- 161 -Matching Colors Using Utilities43512Convenient printfunctions Appendix IndexChecking andChanging PrinterSettings Usingthe Control PanelNetworkSetupMatchingColorsUsing UtilitySoftwareChanging gamma values andhues (Macintosh)Color matching can be implemented by adjustingthe gamma values and hues using the ColorCorrect Utility.Notez For how to set up the Color Correct Utility, see "Installingutilities" (P.178).z Set up each PPD file.z Test print using paper of A4 size or greater.z Cannot be used with shared printers.z If job restrictions mod is enabled (encrypted jobs only),test printing functions cannot be used. For job restrictionsmode, see "[Admin Setup]" (P.299).1 Use the Color Correct Utility to changethe gamma values and hues, etc.(1) Start the Color Correct Utility.(2) Select the target printer.Memoz Printers supported by the tool will be displayed.(3) Click [Gamma / Hue / SaturationTuning].(4) The "Gamma / Hue / SaturationTuning" screen will be displayed.Select the basic mode from the listbox, and click [Next].(5) Use the slide bars to change andadjust the Gamma, Hue, Saturationvalues.Memoz The PPD file select in Step (2) will be displayedat the lower left of the screen.z The overall brightness can be adjusted using thegamma slide bar, and the output colors adjustedusing the hue/brightness slide bars.z The further to the left the "Gamma" is adjusted,the brighter the image.z The matched colors can be switched using theprinter color buttons.z Adjust the [Hue] for each color either clockwise(+) or counterclockwise (-) in the color circle.For example, moving the Y (yellow) slide barclockwise (+) the color approaches G (green),and moving the bar counterclockwise (-) thecolor approaches R (red).C(Cyan) R(Red)Y(Yellow)G(Green)B(Blue) M(Magenta)(+)(-)z [Use ink primary colors] adjusts so that the100% of the primary toner colors are used.Enable this check box to anchor the [Hue] sliderbar for the relevant color, and adjust so thatprinting arranges the toners as described below.