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Fiery 3850C, Руководство по цветам

Owner's Manual для RaceAmerica 3850C - это важный ресурс для понимания и использования этого продукта. Вы можете бесплатно загрузить этот руководство по ссылке manualshive.com, чтобы получить всю необходимую информацию и инструкции для эффективного использования RaceAmerica 3850C.

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B

B-3

Color Management

You need to account for the gamut of your print device when designing on a color 
monitor. When printed, colors that fall outside the print device gamut are “mapped” to 
printable colors. This process, referred to as gamut mapping, takes place when color 
data is converted or adjusted to meet the gamut requirements of a print device. 

The Fiery 3850C is specially designed to perform gamut mapping at high speed with 
high quality results. It provides these color management features automatically, using 
either built-in default settings or settings you specify for a particular print job. For 
added flexibility, the Fiery 3850C color management system can also be used in 
combination with color management systems on Windows and Mac OS computers.

Basics of color management

The past several years have seen progress toward standardization in the field of digital 
color management systems. Both the Windows and Mac OS operating systems now 
support a standard format developed by the International Color Consortium (ICC). 
This ICC format is implemented on Windows 98/Me and Windows 2000 computers 
in Image Color Matching (ICM) and on Mac OS computers in ColorSync. More and 
more software developers are also incorporating color management systems into high-
end applications. The Fiery 3850C color management system, ColorWise, supports 
this industry standard profile format. 

A color management system, or CMS, is a “translator” between the color space of the 
source image (the monitor, or a scanner, for example) and the color space of the output 
device. The CMS uses a device-independent color space, such as CIELAB, as its 
intermediate color space. To perform its translation, the CMS needs information about 
the color space of the source image and the gamut of the print device. This 
information is provided in the form of profiles, often created by the makers of the 
monitor or print device. The end product of a CMS conversion is a printed document 
or an image file in the gamut of a particular device.

N

OTE

:

If color matching between computer display and printed output is critical, you 

should calibrate your monitor as well as your printer. For most users, predictability of 
printed color output is adequate and monitor calibration is not necessary. For 
information on monitor calibration, see your Photoshop or Illustrator documentation.

Содержание 3850C

Страница 1: ...Fiery 3850C COLOR GUIDE ...

Страница 2: ......

Страница 3: ...ips Splash Velocity Velocity Balance Velocity Build Velocity Design Velocity Estimate Velocity Scan and VisualCal are trademarks of Electronics For Imaging Inc All other terms and product names may be trademarks or registered trademarks of their respective owners and are hereby acknowledged Legal Notices APPLE COMPUTER INC APPLE MAKES NO WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION T...

Страница 4: ...lded 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 Hiermit wird bescheinigt dass der FC07 im Übereinstimmung mit den Bestimmungen der VFG 243...

Страница 5: ...survive termination 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 durin...

Страница 6: ...ds 1980 This Agreement is the entire agreement held between us and supersedes any other communications or advertising with respect to the Software If any provision of this Agreement is held invalid the remainder of this Agreement shall continue in full force and effect If you have any questions please see EFI s web site at www efi com Electronics For Imaging 303 Velocity Way Foster City CA 94404 ...

Страница 7: ... Printer drivers and print options 1 11 What a printer driver does 1 11 PostScript printer driver for Windows computers 1 12 Adobe PostScript printer driver for Mac OS 1 16 Chapter 2 Simple and Advanced Workflows Workflow concepts 2 1 Short run printing versus color proofing 2 1 RGB CMYK and PANTONE colors 2 2 Desktop versus Fiery 3850C color management 2 2 Simple workflows 2 3 Select your colors ...

Страница 8: ...ter 3 11 Calibrating with ColorWise Pro Tools and DTP41 3 16 Using a densitometer 3 25 Setting up the ED 100 densitometer 3 25 Setting up the X Rite DTP32 densitometer 3 25 Calibrating the X Rite DTP32 densitometer 3 28 Calibrating with ColorWise Pro Tools and DTP32 ED 100 3 29 Expert Mode 3 35 Chapter 4 ColorWise Pro Tools Profile Manager 4 1 Setting the default profiles 4 3 Downloading profiles ...

Страница 9: ...ce Applications Working with office applications 6 1 Defining colors 6 1 Working with imported files 6 1 Selecting options when printing 6 2 Output profiles 6 2 Chapter 7 Adobe Photoshop Specifying color settings 7 1 Photoshop 6 x color settings 7 1 Photoshop 5 x 7 4 Photoshop 5 x color settings 7 4 ColorSync defaults 7 10 Defining colors 7 11 Saving files for importing into other documents 7 11 A...

Страница 10: ...s 8 3 Windows version requirement 8 4 Importing images 8 4 Selecting options when printing 8 4 Optional Color Management from PageMaker 8 6 QuarkXPress 4 x for Mac OS and Windows 8 6 Importing images 8 7 Selecting options when printing 8 7 Optional Color Management from QuarkXPress 8 8 QuarkXPress 3 32 for Mac OS and Windows 8 8 Windows version requirement 8 8 Importing images 8 9 Selecting option...

Страница 11: ...cuments 9 12 Optional color management in FreeHand 9 12 CorelDRAW for Windows and Mac OS 9 12 Defining colors 9 12 Importing images 9 13 Selecting options when printing 9 13 Saving files for importing into other documents 9 14 Optional Color Management in CorelDRAW 9 14 Appendix A Desktop Color Primer The properties of color A 1 The physics of color A 1 CIE color model A 2 Hue saturation and brigh...

Страница 12: ...nter consistency B 2 Print device gamut B 2 Basics of color management B 3 Color conversion B 4 Appendix C Importing Densitometer Measurements Simple ASCII Import File Format SAIFF C 1 Example of 1D Status T density for EFI 34 patch page C 2 Example of 1D Status T density for EFI 21 patch page C 2 Example of 1D Status T density for an arbitrary page C 3 Glossary Bibliography Index ...

Страница 13: ...mation about managing the color output of your Fiery 3850C Chapter 1 describes the Fiery 3850C print options and how to get the best color results and Chapter 2 describes several effective workflows Calibration is discussed in the next two chapters Chapter 3 covers ColorWise Pro Tools and other methods of calibrating the printer and Chapter 4 takes you through the features of Profile Manager used ...

Страница 14: ... to connect each user to the network The Printing Guide describes the printing features of the Fiery 3850C for users who send jobs via remote workstations on the network The Job Management Guide explains the functions of the Fiery 3850C client utilities including the Command WorkStation and how you use them to manage jobs This book is intended for an operator or administrator or a user with the ne...

Страница 15: ...f photographs and relative or absolute colorimetric rendering for specialized needs Define the source of incoming RGB color data for better screen matching and better color conversion of RGB data with no source information ColorWise offers an open color architecture letting users customize the Fiery 3850C to meet new printing needs as they arise ColorWise supports ICC profiles which are industry s...

Страница 16: ......

Страница 17: ...aging color on the Fiery 3850C You can modify the Fiery 3850C printing behavior in several ways Select ColorWise options for an individual print job using menus that appear from the printer driver Select most ColorWise options as server defaults from the Color Setup application in ColorWise Pro Tools see page 4 19 Defaults can also be set from Fiery 3850C Setup or from the Control Panel as describ...

Страница 18: ...C color rendering style CRD to RGB data see page 1 4 or to any incoming data with a PostScript source color space definition including CMYK RGB Source Profile EFIRGB sRGB PC Apple Standard Other Source 1 10 None Default set at Setup or with ColorWise Pro Tools Applies an RGB source space definition to RGB data see page 1 5 If you choose the Other setting you can specify particular settings for Gam...

Страница 19: ...r in ColorWise Pro Tools The Output Profile is applied to all data in the print job see page 1 6 User defined output profiles can be downloaded to the Fiery 3850C using ColorWise Pro Tools see Chapter 4 Pure Black Text Graphics On Off Default set at Setup The On setting optimizes the quality of black text and line art output see page 1 7 Black Overprint On Off Default set at Setup The On setting o...

Страница 20: ...ell similar to the Photographic rendering style Artwork and graphs in presentations In many cases it can be used for mixed pages that contain both presentation graphics and photographs Saturation Graphics Relative Colorimetric Provides white point transformation between the source and destination white points For example the bluish gray of a monitor will map to neutral gray You may prefer this sty...

Страница 21: ...er than None for the RGB Source Profile since the color space definitions are overridden the prints from the Fiery 3850C will be consistent across platforms Below are the Fiery 3850C 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 Windo...

Страница 22: ...roduced with an ICC profile choose the corresponding profile on the Fiery 3850C with the CMYK Simulation Profile setting For images 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 3850C For more information about downloading ICC profiles...

Страница 23: ...ts the printout for black text and vector graphics on a page Under most circumstances you can leave this option set to On 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...

Страница 24: ...er 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 effects 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 ...

Страница 25: ...e 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 printer Spot Color Matching The Spot Color Matching option provides automatic matching of PANTONE colors with their best CMYK equivalents On The Fiery 3850C uses a built in table to generate the closest CMYK matches of PANTONE colors your pri...

Страница 26: ...the best matches of the PANTONE colors that your printer can produce The PANTONE number is printed below each swatch Off The Fiery 3850C 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 pr...

Страница 27: ...rt them to PostScript data A PostScript printer driver also allows you to select print options specific to your printer To do this the printer driver must be matched with a PostScript printer description file PPD for your Fiery 3850C The PPD contains information about the particular features supported by the Fiery 3850C and the printer You can think of the PPD as the lines of PostScript code in th...

Страница 28: ...ess In addition 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 3850C print options you selected The printer driver sends the PostScript file to the Fiery 3850C The Fiery 3850C then performs PostScript processing and color conversions and sends ras...

Страница 29: ...age of the color features of the Fiery 3850C Before you proceed make sure you have completed the following procedures described in Getting Started Install the Adobe PostScript Printer Driver and the Fiery 3850C PPD Set up the Fiery 3850C for printing To set print options see the information for your operating system on page 1 12 Under the Fiery Printing tab click the ColorWise menu to select setti...

Страница 30: ...Management Click Expert Settings to display additional color settings for the Fiery 3850C Each option allows you to select settings for your specific job Click the Expert Settings button to access additional ColorWise options ...

Страница 31: ...options see page 1 2 Setting color management print options for Windows 2000 This section explains Fiery 3850C color print options with the Microsoft PostScript Printer Driver for Windows 2000 This PostScript driver takes full advantage of the color features of the Fiery 3850C Before you proceed make sure you have completed the following procedures described in Getting Started Install the Fiery 38...

Страница 32: ...e of the color features of the Fiery 3850C and lets you save a set of print option settings Before you continue make sure you have completed the following Install the AdobePS printer driver and the Fiery 3850C PPD as described in Getting Started Select the Fiery 3850C in the Chooser and set it up with the Fiery 3850C PPD NOTE The following illustrations and instructions do not apply to all applica...

Страница 33: ...0C It provides for color conversion using a color rendering dictionary CRD that is downloaded with the print job This method requires that the file be saved as an EPS with PostScript Color Management selected NOTE 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 this case the CMYK...

Страница 34: ...color management options In the AdobePS Print dialog box choose Color Matching from the pull down menu In the Color Matching pane choose Color Grayscale from the Print Color pull down menu Choose Color Matching from the pull down menu Choose Color Grayscale ...

Страница 35: ...ivers and print options In the Printer Specific Options pane choose settings for the print options described on page 1 2 If these settings are ones you use regularly click Save Settings to save them for subsequent jobs ...

Страница 36: ......

Страница 37: ...tention to the version of a particular application when considering the workflows in this chapter Short run printing versus color proofing Short run color printing refers to those jobs for which the Fiery 3850C is the final print device Printing jobs to the Fiery 3850C in preparation for printing on an offset press is referred to as color proofing Both types of Fiery 3850C print jobs use RGB CMYK ...

Страница 38: ...ff instructs the Fiery 3850C to match the printer output to a PANTONE specified process simulation This CMYK combination is then printed with the CMYK Simulation setting you choose such as SWOP or DIC Desktop versus Fiery 3850C color management A desktop color management system uses ICC profiles to convert colors from one device gamut to the next see Appendix B The color data is converted when it ...

Страница 39: ...nagement You can define or modify colors at any stage in the workflow Since ColorWise is compatible with most other color management systems you can use the workflow most familiar to you This section provides examples of color workflows that should meet the needs of most Fiery 3850C users For information on specific desktop applications see Chapters 6 through 9 Select your colors wisely For the co...

Страница 40: ...ee Chapter 3 Select a short workflow Every time colors are converted performance and color accuracy are affected Therefore a workflow with fewer steps minimizes the risk of error Workflow 1 using ColorWise calibration minimal workflow A minimal color workflow requires that you calibrate the printer Select from printed colors as described above and set the CMYK Simulation option to None since simul...

Страница 41: ...uter processor When you use ColorWise jobs leave your computer faster to be processed more quickly on the Fiery 3850C The recommended standard color workflow indicated by the black boxes in the diagram below uses ColorWise calibration and color management The Fiery 3850C comes into play near the end of the color workflow To ensure the colors you selected reach the Fiery 3850C and ColorWise in a us...

Страница 42: ... printer The Fiery 3850C still prints pages using your PostScript files and drives the printer and its accessories but it does not perform CMYK color transformation nor does it consider the calibration of the printer Calibration is needed in order to get consistent output since the color response from your printer varies significantly depending on wear heat humidity and service The diagram below i...

Страница 43: ... Matching On Mac OS computers set the printer driver to include no color management commands at print time see page 1 16 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 ColorW...

Страница 44: ...ndering Style set to Photographic The diagram below indicates the steps for this particular workflow in black Photoshop RGB workflow Photoshop Printer driver ColorWise print options Read Embedded Profiles Define RGB Source Embed Source Profiles Convert RGB to CMYK Convert CMYK to CMYK Select RGB Mode Select CMYK Mode Select Destination Profile Save as TIFF Save as EPS Save as JPEG Print Mac OS Onl...

Страница 45: ...e colored using CMYK process colors or PANTONE spot colors Use the settings illustrated in this workflow for printing brochures newsletters and other layouts NOTE Anytime you place CMYK colors in a document select them from printed output see page 2 3 This document could be created as follows Create an RGB image in Photoshop and save it as Photoshop EPS Create a graphic in Illustrator using CMYK a...

Страница 46: ...s TIFF Save as EPS Save as JPEG Print Read Embedded Profile Define RGB Colors Define CMYK Colors Define PANTONE Colors Convert RGB to CMYK Convert PANTONE to CMYK Embed Source Profile Select Destination Profile Export as TIFF Save as EPS Print Read Embedded Profile Define RGB Colors Define CMYK Colors Define PANTONE Colors Convert RGB to CMYK Convert CMYK to CMYK Convert PANTONE to CMYK Embed Sour...

Страница 47: ...ge in Photoshop and save it as Photoshop EPS Create a graphic in Illustrator using CMYK colors and a PANTONE spot color and save as Illustrator EPS Create a presentation in PowerPoint using RGB colors Import the Illustrator EPS graphic into the PowerPoint presentation and place the Photoshop EPS image Print the PowerPoint document to the Fiery 3850C Use ColorWise to convert the PowerPoint RGB colo...

Страница 48: ...YK Convert CMYK to CMYK Select RGB Mode Select CMYK Mode Select Destination Profile Save as TIFF Save as EPS Save as JPEG Print Read Embedded Profile Define RGB Colors Define CMYK Colors Define PANTONE colors Convert RGB to CMYK Convert PANTONE to CMYK Embed Source Profile Select Destination Profile Export as TIFF Save as EPS Print Define RGB Colors Convert CMYK to RGB Print Mac OS Only Black and ...

Страница 49: ...they use In this example an image in Photoshop 5 x is converted from RGB to CMYK using the Photoshop ICC color conversion features in the CMYK Setup option For more information on CMYK Setup see your Photoshop 5 x documentation Using the Simulation settings available in ColorWise the CMYK image is printed to the Fiery 3850C and the output is made to appear as if it were printed on an offset press ...

Страница 50: ...iver ColorWise print options Read Embedded Profiles Define RGB Source Embed Source Profiles Convert RGB to CMYK Convert CMYK to CMYK Select RGB Mode Select CMYK Mode Select Destination Profile Save as TIFF Save as EPS Save as JPEG Print Mac OS Only Black and White Color Grayscale ColorSync Color Matching PostScript Color Matching Define RGB Source Select RGB Source None Select Rendering Style CRD ...

Страница 51: ... the Built in option from CMYK Setup in Photoshop 5 x 6 0 Color Settings Adjust the Ink Options and Separation Options to match your offset press Select the Tables option in CMYK Setup and click Save This saves your settings as a CMYK ICC profile that you will later download to the Fiery 3850C as a custom simulation profile Select the Built in option in CMYK Setup again and click OK Launch ColorWi...

Страница 52: ...bed Source Profiles Convert RGB to CMYK Convert CMYK to CMYK Select RGB Mode Select CMYK Mode Select Destination Profile Save as TIFF Save as EPS Save as JPEG Print Mac OS Only Black and White Color Grayscale ColorSync Color Matching PostScript Color Matching Define RGB Source Select RGB Source None Select Rendering Style CRD Convert Press CMYK to Press Sim Convert Press CMYK to Custom Sim Select ...

Страница 53: ... works and provides instructions for all calibration procedures Calibrating with VisualCal is described onpage 3 5 Calibrating with ColorWise Pro Tools is described on page 3 29 For information on advanced calibration and simulation features such as editing profiles and creating custom profiles see Chapter 4 A format for inputting color measurements from other densitometers is described in Appendi...

Страница 54: ...dministrator password from the Fiery 3850C Control Panel or in Setup from Command WorkStation to control access to calibration Understanding calibration Although most users needs are met by the default calibration set the Fiery 3850C allows you to choose a calibration set to customize calibration for specialized jobs Calibration allows you to Maximize the color reproduction capabilities of the Fie...

Страница 55: ...ensity values Calibration curves are the graphic equivalent of transfer functions which are mathematical descriptions of changes that will be made to the data you start with Transfer functions are often graphed as input or output curves The Fiery 3850C generates calibration curves after comparing measured values to the final target values for each of the four toner colors The target values are bas...

Страница 56: ...erent times it is especially important to calibrate before printing each batch You should also calibrate the Fiery 3850C after printer maintenance However because the printer may be less stable immediately after maintenance wait until you have printed approximately 50 pages before you calibrate NOTE Since printed output from the printer is very sensitive to changes in temperature and humidity the ...

Страница 57: ... select a calibration set in Calibrator the last calibration and the user who performed it are displayed Calibrating from the Control Panel using VisualCal VisualCal is a calibration method that allows you to calibrate your printer to a color output standard defined by the manufacturer The calibration calculations performed by the controller software are based on a series of values entered on the ...

Страница 58: ...alance is recalculated TO PERFORM VISUALCAL CALIBRATION 1 At the Idle screen press the Menu button to enter the Functions menu 2 Choose Calibration and choose Set Up Calibration If a password is set on the Fiery 3850C enter it and press OK 3 For Calibration Mode select Standard or Expert Expert Mode adds the option to print a Comparison Page see page 3 35 4 For Measurement Method chose VisualCal 5...

Страница 59: ...ues select YES from the APPLY CHANGES screen that appears and press OK to calibrate the printer based on the previously entered values 9 Choose Exit Calibration to return to the Functions menu Use the following suggestions for adjusting VisualCal for your specific preferences If your print seem to be color balanced but too dark enter a lower value for the 30 Match entry on the Limits and 30 Match ...

Страница 60: ...up and using the DPT41 see the Instrument Operator s Manual that came with it TO CONNECT THE X RITE 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 connection on the side of the X Rite DTP41 Instrument button LED indicat...

Страница 61: ...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 available port on your computer is 25 pin you must use the 8 pin to 25 pin adapter Square connector Unused connector Connect to computer Interface cable Connect to adapter ...

Страница 62: ...ctly into the serial port of the computer NOTE For Macintosh computers with a USB port for example an iMac you need an adapter to connect the DTP41 to your computer See the X Rite Inc web site www x rite com for information on supported adapters Unused connector Connect to serial port ...

Страница 63: ...ime you calibrate the Fiery 3850C You can initiate the calibration sequence in ColorWise Pro Tools Calibrator as part of the process of Fiery 3850C calibration The computer may also prompt you that it is necessary to calibrate the spectrophotometer Alternatively you can initiate the DTP41 calibration process using the Instrument button on the DTP41 See the Instrument Operator s Manual that accompa...

Страница 64: ...edges Keep the strip free of dust and smudges and always store it in the protective envelope TO CALIBRATE THE X RITE DTP41 1 Connect the spectrophotometer to the computer and turn on power see page 3 8 2 Launch ColorWise Pro Tools and connect to the Fiery 3850C For instructions on configuring the connection to the Fiery 3850C see Getting Started NOTE If the connection to the Fiery 3850C from Comma...

Страница 65: ... method This information is provided to Calibrator by the Fiery 3850C If this option does not appear make sure you are connected to the Fiery 3850C 5 Under Get Measurements click Measure 6 In the Measurement Options dialog box click Measure 7 Select the appropriate COM port for the DTP41 from the Available Ports menu ...

Страница 66: ...3 3 14 Color Calibration The Instructions field displays instructions for selecting the port 8 Click Utilities 9 Click Calibrate DTP 41 Instructions field Select port for the DTP41 ...

Страница 67: ...e not already done so 11 Insert the end of the Color Reflection Reference strip with the arrow into the calibration strip entrance on the DTP41 centering it below the alignment mark see the diagram on page 3 8 Insert the strip about 3 inches past the front idler rollers until it rests against the rear drive rollers 12 Click Read Reference The DTP41 will pull the calibration strip through automatic...

Страница 68: ...pts you When this dialog box appears click Calibrate Now and follow the instructions starting with step 9 on page 3 14 After calibrating the DTP41 calibrate the Fiery 3850C see page 3 16 Calibrating with ColorWise Pro Tools and DTP41 Using the ColorWise Pro Tools Calibrator application and the DTP41 Status field indicates DTP41 was calibrated successfully ...

Страница 69: ...e user at a time can use the Calibrator module An error message appears if you try to calibrate when another user is already using ColorWise Pro Tools to calibrate NOTE Before using ColorWise Pro Tools and the DTP41 to calibrate the Fiery 3850C follow the instructions on page 3 28 for calibrating the DTP41 spectrophotometer TO CALIBRATE THE FIERY 3850C USING THE DTP41 1 Launch ColorWise Pro Tools ...

Страница 70: ... For this calibration to take effect the calibration set must be associated with one or more output profiles The default calibration set is already associated with the default output profile so there is no need to make any new associations 5 Under Generate Measurement Page click Print 6 In the Print Options dialog box choose the Page Type Paper Size and Input Tray to use for the measurement page a...

Страница 71: ...ce 7 Retrieve the measurement page from the printer 8 Under Get Measurements click Measure The selected Page Type and Paper Size options appear 9 Click Measure 10 If necessary select the appropriate COM port for the DTP41 from the Available Ports pop up menu Print Options window for DTP41 calibration method ...

Страница 72: ...age into the DTP41 starting with the cyan strip Align the page in the measurement page slot of the DTP41 so the appropriate color column is centered below the alignment mark see the diagram on page 3 8 Insert the page about 3 inches past the front idler rollers until it rests against the rear drive rollers Instructions ...

Страница 73: ...ment process for the magenta yellow and black strips A check mark appears on the circle of the color just read and the Status field indicates that color was measured successfully You can use the Previous and Next buttons on the Measurements window to reverse or advance to another step in the measurement sequence to repeat a measurement Status field indicates color was measured successfully Previou...

Страница 74: ... 3 22 Color Calibration 14 When the Status field indicates that all four color strips have been read successfully click Accept Measurements 15 In the Measure dialog box click OK Click Accept Measurements ...

Страница 75: ...with ColorWise Pro Tools and DTP41 16 In the Calibrator dialog box click Apply to implement the new calibration set 17 In the Information dialog box click OK This completes the Fiery 3850C calibration process Click Apply ...

Страница 76: ...SUREMENTS 1 Launch ColorWise Pro Tools and click Calibrator 2 Click Restore Device 3 Click OK to restore the preset default calibration set print resolution setting NOTE Restore device applies only to the currently selected calibration set Click Restore Device ...

Страница 77: ...et it up for use with your computer For complete instructions on setting up the ED 100 see the documentation that is included with the instrument The following illustration shows the different components of the ED 100 Setting up the X Rite DTP32 densitometer Before you calibrate the Fiery 3850C using the X Rite DTP32 you need to connect configure and calibrate the densitometer to prepare for measu...

Страница 78: ...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 available port on your computer is 25 pin you must use the 8 pin to 25 pin adapter Square connector Square connector Unused connector Connect to computer Int...

Страница 79: ...omputer See the X Rite Inc web site www x rite com for information on supported adapters 4 Use the AC adapter to provide power Plug the small connector on the adapter cable into the side of the X Rite DTP32 and plug the adapter into a wall outlet 5 Turn on the computer 6 Calibrate the densitometer see below 7 Use ColorWise Pro Tools to calibrate the Fiery 3850C see page 3 29 Unused connector Conne...

Страница 80: ...Insert the arrow end of the X Rite Auto Cal Strip into the 35mm slot on the front of the X Rite DTP32 until it stops or the roller starts pulling the strip Reading appears momentarily followed by the density values and CALIBRATION OK The densitometer automatically returns to the MAIN MENU If UNRECOGNIZABLE STRIP appears repeat the process or try cleaning the strip see the X Rite DTP32 Operating Ma...

Страница 81: ...ifferences are noted in this chapter The windows and dialog boxes you see illustrated are the Windows version NOTE Changing the calibration has the potential to affect all jobs for all users so you may want to limit the number of people authorized to perform calibration An Administrator password can be set from the Fiery 3850C Control Panel to control access to calibration TO CALIBRATE THE PRINTER...

Страница 82: ... Print Settings choose the desired calibration set If there is more than one option choose the appropriate calibration set for the print resolution you use most often NOTE For this calibration to take effect the calibration set must be associated with one or more output profiles The default calibration set is already associated with the default output profile so there is no need to make any new as...

Страница 83: ... For Clicks Per Patch select how many measurements clicks of the measurement button on the EFI Densitometer 100 you want to use for each color patch up to three clicks per patch The average measurement is returned to the Fiery 3850C More than one measurement per patch results in a more accurate measurement of that patch but it takes more time If you select multiple clicks per patch it is a good id...

Страница 84: ...0 to take a reading You must click the button the number of times that you selected for Clicks Per Patch If you selected multiple clicks per patch it is a good idea to move the EFI Densitometer 100 slightly after each measurement while keeping it within the patch circle NOTE For more accurate measurement place a plain sheet of paper beneath the Measurement Page to block underlying colors from bein...

Страница 85: ...ze options you selected for the measurements page and click Measure Follow the directions in the dialog box that appears for feeding the measurement page through the X Rite DTP32 The Status field displays instructions for selecting the port and feeding the measurement page through the DTP32 four times once for each color strip ...

Страница 86: ...dow click Apply to implement the new calibration set 17 In the Information dialog box click OK This completes the calibration process TO RESTORE DEFAULT CALIBRATION MEASUREMENTS 1 Launch ColorWise Pro Tools and click Calibrator 2 Click Restore Device 3 Click OK to restore the preset default calibration set NOTE Restore device applies only to the currently selected calibration set ...

Страница 87: ...ements with any profile associated with the currently selected calibration set You can also create a custom comparison page and save it as a PostScript or an Encapsulated PostScript EPS file called CALIB PS Then you can print the file to the Hold Queue of the Fiery 3850C from your application or download it to the Hold Queue with Command WorkStation In addition you can create the CALIB PS file by ...

Страница 88: ... the same target an additional menu called Plot Against appears in the upper right of the window above It lists all output profiles that use the same calibration set Selecting an output profile from this menu displays the target curves associated with that profile If each output profile contains a unique calibration target when you switch profiles the curves displayed also change Output profile na...

Страница 89: ... Fiery 3850C from Command WorkStation that also allows for access to ColorWise Pro Tools is not established you can directly launch ColorWise Pro Tools independently of Command WorkStation Profile Manager Profile Manager allows you to manage and edit ICC profiles In the case of the Fiery 3850C these profiles are divided into RGB Source Simulation and Output profiles RGB Source contains all monitor...

Страница 90: ...ate additional profiles as needed by modifying the existing ones You can also download profiles listed below from any workstation to the Fiery 3850C RGB Source sRGB PC source color space for a generic Windows computer monitor Apple Standard standard source color space for Mac OS computer monitors with older versions of ColorSync EFIRGB preset default setting for a Fiery 3850C Simulation SWOP Coate...

Страница 91: ... of your computer The right side lists each of the three types of profiles on the Fiery 3850C The lock icon to the left of a profile name indicates that the profiles cannot be deleted and can be edited only if it is saved under a new name Only Simulation and Output profiles can be edited A small icon to the left of a profile name indicates the default profile for each category RGB Source Simulatio...

Страница 92: ...ption is set to None If no default profile is set for Simulation the CMYK Simulation print option is set to None For more information on print options see Chapter 1 The Output profile always has a default profile You can change the Output default by selecting a preset profile you want as the default and clicking Profile Settings Or you can create a new default under a new name by selecting a prese...

Страница 93: ...nt System32 Color For Mac OS the default directory is System Folder Preferences ColorSync Profiles for ColorSync 2 0 and System Folder ColorSync Profiles for ColorSync 2 5 or later 2 If the profile you want does not appear click Browse to go to a different directory 3 Browse to the directory containing the profile you want to download and click OK 4 When the profile you want to download appears in...

Страница 94: ...download that profile as a Simulation If you have a custom profile of the printer your Fiery 3850C is connected to download that profile as an Output profile 5 Click the arrow to download the profile and click OK when the download is complete The new profile now appears on the list of profiles on the right side of the Profile Manager main window This profile must be associated with one of the pred...

Страница 95: ... 3 Click the green arrow choose a name and location for the profile and click Save The name will be the file name of the profile but the profile description will be the original description or the one you entered in the Profile Settings dialog box NOTE When saving the profile on a Windows computer be sure to include the extension icm If the extension is not included additional dialog boxes appear ...

Страница 96: ...files page 4 3 There are 10 names available for custom profiles Source 1 through 10 for RGB Source Simulation 1 through Simulation 10 for Simulation or Output 1 through Output 10 for Output NOTE A custom simulation profile is used to illustrate this procedure The same steps apply for defining custom or downloaded output profiles TO DEFINE A PROFILE 1 Launch ColorWise Pro Tools and click Profile Ma...

Страница 97: ...om names would be Output 1 through Output 10 NOTE While you cannot delete a preset profile you can use the name of a preset profile name for your edited profile when you select the Appear in Driver as option This replaces the preset profile with your own profile When you choose Profile Settings for an output profile the Use Calibration Set option also appears You must calibrate the Fiery 3850C wit...

Страница 98: ...the CMYK Simulation option of the printer driver applies the DIC new simulation to the print job If you do not define a custom simulation profile your job will print with CMYK Simulation Profile set to None If you do not define a custom RGB Source or Output profile the default profile is used DIC new will appear in driver as Simulation 1 ...

Страница 99: ...bration target in this window but you can import a new target see page 3 2 Color Editor also has these 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 output profile With CRD Create custom linked simulations Linked...

Страница 100: ...ls and click Color Editor 2 Choose Simulation or Output from the View pop up menu Simulation lists the simulation profiles resident on the Fiery 3850C and Output lists the output profiles resident on the Fiery 3850C 3 Choose a profile to edit and click Select NOTE You can also open the Profile Manager select a profile and click Edit ...

Страница 101: ...tput values NOTE When you edit an output profile in Custom mode the Import button at the bottom of the Color Editor window lets you import a calibration target file trg created on another Fiery using the previous version of ColorWise The current version of ColorWise does not allow you to save a target separately rather it saves the target in conjunction with an output profile Eye icons indicate cy...

Страница 102: ...only one or two colors at a time helps you fine tune your adjustments To turn off a color click its eye icon In the example below cyan and magenta are visible and can be edited 6 Click Dot Gain to adjust the dot gain value for simulating press output Choose either the North American or European standard Then use the sliders to select the desired Dot Gain The range of values for North American at 5...

Страница 103: ...u can adjust the curves directly by clicking and dragging points on the curve or by entering numbers into the input and output boxes The graph maps the input percentage to the output percentage These percentages refer to the size of the CMYK halftone dots The curve you selected appears and points along the curve are marked so you can adjust them NOTE You should adjust points in this way only after...

Страница 104: ...are locked and must be saved with a new name Custom profiles must be linked to one of the 10 predefined custom profile names Simulation 1 through Simulation 10 for Simulation or Output 1 through Output 10 for Output in order to be accessible from the printer driver You can create as many custom profiles as you want but a maximum of 10 are available from the printer driver at any one time See Defin...

Страница 105: ...to undo edits and click Select Color Editor or Edit Profile Manager 3 Choose the output profile with which your unwanted edits are linked from the Link with menu 4 Click Revert to Master NOTE Revert to Master makes the curves for one or more linked simulations match the last saved master simulation If you have edited and saved changes to a master simulation your linked simulations will revert to t...

Страница 106: ...ted profiles You can view a printed sample of a profile before you save it to the Fiery 3850C To do so print one of the following Comparison Page provided with ColorWise Pro Tools which shows a comparison of images and colored patches with and without edits User defined CALIB PS in the Hold Queue You can create a custom comparison page and save it as a PostScript or Encapsulated PostScript EPS fil...

Страница 107: ...or Setup allows you to configure the default color management settings for the Fiery 3850C These settings are applied to all print jobs sent to the Fiery 3850C unless a user overrides them for an individual job by changing settings in the printer driver These default settings can also be overridden using Command WorkStation or Fiery WebSpooler Color Setup maintains a connection to the Fiery 3850C ...

Страница 108: ...appears Other options are selected by selecting a checkbox next to the option name Once you have made your changes you must click OK or Apply for the changes to take effect Clicking OK sets the new defaults and closes the Color Setup window Clicking Apply sets the new defaults and keeps the Color Setup window open Clicking Cancel closes the Color Setup window without applying any changes to the de...

Страница 109: ...ch as presentation software spreadsheets and word processing programs use the RGB color model They typically transmit only RGB data to the print device Illustration applications use both the RGB and CMYK color models but typically transmit only CMYK data to the print device Pixel editing applications use both the RGB and CMYK color models They also transmit both RGB and CMYK data to the print devi...

Страница 110: ...the color reference pages when defining the colors in your document RGB Color Reference a Microsoft Word file and a Microsoft PowerPoint file that let you view the colors available in the standard palettes of office applications and see how those colors print on the Fiery 3850C see page 5 4 CMYK Color Reference an 11 page downloadable PostScript file of CMYK color patches see page 5 6 PANTONE Coat...

Страница 111: ...some allow you to add new colors to the palette using a color picker Although some applications allow you to specify color using the CMY HSL and HSV color models these applications always send RGB color data to the Fiery 3850C An exception to this is a CMYK EPS file placed in the document which is sent as CMYK data When working with color in office applications keep in mind that The range of color...

Страница 112: ...r software Print these files using different CRDs to see how the colors appear when printed to the Fiery 3850C For best results print the color reference page using the same print options you plan to use for your final document Select the colors you want to use from the printed version of the RGB color reference page and then use those colors in your document RGB Color Reference Microsoft PowerPoi...

Страница 113: ...pecial color management settings in the application In addition some PostScript applications that allow you to define colors in RGB or other color models can also send data to the Fiery 3850C in those color spaces Color controls in PostScript applications are typically designed for printing on an offset press and some adjustments are required for printing to the Fiery 3850C Displayed versions of c...

Страница 114: ... you see how various cyan magenta yellow and black combinations look when printed on your printer To print the CMYK Color Reference download the file to the Fiery 3850C The printed pages display groups of color patches in graduated combinations of yellow magenta and cyan and smaller patches that include 25 50 and 75 black Refer to these pages to pick colors and specify process color values in your...

Страница 115: ...ou want to use for printing the PANTONE colors download the file to the Hold queue Then use Fiery WebSpooler or Command WorkStation to override the Spot Color Matching setting Default output profile The default output profile consists of both a profile for your printer describing its color characteristics and a calibration target that describes the expected behavior of the printer at a particular ...

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Страница 117: ... colors is to define them in EPS files with an illustration or page layout application and then place these files into office documents Colors in EPS files are preserved until they reach the Fiery 3850C assuming no PostScript Color Management information was included Office applications lack finesse when displaying EPS files so use these files only if RGB colors are not practical in your specific ...

Страница 118: ...and import it into the document Selecting options when printing There are few differences among office applications with regard to Fiery 3850C printing The instructions in this chapter apply to all office applications Use the instructions in Chapter 1 to specify print options and color management settings To specify these options you must use a PostScript Level 2 or later printer driver such as an...

Страница 119: ...es to use when working with RGB and CMYK documents ICC color profiles describe the gamut and color characteristics of these working spaces Color Management Policies Photoshop 6 x or Profile Mismatch Handling Photoshop 5 x Instructions that tell Photoshop what to do when it encounters color data from a color space other than the specified working space Photoshop 6 x color settings Photoshop 6 x use...

Страница 120: ...77 2 Adobe Photoshop TO SPECIFY COLOR SETTINGS FOR PHOTOSHOP 6 X 1 Choose Color Settings from the Edit menu 2 Select Advanced Mode In Advanced Mode a more extensive list of options is displayed ...

Страница 121: ...es the printer connected to the Fiery 3850C To use a device specific output profile you must first upload the profile from the Fiery 3850C to your computer New CMYK documents you create in Photoshop will use the specified working space For guidelines on specifying Gray and Spot working spaces see your Photoshop 6 x documentation 4 In the Color Management Policies area choose policies for handling ...

Страница 122: ...your saved settings at any time by choosing the group name from the Settings menu at the top of the Color Settings dialog box Photoshop 5 x Because Photoshop 5 x uses a sophisticated color management system there are several setup steps you should take before you begin working These steps include Calibrating your monitor Adjusting Photoshop color settings Setting ColorSync defaults Mac OS only For...

Страница 123: ...customize ICC profiles for your monitor Photoshop properly displays images on your monitor by compensating between your chosen working space see the following section on RGB Setup and the description of your monitor defined by its profile If you do not create a profile in the Adobe Gamma control panel that corresponds to your monitor you may encounter poor monitor to print matching NOTE If a profi...

Страница 124: ...dobe Gamma control panel by double clicking its icon in either the Windows or Mac OS Control Panel If you have not yet selected your monitor profile or want to customize your current profile click the Assistant Wizard on Windows button ...

Страница 125: ...en Opening from the RGB and CMYK menus When you open files that do not contain an ICC profile you can convert the file to your current Photoshop working space setting or leave the file unconverted the preferred choice but make sure the current Photoshop working space setting matches the intended color space of the image In the Profile Mismatch Handling area choose Ask When Opening from the RGB and...

Страница 126: ...g If you create new RGB files or you want to standardize your RGB files choose EFIRGB Click Load if the file is not visible in the RGB pop up menu You can load the Calibrated RGB setup file EFIRGB ICC ColorSync file or EFIRGB ICM file All describe the same RGB space and automatically set the Gamma White Point and Primaries You may consider sRGB if you usually view images on a generic PC monitor or...

Страница 127: ...et press such as SWOP Office users should choose the ICC profile describing the printer connected to the Fiery 3850C In this case we recommend you leave images in RGB and allow the Fiery 3850C to convert them to CMYK However if you want to use Photoshop to convert RGB images to the CMYK color space of the Fiery 3850C you must first upload one of the output profiles from the Fiery 3850C to your com...

Страница 128: ...tem Folder ColorSync Profiles From the Apple menu choose Control Panel ColorSync Use the following settings System Profile choose the customized ICC profile for your monitor Set up the Adobe Gamma profile to ensure that your monitor profile is present Mac OS only RGB default choose the same RGB working color space you set in Photoshop 5 x NOTE The System Profile is the same one used in your monito...

Страница 129: ...ropping and resizing needed This speeds processing when printing from the application in which the image is placed We recommend you use EPS or TIFF file formats to save RGB images that will be imported into other documents and printed to the Fiery 3850C You can import EPS and TIFF files into virtually all page layout applications NOTE Although TIFF files display better when imported into other app...

Страница 130: ...rt to a binary version If you experience problems printing the document in which you place the image substitute an ASCII version of the same image and print the document again Binary encoding is much more compact than ASCII encoding but occasionally causes printing problems with some system configurations Advanced tips for using PostScript color management Use the following information to implemen...

Страница 131: ... Color Management If you select the Photoshop PostScript Color Management option when you save a CMYK EPS image Photoshop embeds PostScript color information that defines the CMYK source color space of the image When you print a CMYK EPS file that contains PostScript color information to the Fiery 3850C CRDs are used instead of ColorWise CMYK Simulation setting Make sure to choose the appropriate ...

Страница 132: ...color space before sending it to the Fiery 3850C With the AdobePS printer driver for Mac OS these options appear in the Adobe Photoshop pane of the Print dialog box Printing CMYK images Use the following instructions to print CMYK images Do not select PostScript Color Management Choose RGB Color as the color space Choose an encoding method Choose CMYK Color as the color space Choose an encoding me...

Страница 133: ...GB images with Photoshop PostScript Color Management If you select an RGB color space and decide to use PostScript Color Management from the Photoshop pane of the printer driver Photoshop sends RGB data to the Fiery 3850C along with PostScript color information defining this RGB color space Remember that when you select PostScript Color Management a CRD will be used to perform color conversions to...

Страница 134: ...ace of the selected output profile The Spot Color Matching setting has no effect because Photoshop converts PANTONE colors to CMYK values when you work in CMYK mode If the image was separated for an offset press standard apply the corresponding CMYK Simulation setting For example if the image is separated for SWOP choose SWOP as the CMYK Simulation setting If Photoshop is configured for a custom s...

Страница 135: ...1 5 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 color library in Photoshop For best results use the color definition methods described in Chapter 5 Saving files for importing into other documents Before saving an RGB EPS file check the Photoshop Monitor Setup This setting defines t...

Страница 136: ...printing the document in which you place the image substitute an ASCII encoded version of the same image and print the document again Binary encoding is much more compact than ASCII encoding but can cause printing problems with some system configurations If you choose JPEG encoding save a backup of the original image with binary encoding until you have seen the printed results of the JPEG encoded ...

Страница 137: ...u print CMYK images you can print composites or color separations NOTE You can not use the Combine Separations feature of the Fiery 3850C to recombine separations printed from Photoshop Printing RGB images Use the following instructions to print RGB images Choose whether to print in RGB or CMYK With the AdobePS printer driver for Mac OS these options appear in the Adobe Photoshop pane of the Print...

Страница 138: ...tandard choose None as the CMYK Simulation setting or choose the corresponding custom simulation profile on the Fiery 3850C if one has been downloaded with the Profile Manager For more information on the Profile Manager and ColorWise Pro Tools see Chapter 4 NOTE If you choose JPEG encoding save a backup of the original image with binary encoding until you see the printed results of the JPEG encode...

Страница 139: ...e is separated for SWOP choose SWOP as the CMYK Simulation setting If you apply a CMYK Simulation setting other than None to the job choose Color Proofing Photo or Color Proofing Solid for the Rendering Style setting see page 1 4 If the image was separated using a custom separation not a press standard choose None as the CMYK Simulation setting or choose the corresponding custom simulation profile...

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Страница 141: ... affect only RGB data usually do not affect colors defined in page layout applications For predictable results with CMYK colors use the CMYK Color Reference when defining colors in page layout applications See Choosing colors in PostScript applications on page 5 5 NOTE If the application allows you to define colors in RGB you should determine whether it converts the RGB data to CMYK before sending...

Страница 142: ...ion of the image and sends CMYK data to the Fiery 3850C NOTE To take advantage of RGB Source and Rendering Style settings for images imported into QuarkXPress 4 02 either save images in the EPS format or use the Quark PrintRGB XTension which outputs RGB TIFF image files without converting them to CMYK Tips for advanced users If you place multiple RGB images some non photographic and some photograp...

Страница 143: ... the Fiery 3850C NOTE To achieve the workflow described above the profile used for the separation of CMYK images in the document should also reside on the Fiery 3850C For more information on downloading CMYK Simulation profiles to the Fiery 3850C with ColorWise Pro Tools see Chapter 4 Adobe PageMaker 7 x and 6 5 for Mac OS and Windows The Mac OS and Windows versions of PageMaker 7 x and 6 5 are es...

Страница 144: ...py of the Fiery 3850C PPD file is in the following folders PM65 RSRC USENGLSH PPD4 Windows System Importing images All RGB images placed in a document are affected by your RGB Source and Rendering Style settings For best results with placed images use the instructions in Importing images on page 8 2 and CMYK simulation on page 8 3 Selecting options when printing All print settings are specified fr...

Страница 145: ...om the PPD menu in the Print Document dialog box 2 Click Options 3 Choose Normal from the Send image data menu in the Print Options dialog box and click Features To ensure that TIFF images print at their full resolution do not choose the Optimized Subsampling default from the Send image data menu Choose the Fiery 3850C PPD Click Options ...

Страница 146: ...aker If you have additional color management requirements not offered by ColorWise such as managing color on non Fiery 3850C devices consider using the PageMaker color management features For more information see your PageMaker documentation QuarkXPress 4 x for Mac OS and Windows If you have additional color management requirements not offered by ColorWise consider using Quark CMS XTension for Qua...

Страница 147: ...or use Quark PrintRGB XTension QuarkXPress 4 02 converts all RGB data into CMYK even when Quark CMS XTension is disabled Only RGB images saved in EPS format are affected by RGB Source and Rendering Style settings For best results with placed images use the instructions in Importing images on page 8 2 and CMYK simulation on page 8 3 Selecting options when printing You can select the print options t...

Страница 148: ...For more information see your QuarkXPress documentation QuarkXPress 3 32 for Mac OS and Windows Before starting QuarkXPress 3 32 make sure the EfiColor XTension is not loaded in the XTensions folder EFICOLOR profiles are not currently provided with Fiery 3850C products Without the correct EFICOLOR profile the EfiColor XTension cannot perform color conversions on placed images Windows version requi...

Страница 149: ...settings For best results with placed images use the instructions in Importing images on page 8 2 and CMYK simulation on page 8 3 Selecting options when printing Select the Fiery 3850C PPD from the Printer Type menu in the Page Setup Mac OS or Printer Setup Windows dialog box Choose an output paper size Choose the Fiery 3850C PPD Mac OS Choose Binary ...

Страница 150: ...l 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 For instructions on specifying print options see Chapter 1 Choose the Fiery 3850C PPD Windows Choose an output paper size Choose Binary ...

Страница 151: ...n illustration application Defining colors All illustration applications use the CMYK color model While some also allow you to define colors using other color models they all send CMYK data to the Fiery 3850C Consequently the RGB Source and Rendering Style settings in the PPD do not affect all colors printed from illustration applications For predictable results with CMYK colors use the CMYK Color...

Страница 152: ...ass the CRD altogether To accomplish this separate the image to CMYK data with a pixel editing application such as Photoshop and perform color correction Save the image as an EPS or TIFF file and import it into the document Or save the RGB image in TIFF format and assign it an ICC profile and rendering intent when you import it into the document see the individual application notes in this chapter...

Страница 153: ...r management system that can handle both RGB and CMYK 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 Illustrator 9 x These color settings include Working spaces Default color spaces to use when working with RGB and CMYK documents ICC color profiles describe the gamut and color characteris...

Страница 154: ...his profile represents the default RGB color space used by the Fiery 3850C New RGB documents you create in Illustrator will use this working space For CMYK choose a profile that describes your target press such as SWOP if you are a prepress user If you are an office user printing final output choose an output profile that describes the printer connected to the Fiery 3850C To use a device specific ...

Страница 155: ...or data 5 Choose settings for converting between color spaces in the Conversion Options area 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 Select the Use Black Poi...

Страница 156: ... the PPD For best results with placed images use the instructions in Importing images on page 9 2 and CMYK simulation on page 9 2 If you have additional color management requirements not offered by ColorWise such as managing color on devices not controlled by the Fiery 3850C you may want to consider using the Illustrator color management features For more information see your Illustrator documenta...

Страница 157: ...7 Adobe Illustrator for Windows and Mac OS Choose Level 2 or 3 from the PostScript menu Windows Choose Composite Choose PostScript Level 2 or 3 Click Properties to set print options Select the printer name ...

Страница 158: ...K document containing placed RGB images or an RGB document in Illustrator 9 x In all other cases colors remain unaffected by the settings 5 If the document contains PANTONE named colors choose the appropriate Spot Color Matching setting Saving files for importing into other documents When saving files in Illustrator 9 x or 8 x for importing into other types of documents use the EPS file format Ill...

Страница 159: ...section applies to both the Windows and Mac OS versions of FreeHand 9 x and 8 x Only Mac OS dialog boxes are shown but the information and instructions are identical for the Windows version FreeHand color settings When using ColorWise color management turn off FreeHand color management features TO DISABLE COLOR MANAGEMENT IN FREEHAND 9 X OR 8 X 1 Choose Preferences from the File menu 2 Click the C...

Страница 160: ...editable paths For details see your FreeHand documentation When you import an EPS image into a document FreeHand inserts a link to the image rather than embedding the original file resulting in a smaller file size If the image is a CMYK EPS file the colors print just as they would from the originating application NOTE Before placing a CMYK EPS file be sure the file was saved with Desktop Color Sep...

Страница 161: ...0C is not displayed click the button labeled and choose the appropriate PPD from the menu that appears 3 To use ColorWise color management features clear the Convert RGB to process option in the File Output Options dialog box If this option is selected FreeHand color management settings are used to convert RGB colors and RGB TIFF PICT and JPEG images to CMYK Click to select a PPD PPD name appears ...

Страница 162: ...ile 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 Optional color management in FreeHand If you have additional color management requirements not offered by ColorWise such as managing color on devices not controlled by the Fiery 3850C you may want to consider using the FreeHand color management features For ...

Страница 163: ...ting options when printing On Windows computers in the Print dialog box under the General tab make sure the correct printer and PPD are selected and select the Use PPD check box Click Properties to specify Fiery 3850C print options On Mac OS computers click the Printer button in the General Print dialog box to select the printer and print options To use Fiery 3850C color management make sure the U...

Страница 164: ...tion 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 In the case of CorelDRAW files imported into Photoshop however vector data from the CorelDRAW 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 Photos...

Страница 165: ...tion and brightness when you work with color in applications others provide useful background information Color is a complex topic so consider this a starting point for experimentation and further research The physics of color The human eye can see electromagnetic radiation at wavelengths between 400 nanometers purplish blue and 700 nanometers red This range is called the visible spectrum of light...

Страница 166: ...n the communication of color information This color space is based on research on the nature of color perception The CIE chromaticity diagram color example 2 is a two dimensional model of color vision The arc around the top of the horseshoe encompasses the pure or spectral colors from blue violet to red Although the CIE chromaticity diagram is not perceptually uniform some areas of the diagram see...

Страница 167: ...reate other colors There are two methods for creating a range of colors from a set of primary colors Computer monitors and scanners are based on the additive color model Printing technologies including the Fiery 3850C and offset presses are based on the subtractive color model Additive RGB color Color devices that use the additive color model make a range of colors by combining varying amounts of ...

Страница 168: ...absorb green and blue light respectively White occurs when no colorant is applied Combining all three subtractive primaries in theory yields black but due to deficiencies of cyan magenta and yellow colorants combining these three primaries actually yields a muddy brown Black colorant is added to compensate for the deficiencies of cyan magenta and yellow colorants Consequently color printing uses f...

Страница 169: ... computers are output to an imagesetter which creates film separations The film is used to make a prepress proof which is an accurate predictor of the final print job and allows you to make corrections before going to press Once the proof is approved the printer makes plates from the film and runs the print job on the press With a Fiery 3850C you simply print the file The Fiery 3850C processes the...

Страница 170: ...r printing is done exclusively on the Fiery 3850C you will encounter concepts from offset printing if you use high end graphics applications For example color controls in illustration applications such as Illustrator are geared toward specifying color for offset printing using process and spot colors Many applications allow you to specify the screening used for each printing plate Using color effe...

Страница 171: ...ar when seen side by side Colors opposite one another on the wheel are called complements color example 9a 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 Other bold combinations to consider are split complements a color and the two colors adjacent to its complement c...

Страница 172: ... created from primary complements especially red and cyan or red and blue they are visually fatiguing and hard to read Color text is more legible when distinguished from its background by a difference in lightness for example dark blue text on a light beige background In addition using many different colors in a string of text makes for a confused appearance and is hard to read However using a sin...

Страница 173: ... images require 8 bits per pixel For photographic quality color 24 bits of RGB color information are required per pixel yielding 256 levels of red green and blue For CMYK images 32 bits per pixel are required When printing raster artwork the quality of the output depends on the resolution of the source raster If the raster resolution is too low individual pixels become visible in the printed outpu...

Страница 174: ...eyond a certain threshold a higher image resolution greatly increases file size while having a minimal effect on output quality The optimal image resolution depends on the resolution of the final print device Aim for the resolution that optimizes both file size and output quality The resolution of a raster image along with its bit depth and physical dimensions determine its file size The following...

Страница 175: ...and save versions at progressively lower resolutions down to 100 ppi using a pixel editing application such as Photoshop Always save a copy of the original high resolution version in case you need to revert to it The high resolution data cannot be recreated from a lower resolution version Print the files and examine the output You will likely begin to see a marked deterioration in output quality a...

Страница 176: ... size If you scale a large image down to a percentage of its actual size you incur unnecessary file transfer time because the image data for the entire large image is sent to the printer If an image is placed multiple times at markedly different sizes in a document save a separate version of the image at the correct size for each placement If you need to place an image at greater than 100 in a doc...

Страница 177: ...850C you want to preserve the vivid colors you see on your monitor If you are working with color that will be printed on an offset press you want the Fiery 3850C output to match other prepress proofs or PANTONE color swatch books The type of print job and the final print device Fiery 3850C or offset press determine the methodology you use to achieve the best results No matter what your goals are t...

Страница 178: ...Save the prints and show them to the service technician whenever output densities vary from the norm or other problems appear Print device 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 Th...

Страница 179: ...Windows 98 Me and Windows 2000 computers in Image Color Matching ICM and on Mac OS computers in ColorSync More and more software developers are also incorporating color management systems into high end applications The Fiery 3850C color management system ColorWise supports this industry standard profile format A color management system or CMS is a translator between the color space of the source i...

Страница 180: ...olor space to translate between the source color space and the color space of the output device The Fiery 3850C allows you to specify default and override settings for the source color space information and the output profile information see page 1 1 When you use these settings you do not need to use the features of other color management systems Your Fiery 3850C software includes ICC profiles for...

Страница 181: ... value Comments may be on any line in the file and these lines start with a pound sign followed by a space A line with a pound sign followed by any character other than a space has been reserved Comments must be on an entire line by themselves Each line of data contains five values The first number is the sequential patch number for EFI 34 and EFI 21 pages or the ink value percentage for other pag...

Страница 182: ... 0700 0 0800 0 0700 3 0 1000 0 1000 0 1000 0 1000 more data 33 1 6700 1 3400 0 8900 1 6700 34 1 7200 1 4300 0 9300 1 7500 Example of 1D Status T density for EFI 21 patch page This file format is used to specify the Status T density measurements of the EFI 21 patch page The value in the first column is the patch number The first patch must be 1 and the last must be 21 EFI 3 EFI ColorWise 2 0 Data t...

Страница 183: ...t column is the ink toner percentage of the patch The first percentage must be 0 and the last percentage must be 100 The percentages must increase in between EFI 3 EFI ColorWise 2 0 Data type 1DST percnt Cyan Magent Yellow Black 0 0000 0 0300 0 0400 0 0200 0 0400 0 3922 0 0600 0 0700 0 0800 0 0700 1 1765 0 1000 0 1000 0 1000 0 1000 more data 98 0000 1 6700 1 3400 0 8900 1 6700 100 0000 1 7200 1 43...

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Страница 185: ...its per pixel CMYK images bitmap An image comprised of small squares arranged in a grid Each square in the grid is a pixel The number of pixels per inch defines the resolution of a bitmap blasting An undesirable effect that occurs when excess amounts of toner possibly combined with certain types of paper stock cause objects in an image to spread beyond its boundaries as defined in the file BMP A g...

Страница 186: ... both casual and experienced color management users composite printer Any output device that can print directly in color without first creating color separations A composite print can be used as an early proof of an offset print job continuous tone contone Describes a photographic image that contains gradient tones from black to white such as a 35mm transparency or a photograph Continuous tones ca...

Страница 187: ...ostScript stream Euroscale A European standard of specifications for separations proofs and color printing flexography A printing technology that uses flexible raised image plates Flexography can be used to print on non flat materials such as cans four color printer A printing device that uses cyan magenta yellow and black ink or toner gamma A numeric value representing the relationship gamma curv...

Страница 188: ...try standard color profile format developed by the International Color Consortium ICC that describes the color capabilities including the gamut of a color device based on the differences between an ideal and the current device The ideal is often provided by the manufacturer as a color reference file ICC profiles are implemented on Mac OS computers in ColorSync and on Windows 95 98 Windows NT 4 0 a...

Страница 189: ...nd blue light when struck by an electron beam thus creating an image photographic rendering A color rendering style that preserves tonal relationships in images Unprintable colors are mapped to printable colors in a way that retains differences in lightness sacrificing color accuracy as necessary pixel The smallest distinct element of a raster image The term is a combination of the words picture a...

Страница 190: ...r of pixels per inch ppi in a bitmap image or the number of dots per inch dpi that a device can render RGB An additive color model that makes a range of colors by combining red green and blue light called the additive primaries Commonly used to refer to the color space mixing system or monitor in color computer graphics simulation profile The simulation profile describes the color characteristics ...

Страница 191: ...ors Black is added to the subtractive primaries to compensate for deficiencies of the toners or inks and for more efficient black printing substrate In printing the material upon which the job is printed SWOP The abbreviation for Specifications for Web Offset Publications A standard of specifications for separations proofs and color printing on a web offset press not a sheet fed press undercolor r...

Страница 192: ...kflow 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 same device or on press ...

Страница 193: ...l Understanding Desktop Color Second Edition Berkeley Peachpit Press 1994 Margulis Dan Professional Photoshop Color Correction Retouching and Image Manipulation with Adobe Photoshop John Wiley Sons 1995 Miller Marc D and Zaucha Randy The Color Mac Second Edition Hayden Books 1995 X Rite Color Guide and Glossary Communication Measurement and Control for Digital Imaging and Graphic Arts X Rite Incor...

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Страница 195: ...1 measurements 3 1 3 2 3 3 3 35 overview 3 1 to 3 5 scheduling 3 4 targets 3 1 3 2 3 3 VisualCal 3 7 see also densitometer ColorWise Pro Tools see also spectrophotometer ColorWise Pro Tools calibration patch page 3 3 charts using color in A 7 CIE chromaticity diagram A 2 A 3 color model A 2 CIELAB color space B 3 CMY color model 5 3 CMYK Color Reference 5 2 5 6 CMYK Simulation Profile option 1 3 1...

Страница 196: ... 3 36 Commission Internationale de l Eclairage see CIE Comparison Page 3 35 complements color A 7 compression JPEG 7 12 7 15 7 18 7 20 computer monitors see monitors Configuration page calibration status 3 5 continuous tone devices A 6 Contrast ICC rendering style 1 4 Control Panel calibration from 3 2 3 17 3 29 CorelDRAW 9 12 CRDs bypassing 6 2 8 2 9 2 PostScript color matching 1 17 rendering int...

Страница 197: ...B 2 International Color Consortium see ICC J JPEG 7 12 7 15 7 18 7 20 L light A 1 to A 2 line art see vector images M Macintosh interface cable 3 10 3 27 Mac OS printer driver 1 16 Macromedia FreeHand see FreeHand maintenance of print devices B 2 measurements file 3 3 3 35 metamerism A 2 Microsoft Excel see Microsoft Office Microsoft Office 6 1 to 6 2 Microsoft PowerPoint see Microsoft Office Micr...

Страница 198: ...s appropriate for 1 4 using color in A 7 Presentation rendering style 1 4 press simulation see CMYK Simulation option print devices consistency B 1 gamut B 1 maintenance B 2 printing test prints B 2 printer recalibrating color output 3 5 printer drivers Mac OS 1 16 Windows 1 12 to 1 16 printing calibration pages 3 5 raster images A 9 techniques A 5 prism A 1 process colors 5 6 A 4 A 6 profiles dev...

Страница 199: ...t A 1 swatch color matching 5 6 T targets 3 3 Test Page calibration status 3 5 examining 3 5 test prints B 2 text font size A 8 using color with A 8 TIFF images assigning ICC profiles to 8 2 preview 7 12 7 18 printing at full resolution 8 5 recommended for imported images 7 11 7 18 8 2 RGB 9 2 tint A 3 toner B 2 transfer functions 3 3 transparencies photographic A 4 B 2 triads A 7 V vector images ...

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