OKI C8800dn User Manual
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C8800 User’s Guide201 Choosing a Color Ma tching Method RGB or CMYK? The RGB color model is based on the three primary colors of light; Red, Green and Blue. This model is used by scanners, digital cameras and computer monitors. The CMYK color model is based on Cyan, Magenta, Yellow and Black printer inks or toners. Most documents you print are in RGB format. This is the most common method. If you do not know your document’s color mode, assume that it is RGB. CMYK documents are typically only supported in professional Desktop Publishing and Graphics applications. About the Printer Drivers Support for RGB data Support for CMYK Data PCL driver (Windows) Yes No PostScript driver (Windows) Yes Yes PostScript driver (Mac) Yes Yes Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide202 Choosing a Color Matching Method Matching Photographs RGB only Select a matching method appropriate to your monitor. Windows Natural is generally a good choice. Select a matching method appropriate to your monitor. Macintosh OS 10.2 and 10.3 Natural is a generally a good choice. Select a matching method appropriate to your monitor. RGB or CMYK If you are printing photographic images from a graphics application such as Adobe Photoshop, you may be able to use Soft-Proofing to simulate the printed image on your monitor. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide203 Choosing a Color Matching Method Matching Specific Colors (Example: Company logo) RGB only Color Swatch Utility Use the Color Swatch Utility to print out a chart of RGB swatches. Select your desired RGB values from the swatches. Enter the values in your applications color picker See “Color Swatch Utility” on page 325 . RGB or CMYK If you are printing from a graphics application such as Adobe Photoshop, you may be able to use Soft-Proofing to simulate the printed image on your monitor. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide204 Choosing a Color Matching Method Printing Vivid Colors RGB only Choices are •Monitor 6500k Vivid • sRGB • Digital Camera settings. See “Color Settings” on page 205 . RGB or CMYK Auto is generally a good choice. See “Automatic” on page 211. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide205 Color Settings This is a list of all possible options. The list you see varies accordin g to your computer platform, operating system, color production method, and printer driver type. You can modify these settings by selecting Advanced Color, then Natural. Monitor (6500k) Auto The default setting (in Macint osh) that selects the best options for your printer. This selection works best for office situations. Optimized for printing general documents when using a monitor with a color temperature of 6500K. Monitor (6500k) Perceptual This is best choice for printing photographic images. Optimized for printing photographs when using a monitor with a color temperature of 6500K. Monitor (6500k) Vivid Ideal for office graphics and text. Optimized for printing bright colors when using a monitor with a color temperature of 6500K. Vivid or Digital Camera settings produce brightest colors. Monitor (9300k) Optimized for printing photographs when using a monitor with a color temperature of 9300K. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide206 Digital Camera Optimized for printing photographs taken with a digital camera. This tends to produce prints with lighter and brighter colors. For some photographs, other settings may be better depending on the subjects an d the conditions under which they were taken. Vivid or Digital Camera settings produce brightest colors. sRGB This option attempts to simulate RGB color. Optimized for matching specific colors, such as a company logo color. The colors within the printers color gamut are printed without any modification. Only colors that fall outside the printable colors are modified. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide207 Hue, Brightness, and Saturation There are three main components to color: Hue, Brightness, and Saturation. Hue The component that determines the frequency of light or the position in the spectrum or the relative amounts of red, green and blue. Hue corresponds to the common definition of color, e.g. red, orange, violet etc. Brightness The component that determines the total amount of light (white) in the color. Zero brightness is black. 100% Brightness is white. Intermediate values are light or dark colors. Windows and Macintosh 10.3 Brightness can be adjusted when using the Gray Scale color mode (color matching method). Gray Scale: see page 237 Saturation The degree of saturation of a color is its relative purity, or freedom from, mixture with white. Windows and Macintosh 10.3 Saturation can be adjusted when using the Gray Scale color mode (color matching method). Gray Scale: see page 237 Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide208 Color Matching ____________________ How To NOTE: Most applications allow the 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 how-to information explains how to perform color matching with your printer. Color Match Precision When the printer performs color matching, it must do many calculations to convert between different color formats (RGB, CMYK, etc). These calculations can take time to process. The [Color Match Precision] option allows you to choose between higher quality color ma tching (more time consuming) or faster but less accurate color matching. Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide209 List of Color Matching Methods This is a list of all possible options. The list you see varies accordin g to your computer platform, operating system, color production method, and printer driver type. To change these settings in yo ur printer driver, refer to the appropriate section. Automatic Office Color Graphic Pro No Color Matching Grayscale Mac ColorSync Descriptions of Color Matching Methods Automatic Your printer automatically uses the best method to match color, depending on the ty pe of document you are printing. See page 209 Office Color This is a simpler color management system designed for ease of use. Office Color is recommended for users who are not experts in color bu t want good results when printing from programs such as Microsoft Office. See page 209 Graphic Pro This is a powerful color management system based on ICC color profiles. Profiles can be downloaded to the printer hard disk using a special utility, and then color matching can be applied to all incoming print jobs. The Graphic Pro color management system is recommended for users who are already familiar with ICC Downloaded From ManualsPrinter.com Manuals
C8800 User’s Guide210 profile-based color matching and require more control over color. See page 209 No Color Matching Use this option to turn off all printer color matching. No color correction occurs when selected. Use No Color Matching when you are using another color matching method in your application (such as Color Simulation). See “CMYK ink simu lations – CMYK source data” on page 231 . See page 210 Grayscale This option prints all documents as monochrome. No color prints. The printer interprets all colo rs as a variation of grays. See page 210 Mac ColorSynch This is the color matching system built into the Mac OS See page 239 . Downloaded From ManualsPrinter.com Manuals