OKI C8800dn User Manual
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C8800 User’s Guide191 Basics There are three methods by whic h your document’s color can be managed and adjusted: 1. Application Color Management Some graphics and desktop publishing programs such as Adobe Photoshop, Adobe Illustrator, and Quark Xpress have their own built-in color management systems. Most applications do not have these color management features and rely instead on the printer or operating system. 2. Operating System Color Management Windows 98, Me, 2000 and XP have Windows ICM color Management. Mac OS and Mac OS X have Apple ColorSync. 3. Printer Color Management When you print your document and modify settings in the printer driver, the printer performs color adjustments. Important! Only use one color management system if you want the best results from your printer. If you wish to use your prin ter’s color management system, ensure that your applicatio n or operating system color management is switched off. Applying color management in multiple places will give unpredictable results. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide192 What this guide describes This user guide only discusses the printer color management system. If you wish to learn more about your application program or operating system color management, please see the documentation that was supplied with your application software or computer. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide193 Color Matching ____________________ Background Information NOTE: Most applications allow th e printer properties to be accessed from within the document print dialog box. Application settings ov erride driver settings. Driver settings override printer menu settings. Color reproduction is a complex topic. This background information expl ains the factors that affect color matching. Background information is divided into these sections: 1. Factors that Affect Color Printing: see page 194 2. Choosing a Color Matching Method: see page 200 3. Printing Vivid Colors: see page 204 4. Color Settings: see page 205 5. Hue, Brightness, and Saturation: see page 207 Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide194 Factors that Affect Color Printing There are many factors that affect color printing. Some of the most important factors are: •the differences between the range of colors a monitor can reproduce versus the rang e of colors that a printer can reproduce. See page 195. • monitor settings. See page 196. • color settings in your software application. See page 197 . • how your software application displays color. See page 197 . • color settings in your printer driver. See page 198. • viewing (lighting) conditions. See page 199. • paper type. See page 199 . Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide195 Factors that Affect Color Printing Monitor Colors vs. Printer Colors Differences between the range of colors a monitor or printer can reproduce Neither a printer nor a monitor ca n reproduce the full range of colors seen by the human eye. Each device is limited to a certain range of colors. •A printer cannot reproduce all of the colors displayed on a monitor. • A monitor cannot reproduce all of the colors printed by a printer. Both devices use very different technologies to represent color. •A monitor uses Red, Green and Blue (RGB) phosphors (or LCDs). • A printer uses Cyan, Yellow, Magenta and Black (CMYK) toner or ink. Very vivid colors (such as intense reds and blues) can be displayed on a monitor. These sa me colors cannot be easily produced on any printer using toner or ink. There are certain colors (for example, some yellows), that can be printed, but cannot be disp layed accurately on a monitor. These differences between monitor colors and printer colors are the main reasons why printed colors do not always match the colors displayed on screen. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide196 Factors that Affect Color Printing Monitor Settings The brightness and contrast controls on your monitor can change how your document looks on-screen. Your monitor color temperature al so influences how warm or cool the colors look. NOTE: Several of the Color Matching options make reference to your monitor’s Color Temperature. Many monitors allow you to adjust the color temperature through their control panels. There are several settings found on a typical monitor: 5000k * or D50 Warmest; yellowish lighting. Typically used in grap hics arts environments. 6500k * or D65 Cooler Approximates daylight conditions. 9300k * Cool The default setting for many monitors and television sets. *k = degrees Kelvin, a measurement of temperature Macintosh OS 10.1, 10.2, and 10.3 You can calibrate your monitor’s color regimen in System Preferences → Displays → Color. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide197 Factors that Affect Color Printing Software Settings Many software applications have their own color settings. The application settings may override the settings in the printer driver. Please refer to the documentation for your software application for details on how that particular program’s color management functions. How the application displays color Some graphics applicatio ns such as CorelDRAW®, Adobe® Photoshop®, or Macromedia Freehand® may display color differently from office applications such as Microsoft® Word. For more information, please see your application’s online help or user manual. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide198 Factors that Affect Color Printing Printer Driver Settings The color settings in your pr inter driver can change the appearance of a document. There are several options available to help match the printed colors with those displayed on screen. See “How To” on page 208 . For Windows The printer drivers supplied with your printer provide several controls for changing the color output. The default driver settings produce good results for most documents. For Macintosh The install utility provides • a color matching profile for your printer and • a Color Option utility in the print driver. The Auto settings produce good results for most documents. See “Automatic” on page 211 . Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide199 Factors that Affect Color Printing Lighting (Viewing) Conditions A document can look very di fferent under various lighting conditions. For example, the colors may look different when viewed standing next to a sunlit window compared to how they look under standard offi ce fluorescent lighting. Paper Type The type of paper used can also significantly affect the printed color. For example, a printout on recycled paper can look duller than one on specially formulated glossy paper. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide200 Choosing a Color Ma tching Method General Information NOTE: These suggestions are for guidance only. Your results may vary depending on the application from which you are printing. Some applications override, without warning, any color matching settings in the printer driver. There is no one way to achi eve a good match between the document displayed on your monitor, and its printed equivalent. There are many factors involved in achieving accurate and reproducible color. However, the following guidelines may help in achieving good color output from your printer. There are several suggested meth ods. The method you choose is determined by the type of document you are printing. • most common [RGB]. See page 201. • professional desktop publishing and graphics [CMYK]. See page 201 . • photographic images. See page 202. • specific colors (i.e., a company logo). See page 203. • printing vivid colors. See page 204. Downloaded From ManualsPrinter.com Manuals