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Xerox Phaser EX7750 Color Manual

Summary of Phaser EX7750

  • Page 1

    #olor'uide.

  • Page 2: About The

    This manual is part of a set of xerox ex7750 documentation that includes the following manuals for users and system administrators. Most are available as acrobat pdf (portable document format) files on the user documentation cd. • the quick start guide summarizes the steps for configuring the xerox ...

  • Page 3

    Part number: 45042986 10 december 2004 copyright © 2004 electronics for imaging, inc. All rights reserved. This product documentation 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 pri...

  • Page 4

    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. Refer to the class compliance sticker affixed to the back of your fiery (or, in the ca...

  • Page 5

    Ce marking (declaration of conformity) this product complies with the following eu directives: 89/336/eec, 73/23/eec, and 93/68/eec directives. This declaration is valid for the area of the european union. Software license agreement please read this software license agreement (“license agreement”) c...

  • Page 6

    To the maximum extent permitted by applicable law, except for the express limited warranty set forth above (“limited warranty”), efi makes and you receive no representations or warranties relating to the software, any product and/or any services, whether express, implied, statutory, or in any other ...

  • Page 7

    U.S. Government restricted rights use, duplication, or disclosure of the software by the united states government is subject to restrictions as set forth in far 12.212 or dfars 227.7202-3 - 227.7202-4 and, to the extent required under u.S. Federal law, the minimum restricted rights as set out in far...

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  • Page 9: Contents

    Contents about the documentation introduction about this manual xiii key features of colorwise xiv chapter 1: ex7750 color management managing color on the ex7750 1-1 rendering style 1-6 pure black text/graphics 1-7 black overprint 1-8 spot color matching 1-9 rgb source profile 1-11 cmyk simulation ...

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    X contents using calibrator 2-6 starting calibrator 2-6 expert mode 2-8 restoring default calibration measurements 2-10 calibrating the ex7750 with the es-1000 2-10 calibrating the ex7750 with the dtp41 2-14 calibrating the ex7750 with the dtp32 or dtp32hs 2-18 calibrating from the control panel usi...

  • Page 11: Index

    Xi contents appendix a: color measurement instruments using the efi spectrometer es-1000 a-1 setting up the es-1000 a-1 calibrating the es-1000 a-2 using the x-rite dtp41 spectrophotometer a-2 setting up the dtp41 a-2 calibrating the dtp41 a-6 using the x-rite dtp32 densitometer a-9 setting up the d...

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  • Page 13: About This Manual

    Xiii about this manual this manual explains how to manage color output on the xerox ex7750, and provides information on calibration and color profiles. This manual is part of a set of documentation that includes manuals for users and system administrators. The other manuals are available at your sit...

  • Page 14: Key Features Of Colorwise

    Xiv introduction • appendix b describes the simple ascii file format (saiff), which you can use to import toner density measurements from measurement devices. • the fiery color reference glossary defines words in bold—for example, output profile —that appear throughout this manual. Color terms and c...

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    Xv key features of colorwise • 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 printer or is first converted into the gamut of ano...

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  • Page 17: Managing Color On The Ex7750

    1 1-1 managing color on the ex7750 the following sections describe the options available from the colorwise color management system and explain how to customize the color settings for your particular needs. They provide descriptions of the preset colorwise default settings and cover additional optio...

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    1 1-2 ex7750 color management control the printing of these mixed-color documents with features that apply specifically to rgb, cmyk, or spot color data. Ex7750 color management generates cmyk data to be sent to the printer. The following diagram illustrates the print options in the ex7750 color man...

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    1 1-3 managing color on the ex7750 you can specify settings for the following options by selecting print options when you send a job to the ex7750. Some can also be set as defaults by the administrator during ex7750 setup or using colorwise pro tools. Settings specified using print options override ...

  • Page 20

    1 1-4 ex7750 color management rgb source profile efirgb/srgb (pc) /apple standard/other/ source 1-10/off (default set at setup or with colorwise pro tools) applies an rgb source space definition to rgb data (see page 1-11 ). If you choose the other setting, you must also specify particular settings ...

  • Page 21

    1 1-5 managing color on the ex7750 detailed explanations of how these and other settings affect your print jobs are provided in subsequent sections of this chapter. Rgb separation output/simulation (default set at setup or with colorwise pro tools) determines which cmyk color space your original rgb...

  • Page 22

    1 1-6 ex7750 color management rendering style the rendering style option specifies a crd for color conversions. To control the appearance of images, such as prints from office applications or rgb photographs from photoshop, select the appropriate rendering style. The ex7750 allows you to select from...

  • Page 23

    1 1-7 managing color on the ex7750 n ote : the rendering styles associated with the pcl driver do not match those associated with the postscript driver. Pure black text/graphics the pure black text/graphics option affects the printout for black text and vector graphics on a page. Under most circumst...

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    1 1-8 ex7750 color management n ote : 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 ex7750. These elements are not affected by the pure black text/graphics option. For details, see the fiery color re...

  • Page 25

    1 1-9 managing color on the ex7750 one example of how you might use this setting is with a page that contains 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 set to text or text/graphics...

  • Page 26

    1 1-10 ex7750 color management for jobs that include 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 1-12 ). For pdf jobs that include spot colors and where...

  • Page 27

    1 1-11 managing color on the ex7750 rgb source profile the rgb source profile setting allows you to define the characteristics of the rgb data in your document so the appropriate color conversion can occur on the ex7750. Commonly used monitor color spaces are available from the printer driver and fr...

  • Page 28

    1 1-12 ex7750 color management • sources 1-10 specify the definitions you download as rgb source profiles. For more information about downloading rgb source profiles, see page 3-5 . If you are printing with the postscript driver from a windows computer and have two-way communication enabled, the nam...

  • Page 29

    1 1-13 managing color on the ex7750 if you are printing with the postscript driver from a windows computer and have two-way communication enabled, the name of each downloaded or custom profile is represented in the cmyk simulation profile setting menu. If you are printing with the adobeps driver fro...

  • Page 30

    1 1-14 ex7750 color management cmyk simulation method the cmyk simulation method allows you to define your preferred cmyk-to-cmyk conversion technique. • quick applies one-dimensional transfer curves to adjust output densities in the cyan, magenta, yellow, and black channels. This technique leads to...

  • Page 31

    1 1-15 managing color on the ex7750 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 ex7750 to “separate” th...

  • Page 32

    1 1-16 ex7750 color management image smoothing the image smoothing option prevents low-resolution images from appearing “jaggy” or “blocky.” this option uses an image interpolation technique that averages the color of individual pixels based on their neighbors. The image smoothing option only affect...

  • Page 33

    1 1-17 postscript printer driver for windows and mac os combine separations the combine separations setting specifies how to print separated cmyk data. With spot-on, you can combine an unlimited number of spot color separations along with the cmyk separations.The combine separations options are: • o...

  • Page 34

    1 1-18 ex7750 color management n ote : the following illustrations and instructions do not apply to all applications. Many applications, such as adobe pagemaker, photoshop, adobe illustrator, quarkxpress, and coreldraw, have other color management options in addition to those presented in the printe...

  • Page 35

    1 1-19 postscript printer driver for windows and mac os 3. Click expert settings. The expert color settings flowchart appears. This window displays additional color settings for the ex7750. Each option includes a menu from which you select settings for your specific job. 4. Click update to display t...

  • Page 36

    1 1-20 ex7750 color management adobe postscript printer driver for mac os this section explains how to set color management print options with the adobeps printer driver for mac os, a postscript 3 driver that takes full advantage of the color features of the ex7750 and allows you to save a set of pr...

  • Page 37

    1 1-21 postscript printer driver for windows and mac os n ote : if you use the postscript color matching option, the driver may, depending on the application in use, attach a cmyk source definition to the cmyk data in your document. In such a case, the cmyk data in the document is reseparated using ...

  • Page 38

    1 1-22 ex7750 color management 2. Choose color/grayscale from the print color menu. 3. In the printer specific options menu, choose settings for the print options described on page 1-3 . If these settings are used regularly, click save settings to save them for subsequent jobs. Choose color/grayscal...

  • Page 39

    1 1-23 postscript printer driver for windows and mac os t o set ex7750 color management options from m ac os x v 10.2 or later 1. In the print dialog box, choose printer features. 2. In the printer features area, choose settings for the print options described on page 1-3 . Choose printer features f...

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  • Page 41: Chapter 2:

    2 2-1 color calibration calibrating the ex7750 ensures consistent, reliable color output. This chapter explains how calibration works and provides instructions for all calibration procedures. N ote : this chapter describes calibrating the ex7750. You must also calibrate the phaser 7750. For instruct...

  • Page 42: An Overview Of Calibration

    2 2-2 color calibration for information about the advanced calibration and simulation features available with colorwise pro tools, such as editing profiles and creating custom profiles, see chapter 3 . A format for inputting color measurements from other densitometers is described in appendix b . N ...

  • Page 43: Understanding Calibration

    2 2-3 understanding calibration understanding calibration although the default calibration set meets most users’ needs, the ex7750 allows you to choose a calibration set to customize calibration for specialized jobs. Calibration allows you to: • maximize the color reproduction capabilities of the ex...

  • Page 44

    2 2-4 color calibration measurements measurement files contain numerical values that correspond to the toner density produced by the printer when it prints solid cyan, magenta, yellow, and black, and graduated tints of those colors. To create a measurement file, print a page of color patches and the...

  • Page 45

    2 2-5 understanding calibration to monitor print quality, print the following color reference pages: • color charts from the control panel (see the configuration guide ) • color charts from command workstation/command workstation le (see the job management guide ) • color reference pages included wi...

  • Page 46: Using Calibrator

    2 2-6 color calibration using calibrator colorwise pro tools calibrator allows you to calibrate the ex7750 using the measurement method of your choice. Changing the calibration has the potential to affect all jobs for all users, so consider limiting the number of people authorized to perform calibra...

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    2 2-7 using calibrator 2. Click calibrator. 3. Use the calibrator window to perform the calibration method of your choice. Procedures for each calibration method are described in subsequent sections of this chapter..

  • Page 48

    2 2-8 color calibration expert mode calibrator provides two modes: standard mode and expert mode. You can perform all essential calibration tasks while in standard mode. Expert mode offers two additional options: print pages and view measurements. With the print pages option, print a calibration com...

  • Page 49

    2 2-9 using calibrator the view measurements option allows you to view the current set of measurements as a table or graph that shows both the measurements and the target curves. When more than one profile uses the same target, an additional menu called plot against appears in the upper-right corner...

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    2 2-10 color calibration restoring default calibration measurements the ex7750 is shipped with default calibration measurements. You can use these measurements to achieve acceptable color without calibration, depending on the printer you use. If the measurement device you use does not produce accept...

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    2 2-11 calibrating the ex7750 with the es-1000 t o configure w indows xp to generate a visual signal for a beep 1. Click start. 2. Choose control panel. 3. Double-click the accessibility options icon. 4. Click the sound tab. 5. Select use soundsentr, and set the visual warning to flash desktop. 6. C...

  • Page 52

    2 2-12 color calibration 5. Choose the appropriate options and click print. For page type, choose 21 or 34 sorted patches, or 21 or 34 randomized patches. Sorted patches are printed on the page in the order of their hue and saturation levels. Randomized patches are printed on the page in random orde...

  • Page 53

    2 2-13 calibrating the ex7750 with the es-1000 8. Check the settings and click measure. The information dialog box appears. 9. Place the es-1000 spectrometer in the calibration cradle. When you place the es-1000 spectrometer in the calibration cradle, white point calibration is used to calibrate the...

  • Page 54

    2 2-14 color calibration 14. Press and hold the measure button and wait for a beep. N ote : to hear a beep with a windows compatible computer, you must install a sound card and speaker(s). You might need to turn up the volume on your computer to hear the beep. Alternatively, you can configure the co...

  • Page 55

    2 2-15 calibrating the ex7750 with the dtp41 t o calibrate the ex7750 using the dtp41 1. Start calibrator. For instructions on starting calibrator, see page 2-6 . 2. Choose x-rite dtp41 as the measurement method. 3. In the check print settings pane, choose the desired calibration set. Choose the app...

  • Page 56

    2 2-16 color calibration 7. Click measure in the get measurements pane. The measurement options dialog box displays the specified page type and paper size options. 8. Click measure. 9. If necessary, choose the appropriate com port for the dtp41 from the available ports menu. Click start measurements...

  • Page 57

    2 2-17 calibrating the ex7750 with the dtp41 11. Click read strip. The dtp41 pulls the measurement page through automatically. After the measurement page is read, calibrator instructs you to insert and align the page again for the next color. 12. Repeat the measurement process for the magenta, yello...

  • Page 58

    2 2-18 color calibration calibrating the ex7750 with the dtp32 or dtp32hs using the dtp32 or dtp32hs, you can quickly measure color patches and download these measurements to the ex7750 using colorwise pro tools calibrator. N ote : before using colorwise pro tools and the dtp32 to calibrate the ex77...

  • Page 59

    2 2-19 calibrating the ex7750 with the dtp32 or dtp32hs for input tray, specify the paper source. 6. Retrieve the measurement page from the printer. 7. Click measure in the get measurements pane. The measurement options dialog box displays the specified page type and paper size options. 8. Click mea...

  • Page 60

    2 2-20 color calibration 9. When the status field indicates that the measurements were read successfully, click accept. 10. Click ok in the measure dialog box. 11. Click apply in the calibrator window to implement the new calibration set. 12. Click ok in the information dialog box. This completes th...

  • Page 61

    2 2-21 calibrating from the control panel using visualcal gray balance the second visualcal page, “gray balance,” provides the basis for calculating a “neutral gray balance,” that is, a cmy gray that as closely as possible matches a pure k (black) gray produced by the printer’s engine. This page con...

  • Page 62

    2 2-22 color calibration 7. Select yes to print the gray balance page. To reset the printer’s gray balance, follow the instructions provided on the gray balance page. When you finish entering all values, the print color test screen appears (expert mode only). N ote : if the gray balance page is prin...

  • Page 63

    2 2-23 calibrating from the control panel using visualcal t o remove calibration from the c ontrol p anel 1. From the ex7750 control panel, access the calibration menu as described on page 2-21 . 2. Choose remove calibration. 3. Select the media type. 4. When prompted, verify that you want to procee...

  • Page 64

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  • Page 65: Chapter 3:

    3 3-1 colorwise pro tools designed to give you flexible control of color printing, colorwise pro tools include the following color management tools: • calibrator (see chapter 2 ) • color editor • profile manager • spot-on • color setup colorwise pro tools for windows and mac os computers are fundame...

  • Page 66: Profile Manager

    3 3-2 colorwise pro tools profile manager profile manager allows you to manage and edit icc profiles. In the case of the ex7750, these profiles are divided into rgb source, simulation, and output profiles: • rgb source contains all monitor profiles resident on the ex7750. Rgb source profiles are use...

  • Page 67

    3 3-3 profile manager setting default profiles use profile manager to set a default rgb source profile, simulation profile, and output profile. The default rgb source and simulation profiles that you set are applied to all print jobs sent to the ex7750, unless you override them using print options. ...

  • Page 68

    3 3-4 colorwise pro tools default rgb source and output profiles looks like a target ( ). The icon indicating the default simulation profile changes in appearance depending on whether the default rgb separation setting is set to simulation ( ) or output ( ). 2. Select the profile you want as the def...

  • Page 69

    3 3-5 profile manager t o use media - defined output profiles 1. Start colorwise pro tools and click profile manager. 2. Select use media defined profile in the output bar of profile manager. Changing the setting for the use media defined profile option in profile manager automatically changes the s...

  • Page 70

    3 3-6 colorwise pro tools 3. When the profile you want to download appears in the list in the main profile manager window, select it. If the profile is compatible with the ex7750, a green arrow indicates that the profile is available for downloading. Only output device profiles are downloadable to s...

  • Page 71

    3 3-7 profile manager editing profiles customize the profiles on the ex7750 to meet your specific needs and the characteristics of your printer using color editor, either directly or through profile manager. For more information about editing profiles, see “color editor” on page 3-11. Managing profi...

  • Page 72

    3 3-8 colorwise pro tools t o delete profiles from the ex7750 1. Start colorwise pro tools and click profile manager. 2. Select the profile you want to delete and click delete. A warning dialog box asks you to confirm the deletion. N ote : you cannot delete preset profiles, profiles that are current...

  • Page 73

    3 3-9 profile manager t o define a custom simulation profile 1. Start colorwise pro tools and click profile manager. For the purposes of this example, assume dic-new is a custom simulation profile created with color editor and, as such, no information is displayed for dic-new under the heading “appe...

  • Page 74

    3 3-10 colorwise pro tools n ote : although you cannot delete a preset profile, you can use the name of a preset profile for your edited profile when you select the “appear in driver as” option. This replaces the preset profile with your own profile. In profile settings, you can also change profile ...

  • Page 75: Color Editor

    3 3-11 color editor if you do not define a custom simulation profile, your job prints with cmyk simulation profile set to none. If you do not define a custom rgb source or output profile, the default profile is used. Considerations for defining output profiles the procedure for defining output profi...

  • Page 76

    3 3-12 colorwise pro tools color editor also has several edit modes for editing simulations: • master —create a custom master simulation that affects all print jobs to which it is applied, unless a linked simulation exists for the selected combination of simulation profile, simulation method, and ou...

  • Page 77

    3 3-13 color editor 3. Choose a profile to edit and click select. Another method is to open the profile manager, select a profile, and then click edit. 4. For a simulation profile, choose master from the edit mode menu. For an output profile, choose custom from the edit mode menu. For instructions f...

  • Page 78

    3 3-14 colorwise pro tools 5. Select the colors that you want to edit by turning colors off and on. The eye icon to the left of each color indicates whether that color is visible on the graph and will be affected by changes to the curves, brightness, and dot gain controls. You can view and edit all ...

  • Page 79

    3 3-15 color editor if you use dot gain values, apply the settings first, so that the curves are deflected from their straight-line positions. Then make edits to the new curves. When you adjust dot gain values, all existing points on the curve are removed. A warning dialog box allows you to cancel d...

  • Page 80

    3 3-16 colorwise pro tools n ote : adjust points in this way only after you have entered the dot gain and brightness values. For greater precision, type percentages in the input and output fields or use the arrow keys on the keyboard to adjust the curve. To use the arrow keys, you must first click t...

  • Page 81

    3 3-17 color editor t o edit a simulation in q uick , f ull (s ource gcr), or f ull (o utput gcr) mode 1. Start colorwise pro tools and click color editor. 2. Choose simulation from the view menu, select the simulation profile to edit, and then click select. Another method is to open the profile man...

  • Page 82

    3 3-18 colorwise pro tools 4. Edit and save the simulation, as described in steps 5 through 10 of the procedure starting on page 3-14 . For this new simulation to be automatically applied to a print job, the cmyk simulation, simulation method, and output profile settings must be the same as those us...

  • Page 83: Using Spot-On

    3 3-19 using spot-on t o check a profile 1. Click test print at the bottom of the color editor window. 2. Select a page to print. If you selected comparison page, choose a paper size. If you selected sample image page, choose an output profile. Then click print . Using spot-on the colorwise spot col...

  • Page 84

    3 3-20 colorwise pro tools starting spot-on you can start spot-on from colorwise pro tools. To use spot-on, you must first specify the output profile associated with the spot color dictionary that you want to edit. However, you may switch to a different output profile at any time while working with ...

  • Page 85

    3 3-21 using spot-on using the spot-on main window the spot-on main window displays a list of color groups that represent libraries of spot colors on the ex7750. Tool icons for working with colors appear at the top of the window. By default, the ex7750 includes several pantone libraries along with a...

  • Page 86

    3 3-22 colorwise pro tools t o open and close a color group 1. To open a color group, click the icon to the left of the group name. You can also open a group by double-clicking the blank area to the right of the group name. When you open a group, all colors in the group are displayed, and the group ...

  • Page 87

    3 3-23 using spot-on working with existing colors with spot-on, you can view and manage existing groups of colors on the ex7750. You can also search for a particular color in the spot-on list. Color groups in the spot-on window appear in order of their priority. Highest priority is given to color gr...

  • Page 88

    3 3-24 colorwise pro tools t o find a specific color 1. Choose find from the edit menu. The find dialog box appears. 2. Enter the name of the color you want to find and click ok. Spot-on searches for the specified color, starting from the top of the color list. The located color appears selected in ...

  • Page 89

    3 3-25 using spot-on t o rename a custom color or color group 1. Select the color name or specific color you want to edit. 2. Type the new name exactly as it appears in the print job documents, including uppercase and lowercase characters and spaces, as necessary. N ote : default groups or colors, s...

  • Page 90

    3 3-26 colorwise pro tools downloading custom color groups you can download custom color groups from your computer to the ex7750. Downloaded groups are added as custom groups to the spot-on color list and are enabled immediately for use on the ex7750. T o download custom color groups 1. Select the l...

  • Page 91

    3 3-27 using spot-on uploading custom color groups upload custom color groups from the ex7750 to your computer as icc files. The upload feature allows you to share a group by creating a local copy that can be downloaded to another ex7750. Before you can upload a color group to your computer, it must...

  • Page 92

    3 3-28 colorwise pro tools editing color values the spot-on color search targets the exact cmyk toner equivalents required to simulate a desired spot color on the printer. If an existing spot color is not printing as desired, you can modify the color values as needed to achieve your intended result....

  • Page 93

    3 3-29 using spot-on 2. To update the center patch to a neighboring color that more closely matches the target, click the corresponding neighbor patch. Neighboring patches represent variations from the center patch and can be selected if they offer a closer match to the desired color. Clicking one o...

  • Page 94

    3 3-30 colorwise pro tools select monitor compensation to simulate how all the on-screen color patches will appear when printed on paper. This simulation depends on the monitor profile that has been configured for the display. To specify the monitor profile, choose preferences from the edit menu in ...

  • Page 95

    3 3-31 using spot-on 6. Click ok to print the patches. The print pattern test page prints the following information: • center patch color cmyk value • color spacing • lightness or saturation neighbors selected • output profile selected the goal of the spot-on color search is to find the color values...

  • Page 96

    3 3-32 colorwise pro tools t o target a color using exact cmyk values 1. Click the center patch in the spot-on color search window. The set center patch color dialog box appears. 2. Select how you want to enter the cmyk values. The percentages option allows you to enter color values between 0 and 10...

  • Page 97

    3 3-33 using spot-on using a measurement instrument to target colors if you use the efi spectrometer es-1000, you can import measured color values directly into spot-on. This feature allows you to target matches based on the actual colors of immediate objects, such as the red of a printed logo or th...

  • Page 98

    3 3-34 colorwise pro tools 4. Place the es-1000 over the target color, making sure to center the sample aperture over the color. Press measure to take the measurement. The measured cmyk values are imported into spot-on as follows: • if an individual color is selected in the color list, it updates to...

  • Page 99: Color Setup

    3 3-35 color setup color setup use color setup to set the default colorwise settings for the ex7750. To access color setup, click its icon in the colorwise pro tools main window. Setting default colorwise options color setup allows you to configure the default color management settings for the ex775...

  • Page 100

    3 3-36 colorwise pro tools for those color options that offer multiple choices, make your selection from the menu that appears. For rgb separation, use the radio button next to the option name. For other options, use the check box next to the option name. Once you make your changes, you must click o...

  • Page 101: Appendix A:

    A a-1 color measurement instruments this appendix explains how to set up and calibrate the following color measurement instruments: • efi spectrometer es-1000 hand-held spectrometer • x-rite dtp41 automatic scanning spectrophotometer • x-rite dtp32 automatic scanning densitometer using the efi spect...

  • Page 102

    A a-2 color measurement instruments the following illustration shows the different parts of the es-1000. Calibrating the es-1000 when you place the es-1000 in the calibration cradle, white point calibration is used to calibrate the spectrometer. Make sure the sample aperture is in full contact with ...

  • Page 103

    A a-3 color measurement instruments t o connect the x-r ite dtp41 to the computer 1. Turn off the computer. 2. Unpack the x-rite dtp41 and remove the spacer from the measurement page slot. 3. Plug the square end of the interface cable (looks like a modular phone plug) into the serial interface conne...

  • Page 104

    A a-4 color measurement instruments 4. Attach the connector to the computer. For a windows computer, insert the 8-pin mini-din end of the interface cable into the 9-pin db9 connector cable adapter. Insert the 9-pin end into the com1 or com2 port on the computer and tighten the screws. If the availab...

  • Page 105

    A a-5 color measurement instruments n ote : for mac os computers with a usb port (for example, an imac), you need an adapter to connect the dtp41 to your computer. For information about supported adapters, see the x-rite, inc. Web site (www.X-rite.Com). 5. Use the ac adapter to provide power. Plug t...

  • Page 106

    A a-6 color measurement instruments calibrating the dtp41 for the best color accuracy, calibrate the x-rite dtp41 spectrophotometer every time you calibrate the ex7750. You can initiate the calibration sequence in colorwise pro tools calibrator as part of the process of ex7750 calibration. The compu...

  • Page 107

    A a-7 color measurement instruments 4. In the get measurements pane, click measure. 5. In the measurement options dialog box, click measure. 6. Choose the appropriate com port for the dtp41 from the available ports menu. The instructions area displays instructions for selecting the port..

  • Page 108

    A a-8 color measurement instruments 7. Click utilities. The utilities dialog box appears. To view version and serial number information, click show dtp-41 info, and then click done when you are finished. 8. Click calibrate dtp-41. The instrument calibration dialog box appears..

  • Page 109

    A a-9 color measurement instruments 9. If you have not already done so, remove the shipping spacer from the measurement page slot. 10. Insert the end of the color reflection reference strip into the calibration strip entrance on the dtp41. Center the arrow on the strip below the alignment mark (see ...

  • Page 110

    A a-10 color measurement instruments setting up the dtp32 before you calibrate the ex7750 using the x-rite dtp32, you need to connect, configure, and calibrate the densitometer to prepare for measuring the printed patches (see “calibrating the dtp32” on page a-12). For additional information about s...

  • Page 111

    A a-11 color measurement instruments for a mac os computer, connect the 8-pin mini-din plug directly into the serial port of the computer. N ote : for mac os computers with a usb port (for example, an imac), you need an adapter to connect the dtp32 to your computer. For information about supported a...

  • Page 112

    A a-12 color measurement instruments calibrating the dtp32 you will need the black-and-white x-rite auto-cal strip included with the densitometer. Calibrating the densitometer does not require colorwise pro tools. T o calibrate the x-r ite dtp32 1. Connect the densitometer to the computer and supply...

  • Page 113: Appendix B:

    B b-1 importing density measurements this appendix describes simple ascii file format, which can be used to import density measurements from measurement devices. To use your own measurement data from an alternate measurement instrument, record your individual readings in a text file and structure it...

  • Page 114

    B b-2 importing density measurements example of 1d status t density for efi 34 patch page this file format is used to specify the status t density measurements of the efi 34 patch page. The value in the first column is the patch number. The first patch must be 1 and the last must be 34. #!Efi 3 # ef...

  • Page 115

    B b-3 importing density measurements example of 1d status t density for an arbitrary page this file format is used to specify the status t density measurements of a user-defined patch page. The value in the first column is the ink/toner percentage of the patch. The first percentage must be 0 and the...

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  • Page 117: Index

    Index a absolute colorimetric rendering style 1-6 apple standard setting, rgb source profile option 1-11, 3-2 b black detection option 1-5 black overprint option 1-8 black overprint style option 1-3 black text and line art 1-3 brightness option 1-3 c calib.Ps file 3-18 calibration checking status 2-...

  • Page 118

    I-2 index d default color controls set in setup 1-3 densitometer dtp32 2-18 to 2-20, a-9 to a-12 density values about 2-3, 2-5 importing b-1 to b-3 dic, cmyk simulation option 3-2 dot gain values, adjusting 3-14 drivers, see printer drivers dtp32 calibrating with 2-18 instrument calibration a-12 set...

  • Page 119

    I-3 index postscript color management 1-20 postscript color matching option 1-20 ppd 1-18, 1-20 presentation rendering style 1-6 print mode option 1-3 print options colorwise 1-3 to 1-10 mac os 1-20 to 1-22 setting defaults 3-35 windows 1-18 to 1-19 printer drivers mac os 1-20 to 1-22 two-way commun...

  • Page 120

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