short-run color printing on the Color Server versus color proofing for eventual printing on an offset press—determines the way you define colors, as well as the print option settings you choose. •...

  • Page 39: Office Applications

    2-3 Office applications Office applications The Color Server must receive PostScript instructions to print an image or a document. Many applications do not create these PostScript instructions, relying on the printer driver to create them. Included in this category are most word processing, spreadsheet, and presentation graphics applications.

  • Page 40: Choosing Colors In Office Applications

    2-4 Working with Color in Applications Choosing colors in office applications Two RGB color reference pages, a Microsoft Word file and a Microsoft PowerPoint file, are provided with your Color Server user software. You can print these files using different CRDs to see how the colors appear when printed to the Color Server. For best results, print the color reference page using the same print options you plan to use for your final document.

  • Page 41: Postscript Applications

    2-5 PostScript applications PostScript applications Most applications used for illustration, pixel editing, and page layout can create the PostScript information they send to a PostScript printer or save in PostScript files. Illustrator, Photoshop, PageMaker, QuarkXPress, and Macromedia FreeHand are all PostScript applications. PostScript applications work with color in many different ways.

  • Page 42: Choosing Colors In Postscript Applications

    2-6 Working with Color in Applications Choosing colors in PostScript applications With PostScript applications, you can create colors using any of the color models supported by the application. All PostScript applications support CMYK; some also support RGB and other color models based on monitor display values. PostScript applications also allow you to choose named colors using one or more color libraries, such as PANTONE (see page...
  • Page 43 2-7 PostScript applications Using the CMYK Color Reference The CMYK Color Reference included with your Color Server user software allows you to see how various cyan, magenta, yellow, and black combinations look when printed on your printer. CMYK Color Reference To print the CMYK Color Reference, download the file to the Color Server.

  • Page 44: Default Output Profile

    2-8 Working with Color in Applications The information printed by the PANTONE Coated Color Reference depends on the Spot Color Matching setting. • —Prints swatches of the closest CMYK equivalents of PANTONE colors your printer can produce. The equivalent PANTONE color name/number is printed below each swatch.

  • Page 45: Chapter 3: Office Applications

    3-1 Working with office applications The ColorWise color management system provides complete color management for Chapter 3: jobs printed from office applications. This chapter provides instructions for printing Office color documents from GDI (Graphics Device Interface) QuickDraw Applications applications, such as presentation, spreadsheet, and word processing applications. You can use these instructions with the Microsoft Office applications.

  • Page 46: Selecting Options When Printing

    3-2 Office Applications Although there are no color management options within office applications, color conversions do occur when you import images or page elements that were not defined in RGB. To avoid such conversions with imported files, use the EPS file format for artwork that is to be imported into office applications.

  • Page 47: Chapter 4: Adobe Photoshop

    4-1 Creating a monitor profile This chapter covers features of Adobe Photoshop versions 6.x and 5.x for Windows Chapter 4: and Mac OS. The illustrations show only Mac OS dialog boxes, but the information Adobe and instructions apply equally to the Windows version of Photoshop. Photoshop Because Photoshop uses a sophisticated color management system, there are several setup steps you should take before you begin working.

  • Page 48: Specifying Color Settings

    4-2 Adobe Photoshop 3. Follow the step-by-step instructions in the Assistant or Wizard to calibrate your monitor and create a monitor profile. Specifying color settings The following sections outline the recommended color settings for Photoshop 6.x and 5.x in a Color Server workflow. These color settings include: —Default color spaces to use when working with RGB and CMYK Working Spaces documents.

  • Page 49: Photoshop 6.X Color Settings

    4-3 Specifying color settings Photoshop 6.x color settings Photoshop 6.x uses a sophisticated color management system that handles document colors for a variety of color-managed workflows. By customizing color settings, you can specify the amount of color management you want to use while working in Photoshop 6.x.
  • Page 50 4-4 Adobe Photoshop 3. Choose the desired working space profile for each color mode in the Working Spaces area. Use the following guidelines for specifying working spaces: • For RGB, choose the profile for the default RGB color space used by the Color Server.

  • Page 51: Photoshop 5.X Color Settings

    4-5 Specifying color settings Choose Adobe (ACE) from the Engine menu to use the built-in color management engine for Photoshop. Choose a rendering intent from the Intent menu that will optimize the color quality of the conversion. For guidelines on choosing the rendering intent, see your Photoshop 6.x documentation.
  • Page 52 4-6 Adobe Photoshop O SET PROFILE DEFAULTS IN HOTOSHOP 1. Choose Color Settings>Profile Setup from the Photoshop 5.x File menu. 2. In the Embed Profiles area, specify whether to embed the appropriate ICC profiles when saving a file. Unless you are an advanced color user, we recommend that you clear the profile embedding options for RGB and CMYK files.
  • Page 53 4-7 Specifying color settings When you open a file that contains an ICC profile that does not match your current Photoshop working space setting, you have the choice to convert from the embedded profile or not. If you want to preserve the color integrity of the source image, do not convert.
  • Page 54 4-8 Adobe Photoshop The Monitor area shows the currently selected profile in the Adobe Gamma control panel. Select both the Display Using Monitor Compensation and Preview options. CMYK O SET DEFAULTS 1. Choose Color Settings > CMYK Setup from the Photoshop 5.x File menu. Select this option 2.

  • Page 55: Saving Files

    4-9 Saving files • For Engine, choose Built-in so that the Photoshop engine will be used. • For Intent, choose Perceptual (Images), which is appropriate for photographs normally edited in Photoshop. The Intent setting is used only when you convert between color spaces.
  • Page 56 4-10 Adobe Photoshop O SAVE A DOCUMENT FROM HOTOSHOP X OR 1. Choose Save As from the File menu. The Save As dialog box appears. 2. Specify settings in the Save As dialog box. • Specify a name, file format, and saved location for the document. •...
  • Page 57 4-11 Saving files 3. Click Save. If you chose Photoshop EPS as the format, the EPS Options dialog box appears. 4. Specify EPS options and click OK. • Choose a TIFF preview option. A TIFF preview is compatible with both Windows and Mac OS computers.

  • Page 58: Advanced Tips For Using Postscript Color Management

    4-12 Adobe Photoshop Advanced tips for using PostScript color management Use the following information to implement alternative, more complex, color workflows with Photoshop. Saving EPS documents with PostScript Color Management Selecting the PostScript Color Management option when saving either a CMYK or RGB EPS file prompts Photoshop to embed PostScript color information—which is independent of ICC profiles—in the resulting document.

  • Page 59: Defining Colors

    4-13 Defining colors Defining colors You can choose colors in Photoshop with various color models, including HSB, CIE Lab, RGB, and CMYK. You can also choose named colors from the PANTONE Coated color library. For best results, use the color definition methods described Chapter Selecting options when printing You can print RGB or CMYK images from Photoshop 6.x and 5.x.
  • Page 60 4-14 Adobe Photoshop Photoshop 5.x 2. Choose the Color Server destination from the Printer menu, and then choose Adobe Photoshop. 3. Choose an Encoding method. If you choose JPEG encoding, save a backup of the original image with binary encoding until you see the printed results of the JPEG file. Occasionally, the compression used for JPEG encoding produces unwanted artifacts.

  • Page 61: Advanced Tips For Printing With Photoshop Postscript Color Management

    4-15 Selecting options when printing Advanced tips for printing with Photoshop PostScript color management Use the following information to implement alternative, more complex, color workflows with Photoshop. • To use PostScript color management with Photoshop 6.x, choose PostScript Color Management from the Profile menu in the Photoshop pane of the printer driver. •...
  • Page 62 4-16 Adobe Photoshop The destination color space for the CRDs is determined by the RGB Separation print option. If RGB Separation is set to Simulation, the CMYK image is printed according to all specified CMYK Simulation Profile and CMYK Simulation Method settings. If RGB Separation is set to Output, the CMYK image is converted to the CMYK color space of the selected output profile.

  • Page 63: Chapter 5: Page Layout Applications

    5-1 Working with page layout applications This chapter provides instructions for printing color documents from Adobe Chapter 5: InDesign 1.5.2, Adobe PageMaker 7.x and 6.5, and QuarkXPress 4.02 and 3.32. Page Layout Applications Before printing from these applications, make sure the appropriate printer driver and the Color Server PPD are installed on your computer, as described in the User Software Installation...

  • Page 64: Importing Images

    5-2 Page Layout Applications Importing images EPS (or EPSF) and TIFF are the recommended formats for images imported into page layout documents. Support for importing other file formats may be provided by individual applications. All RGB images placed in a document are affected by the RGB Source and Rendering Style settings.

  • Page 65: Cmyk Simulation

    5-3 Adobe InDesign 1.5.2 CMYK simulation You can specify a CMYK Simulation profile and a CMYK simulation method for a job using the CMYK Simulation Profile and CMYK Simulation Method print options (see Color Guide). The CMYK Simulation setting affects all CMYK color data sent by the page layout application.

  • Page 66: Importing Images

    5-4 Page Layout Applications O DISABLE ESIGN COLOR MANAGEMENT 1. Choose Color Settings > Document Color Settings from the Edit menu. The Document Color Settings dialog box appears. 2. Clear the Enable Color Management option and click OK. Importing images All RGB images, except for RGB TIFF images, placed in a document are affected by your RGB Source and Rendering Style settings.

  • Page 67: Selecting Options When Printing

    5-5 Adobe InDesign 1.5.2 O DISABLE ESIGN COLOR MANAGEMENT WHEN IMPORTING IMAGES 1. Choose Place from the File menu. The Place dialog box appears. 2. Select the Show Import Options option. 3. Select the file you want to import and click Place. The Image Import Options dialog box appears.
  • Page 68 5-6 Page Layout Applications O SET PRINT OPTIONS FROM THE INDOWS VERSION OF 1.5.2 ESIGN 1. Choose Print from the File menu. The Print dialog box appears. 2. Choose the Color Server from the Name menu. 3. Click Properties. 4. Click the Fiery Printing tab in the dialog box that appears. The standard printer driver interface for the Color Server appears.

  • Page 69: Adobe Pagemaker 7.X And 6.5 For Mac Os And Windows

    5-7 Adobe PageMaker 7.x and 6.5 for Mac OS and Windows O SET PRINT OPTIONS FROM THE VERSION 1.5.2 ESIGN 1. Choose Print from the File menu. The Print dialog box appears. 2. Choose the Color Server from the Printer menu. 3.

  • Page 70: Windows Version Requirement

    5-8 Page Layout Applications O DISABLE AKER COLOR MANAGEMENT 1. Choose Preferences > General from the File menu. 2. Click CMS Setup. 3. Choose Off from the Color Management menu. 4. Click OK, and then click OK again to close the dialog boxes. O DISABLE COLOR MANAGEMENT FOR A BITMAPPED IMAGE 1.

  • Page 71: Selecting Options When Printing

    5-9 Adobe PageMaker 7.x and 6.5 for Mac OS and Windows Selecting options when printing All print settings are specified from the various Print dialog boxes in PageMaker 7.x or 6.5. The printer driver interface described in the Color Guide is not used.

  • Page 72: Optional Color Management From Pagemaker

    5-10 Page Layout Applications 4. If a document contains RGB placed images or colors defined in RGB that will not be separated to process colors, choose RGB Source and Rendering Style settings in the Print Features dialog box. If the document contains PANTONE colors, choose the appropriate Spot Color Matching setting.

  • Page 73: Importing Images

    5-11 QuarkXPress 4.x for Mac OS and Windows Quark CMS converts RGB TIFF, JPEG, and PICT images to CMYK before sending color data to the Color Server. RGB Source and Rendering Style settings have no effect on this data unless you use Quark PrintRGB XTension, which outputs RGB TIFF image files without converting them to CMYK.

  • Page 74: Optional Color Management From Quarkxpress

    5-12 Page Layout Applications Windows Choose the Color Server Click to specify device device settings Choose the Color Server PPD 2. If the document contains PANTONE colors, choose the appropriate Spot Color Matching setting. For instructions on specifying print options, see the Color Guide.

  • Page 75: Windows Version Requirement

    5-13 QuarkXPress 3.32 for Mac OS and Windows Windows version requirement For the Windows version of QuarkXPress, make sure a copy of the Color Server PPD file is in the \XPRESS\PDF folder. Importing images All RGB images placed in a document are affected by your RGB Source and Rendering Style settings.
  • Page 76 5-14 Page Layout Applications Windows Choose output paper size Choose the Color Server PPD Choose Binary 2. If a document contains RGB-placed images or RGB colors that QuarkXPress will print without converting to CMYK, choose RGB Source and Rendering Style settings. If the document contains PANTONE colors, choose the appropriate Spot Color Matching setting.

  • Page 77: Chapter 6: Illustration Applications

    6-1 Working with illustration applications This chapter provides instructions for using Adobe Illustrator, Macromedia FreeHand, Chapter 6: and CorelDRAW for Windows and Mac OS. Illustration Applications Before printing from these applications, make sure the appropriate PostScript printer driver and the Color Server PPD are installed on your computer, as described in the User Software Installation Guide.

  • Page 78: Importing Images

    6-2 Illustration Applications If you define colors in RGB and print directly from the application, the application converts the RGB data to CMYK before sending it to the Color Server. This conversion by the application will determine which ColorWise print options affect your job.

  • Page 79: Cmyk Simulation

    6-3 Adobe Illustrator for Windows and Mac OS CMYK simulation You can specify a press simulation target and a press simulation method for the job with print options (see the Color Guide). The CMYK Simulation setting affects all CMYK color data sent by the illustration application. •...

  • Page 80: Specifying Print Options

    6-4 Illustration Applications Specifying print options The following procedure outlines the recommended color settings for Illustrator 9.x in a Color Server workflow. O SPECIFY COLOR SETTINGS 1. Choose Color Settings from the Edit menu. The Color Settings dialog box appears. 2.
  • Page 81 6-5 Adobe Illustrator for Windows and Mac OS 3. Choose the desired working space profile for each mode in the Working Spaces area. Use the following guidelines for specifying working spaces: • For RGB, choose EFIRGB. This profile represents the default RGB color space used by the Color Server.

  • Page 82: Illustrator 8.X Color Settings

    6-6 Illustration Applications Illustrator 8.x color settings If you are using ColorWise color management, disable the Illustrator 8.x color management system by removing the Color Conversion and Color Conversion Utilities files from the Adobe Illustrator >Plug-ins>Extensions folder. Consider the following points when working in Illustrator 8.x: •...

  • Page 83: Specifying Print Options

    6-7 Adobe Illustrator for Windows and Mac OS Specifying print options The following procedure explains how to set print options when printing a document from Illustrator 9.x or 8.x to the Color Server. O SET PRINT OPTIONS IN LLUSTRATOR 1. Choose Print from the File menu in Illustrator. The Print dialog box appears.

  • Page 84: Saving Files For Importing Into Other Documents

    6-8 Illustration Applications 3. For the Mac OS version of Illustrator, specify appropriate print options. • Choose the Color Server device from the Printer menu. • Choose Adobe Illustrator from the option menu below the Printer menu. • Choose Composite from the Output menu. •...

  • Page 85: Freehand 9.X And 8.X For Windows And Mac Os

    6-9 FreeHand 9.x and 8.x for Windows and Mac OS of RGB artwork saved in Illustrator EPS and imported into other kinds of documents (even when both RGB and CMYK artwork exists in the same file). In the case of Illustrator files imported into Photoshop, however, vector data from the Illustrator file is rasterized into bitmaps in Photoshop, and the final color space of the bitmap data is determined by the color mode you set in Photoshop.

  • Page 86: Defining Colors

    6-10 Illustration Applications Defining colors Any colors defined in FreeHand are sent to the device in CMYK—even those defined using other color models. For best results, use the color definition methods described page 2-6. You can control the conversion of RGB colors defined in FreeHand by specifying settings in the Preferences dialog box under the Colors category, or choosing Color Management from the FreeHand menu on the Print dialog box.
  • Page 87 6-11 FreeHand 9.x and 8.x for Windows and Mac OS O SET OPTIONS WHEN PRINTING FROM 1. Select the Use PPD option in the Print dialog box. Click to access Choose Normal FreeHand Print Setup Click to select a PPD (PPD name appears at right) 2.

  • Page 88: Saving Files For Importing Into Other Documents

    6-12 Illustration Applications 4. Make sure the “Convert RGB to process” option is cleared. If this option is selected, FreeHand color management settings are used to convert RGB colors and RGB TIFF, PICT, and JPEG images to CMYK. 5. If a document contains placed RGB images, choose RGB Source and Rendering Style settings in the PPD.

  • Page 89: Coreldraw For Windows And Mac Os

    6-13 CorelDRAW for Windows and Mac OS CorelDRAW for Windows and Mac OS The following sections describe the recommended color settings for CorelDRAW 9.x and 8.x. Defining colors Any colors defined in CorelDRAW 9.x for Windows or CorelDRAW 8.x for Mac OS are sent to the device in CMYK—even those defined using other color models.

  • Page 90: Specifying Print Options

    6-14 Illustration Applications Specifying print options The following procedure outlines how to set print options when printing from CorelDRAW 9.x or 8.x to the Color Server. DRAW O SET PRINT OPTIONS IN OREL 1. On Windows computers, click the General tab, and then click Print. 2.
  • Page 91 6-15 CorelDRAW for Windows and Mac OS 4. On Mac OS computers, click Printer in the General Print dialog box to select the device and print options. To use ColorWise color management, make sure the “Use color profile” option on the Misc tab of the Print dialog box is cleared.

  • Page 92: Saving Files For Importing Into Other Documents

    6-16 Illustration Applications Saving files for importing into other documents When saving files in CorelDRAW for importing into other types of documents, use the EPS file format. CorelDRAW saves all color information in CMYK, so RGB Source and Rendering Style print options have no effect on color output of artwork saved with CorelDRAW and imported into other kinds of documents.

  • Page 93: Appendix A: Desktop Color Primer

    A-1 Desktop Color Primer This appendix covers concepts that are basic to printing in color, including: Appendix A: Desktop • Properties of color Color Primer • Printing techniques • Effective use of color • Raster images and vector images • File optimization for processing and printing If you are already familiar with color theory and digital color printing, you can skip to the last section (“Optimizing files for processing and printing”...
  • Page 94 A-2 Desktop Color Primer Shining sunlight through a prism separates it into its spectral components, resulting in the familiar rainbow of colors shown in the following figure. Like the sun, most light sources we encounter in our daily environment emit a mixture of light wavelengths, although the particular distribution of wavelengths can vary considerably.

  • Page 95: Cie Color Model

    A-3 Desktop Color Primer CIE color model In the 1930s, the Commission Internationale de l’Eclairage (CIE) defined a standard color space, a way of defining colors in mathematical terms, to help in the communication of color information. This color space is based on research on the nature of color perception.

  • Page 96: Hue, Saturation, And Brightness

    A-4 Desktop Color Primer Purple colors, which do not exist in the spectrum of pure light, are found at the bottom of the diagram. Purples are mixtures of red and blue light—the opposite ends of the spectrum. Hue, saturation, and brightness A color can be described in terms of three varying characteristics, called the color model: •...

  • Page 97: Additive And Subtractive Color Systems

    A-5 Desktop Color Primer Many computer applications include dialog boxes in which you choose colors by manipulating hue, saturation, and brightness. For example, some applications use a color picker that can be reconfigured according to your preference (as shown in the following figure).
  • Page 98 A-6 Desktop Color Primer Combining varying amounts of any two of the additive primaries creates a third, saturated hue. A familiar device that is based on this color model is the computer monitor, shown in the following figure. Monitors have red, green, and blue phosphors that emit varying amounts of light to display a given color.
  • Page 99 A-7 Desktop Color Primer Subtractive (CMY and CMYK) color The subtractive color model is the basis for color printing, color photographic prints, and transparencies. While the additive color model simulates the visible spectrum of color by adding light of three primary hues, the subtractive color model starts with a “white”...
  • Page 100 A-8 Desktop Color Primer...

  • Page 101: Printing Techniques

    A-9 Desktop Color Primer The CMYK colorants used in offset printing and by your printer toner are to some degree transparent. When one layer of colorant is applied on top of another, you see the effect of both. To create a range of intermediary colors, a method is required for varying the amount of each colorant that is applied.

  • Page 102: Using Color Effectively

    A-10 Desktop Color Primer Some color printers are commonly referred to as continuous tone (contone) devices. They do not use traditional halftone screen patterns and angles. Contone devices are capable of varying the intensity of individual dots. Even if your color printing is done exclusively on the Color Server, you will encounter concepts from offset printing if you use high-end graphics applications.

  • Page 103: A Few Rules Of Thumb

    A-11 Desktop Color Primer A few rules of thumb Try some of the following strategies for creating successful color materials: • Use color to aid comprehension, rather than applying colors indiscriminately. In presentations, graphs, and charts, use color to highlight patterns and emphasize differences.
  • Page 104 A-12 Desktop Color Primer Colors opposite one another on the color wheel are called complements (see example a in the following figure), and create a striking contrast side by side. This can be the basis for a bold graphical design, but it is an effect you should use with discretion, since it can be visually fatiguing.

  • Page 105: Color And Text

    A-13 Desktop Color Primer Once you have mastered the concept of the color wheel, you have a good framework for experimenting with color combinations. Many books targeted at graphic designers show groups of preselected color combinations. Some are organized by themes or moods, and some are based on a custom color system, such as PANTONE.

  • Page 106: Raster Images And Vector Images

    A-14 Desktop Color Primer STOP! STOP! gustibus Exceptio probat regulam de rebus disputandum. non exceptis. When using color text, keep in mind that small font sizes typically do not print in color with the same sharpness as in black. In most applications, black text prints exclusively in black toner, while color text usually prints with two or more toners.
  • Page 107 A-15 Desktop Color Primer The amount of data found in a raster image depends on its resolution depth. The resolution of a raster describes the compactness of the pixels and is specified in pixels per inch (ppi). The bit depth is the number of bits of information assigned to each pixel.

  • Page 108: Optimizing Files For Processing And Printing

    A-16 Desktop Color Primer Optimizing files for processing and printing The following sections provide tips on how to create image files that produce the highest possible print quality while minimizing the processing time and disk space they require. Resolution of raster images While a 72-ppi raster image appears sharp on a monitor, the same image would likely appear pixelated when printed to the Color Server.
  • Page 109 A-17 Desktop Color Primer In this table, the shaded areas indicate that 200 ppi is typically the best trade-off between image quality and file size. However, higher resolutions (for example, 250 to 300 ppi) may be necessary for offset printing, when quality is of the utmost importance, or for images containing sharp diagonal lines.

  • Page 110: Scaling

    A-18 Desktop Color Primer Scaling Ideally, each raster image should be saved at the actual size, and it will be placed in the document at the optimal resolution for the printer. If the image resolution is correct for the printer, there is no quality advantage to be gained by scaling an image to a percentage of its actual size.

  • Page 111: Glossary

    Glossary additive color model blasting A system in which colors are produced An undesirable effect that occurs when by combining red, green, and blue light excess amounts of toner, possibly (the additive primaries). An RGB video combined with certain types of paper monitor is based on an additive color stock, cause objects in an image to model.
  • Page 112 G-2 Glossary color management system (CMS) composite printer System used to match color across Any output device that can print directly different input, display, and output in color without first creating color devices. separations. A composite print can be used as an early proof of an offset color rendering dictionary print job.
  • Page 113 G-3 Glossary DCS (Desktop Color Separation) flexography A data file standard defined by Quark, A printing technology that uses flexible Inc., to assist in making color separations raised-image plates. Flexography can be with desktop publishing systems; five used to print on non-flat materials such files are created—four color files (one as cans.
  • Page 114 G-4 Glossary GIF (Graphics Interchange Format) A standard developed by CompuServe A color model where each color is for bitmap graphics of up to 256 colors represented by its hue, saturation, and and used for posting photographic brightness components; supported by images on the Internet or intranet pages;...
  • Page 115 G-5 Glossary metamerism phosphor Phenomenon in which two colors Material used in making computer composed of different combinations of monitors; phosphors glow and emit red, light wavelengths appear identical under green, and blue light when struck by an a specific light source, but may look electron beam, thus creating an image.
  • Page 116 G-6 Glossary prepress proof resolution A print made from a set of film The number of pixels per inch (ppi) in a separations or other file to simulate the bitmap image or the number of dots per results of printing. A prepress proof is inch (dpi) that a device can render.
  • Page 117 G-7 Glossary spectral light substrate The wavelengths of electromagnetic In printing, the material upon which the radiation emitted by a given light source job is printed. that can be seen by the human eye. SWOP spectrophotometer The abbreviation for Specifications for An instrument commonly used in the Web Offset Publications.
  • Page 118 G-8 Glossary workflow The path a print job follows from creation to destination. A workflow may originate with an RGB scan imported to the client workstation and opened on the desktop in an image processing application, such as Photoshop. After adjustments are made to the scanned image, it is evaluated on a color proofing device for eventual color printing on the...
  • Page 119 Bibliography Books Adobe Print Publishing Guide. Adobe Press, 2001. ISBN: 1568304684 Blatner, David and Fraser, Bruce. Real World Photoshop 6. Berkeley: Peachpit Press, 2001. ISBN: 020M21996 Bruno, Michael H., ed. Pocket Pal ® : A Graphic Arts Production Handbook. Eighteenth Edition.
  • Page 121 Index Index defining in applications 2-1 HSB model 2-5, A-4 accent color A-11 HSL model 2-3, 2-5 additive color model A-5 HSV model 2-3 additive primaries A-5 illustration applications 6-1 Adobe Illustrator, see Illustrator physics of A-1 Adobe InDesign, see InDesign process colors A-9 Adobe PageMaker, see PageMaker proofing examples 1-14...
  • Page 122 I-2 Index computer monitors, see monitors HSV color model 2-3 continuous tone devices A-10 hue, saturation, and brightness A-1, A-4 CorelDRAW 6-13 to 6-16 CRDs ICC profiles bypassing 3-2, 5-2, 6-2 assigning to RGB images 6-2 rendering intent 2-3 included with user software xv custom color systems 2-5, A-13 workflow 1-14 ICC standard for color management...
  • Page 123 I-3 Index prism A-2 process colors 2-7, A-7, A-9, A-10 office applications 2-1, 2-3 to 2-5, profiles, device xi 3-1 to 3-2 proofing offset lithographic printing A-9 prepress A-9 offset press print jobs, workflow issues 2-2 offset press printing A-9 to A-10 output profile QuarkXPress 2-5, 5-10 to 5-14 color conversion xv...
  • Page 124 I-4 Index spot colors 2-5, 2-6, A-10 subtractive color model A-5, A-7 subtractive primaries A-7 sunlight A-1 swatch color matching 2-6 test prints xiii text font size A-14 using color with A-13 TIFF images assigning ICC profiles to 5-2 preview 4-11 printing at full resolution 5-9 recommended for imported images 4-9, 5-2...

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