OKI C7350DTN User Manual
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C7350/7550 User’s Guide: Windows XP Operation • 141 6.Select the method you wish to use: Monitor (6500k) Perceptual Optimized for printing photographs when using a monitor with a color temperature of 6500K. Monitor (6500k) Vivid Optimized for printing bright colors when using a monitor with a color temperature of 6500K. Ideal for office graphics. Monitor (9300k) Optimized for printing photographs when using a monitor with a color temperature of 9300K. 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 and the conditions under which they were taken. sRGB Optimized for matching specific colors, such as a company logo color. The colors within the printers color gamut are printed without any modification, and only colors that fall outside the printable colors are modified. 7.Set any other required parameters. Use the on-line Help for guidance. 8.When you are done, click OK. Close the Printing Preferences dialog box. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 142 Color Matching Color Matching Options Print Color Swatch Utility For use with applications which allow you to set your own RGB values for colors. The Color Swatch utility prints out charts of sample colors. Listed below each color are the corresponding RGB (Red, Green, Blue) values to use in your application to match that printed color. An example of using the Print Color Swatch function: You wish to print a logo in a particular shade of red. The steps you would follow are: 1.Click Start → Settings → Printers and Faxes. 2.Right click the printer name. Click Printing Preferences. 3.Click the Color tab. 4.Click the Color Swatch button to print the color swatch samples. 5.Select the shade of red that best suits your needs and make a note of the RGB value below that particular shade. 6.Use your program’s color picker to enter the same RGB values (from step 5). Change the logo to that color. NOTE The RGB color displayed on your monitor may not necessarily match what was printed on the color swatch. If this is the case, it is probably due to the difference between how your monitor and printer reproduce color. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 143 Color Matching Color Matching Options PostScript Driver The PostScript driver offers several different methods of controlling the color output of the printer. Setting Options Manually 1.Click Start → Settings → Printers and Faxes. 2.Right click the printer name. Click Printing Preferences. 3.Click the Color tab. C73_XP_PS_Color1k.tif Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 144 4.Under Color Mode, use the drop-down list to select one of the following Color Control Methods: a.OKI Color Matching This is OKI’s proprietary color matching system, and affects RGB data only. See “OKI Color Matching” on page 145. b.PostScript Color Matching This uses PostScript Color Rendering Dictionaries built into the printer, and affects both RGB and CMYK data. See “PostScript Color Matching” on page 147. c.Using ICC Profiles This option provides a method of matching RGB colors similar to Windows ICM matching. See “Using ICC Profiles” on page 149. d.No Color Matching Use this option to switch off all printer color matching. No color correction occurs when selected. This option is beneficial when other matching regimens are used, specifically if you select a Color Simulation option. e.Print in Grayscale This option prints all documents as monochrome. No color prints. The printer interprets all colors as a variation of grays. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 145 Color Matching Color Control Method OKI Color Matching PostScript This is OKI’s proprietary color matching system. It affects RGB data only. This is the default setting. It provides the fastest, best color matching for your printer. Under Color Setting, use the drop-down list to select the type to be used: C73_XP_PS_Color2k.tif Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 146 Color Matching Color Control Method OKI Color Matching PostScript Color Settings Monitor (6500k) Auto Optimized for printing general documents when using a monitor with a color temperature of 6500K. Monitor (6500k) Perceptual Optimized for printing photographs when using a monitor with a color temperature of 6500K. This is best for printing photographic images. Monitor (6500k) Vivid Optimized for printing bright colors when using a monitor with a color temperature of 6500K. Ideal for office graphics and text. Vivid or Digital Camera settings produce brightest colors. Monitor (9300k) Optimized for printing photographs when using a monitor with a color temperature of 9300K. 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 and the conditions under which they were taken. Vivid or Digital Camera settings produce brightest colors. sRGB Optimized for matching specific colors, such as a company logo color. This option attempts to simulate RGB color. The colors within the printers color gamut are printed without any modification, and only colors that fall outside the printable colors are modified. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 147 Color Matching Color Control Method PostScript Color Matching This uses PostScript Color Rendering Dictionaries built into the printer. It affects both RGB and CMYK data. From the Rendering Intent drop-down list, select the rendering type. C73_XP_PS_Color3k.tif Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 148 Color Matching Color Control Method PostScript Color Matching Rendering Intents When a document is printed, a conversion takes place from the documents color space to the printer color space. The rendering intents are essentially a set of rules that determine how this color conversion takes place. The printer driver provides the rendering intents listed below: –Auto Best choice for printing general documents. –Perceptual Best choice for printing photographs. Compresses the source gamut into the printers gamut while maintaining the overall appearance of an image. This option attempts to simulate RGB color. – Saturation Best choice for printing bright and saturated colors if you dont necessarily care how accurate the colors are. This makes it the recommended choice for graphs, charts, diagrams etc. Maps fully saturated colors in the source gamut to fully saturated colors in the printers gamut. – Relative Colorimetric Good for proofing CMYK color images on a desktop printer. Much like Absolute Colorimetric, except that it scales the source white to the (usually) paper white. Unlike Absolute Colorimetric, Relative Colorimetric attempts to take the paper white into account. – Absolute Colorimetric Best for printing solid colors and tints (such as Company logos). Matches colors common to both devices exactly. Clips the out of gamut colors to their nearest printed equivalent. Tries to print white as it appears on screen. The white of a monitor is often very different from paper white, so this may result in color casts, especially in the lighter areas of an image. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 149 Color Matching Color Control Method Using ICC Profiles PostScript Only •Affects RGB data only. This provides a method of matching RGB colors similar to Windows ICM matching. The main advantage it has over Windows ICM color matching is that it provides a method of printing using both input and output profiles. Windows ICM matching only allows output profiles to be chosen. Input Profiles (e.g., a digital camera) provide information about the color in the original device that was used to capture or display the image data. For example, an input device could be a scanner, digital camera, or monitor. Output Profiles (e.g., the printer) provide information about the device to which you are printing. The Using ICC Profiles feature uses both the input and output profiles to generate a CRD (Color Rendering Dictionary), which is used to match the colors as closely as possible. NOTE This feature may not work for all application programs. However, many professional graphics applications offer a similar feature in their print settings, with the ability to choose a source (input) color space, and a print (output) color space. Downloaded From ManualsPrinter.com Manuals
C7350/7550 User’s Guide: Windows XP Operation • 150 Color Matching Color Control Method Using ICC Profiles PostScript Only Setting Up 1.Click Start → Settings → Printers and Faxes. 2.Right click the printer name. Click Printing Preferences. 3.Click the Color tab. 4.Under Color mode, in the Color Control Method drop-down list, select Using ICC Profile. C73_XP_PS_ICCk.tif Downloaded From ManualsPrinter.com Manuals