- 66 -Adjusting Color with PS Gamma Adjuster Utility2 2. Adjusting Color Adjusting Color with PS Gamma Adjuster UtilityThis section explains the PS Gamma Adjuster Utility. You can adjust the half-tone density of CMYKcolors printed by the printer. Use this function if the color in a photograph or graphic is too dark.Note● The Windows XPS printer driver cannot be used.● Printing speed may be slow if this function is used. If you want to prioritize the speed, select [Not Specified] from [CustomGamma Adjustment].● Some applications can specify the half-tone settings. If you use these functions, select [Not Specified] from [CustomGamma Adjustment].● If you are using Windows, [Custom Gamma Adjustment] menu or the contents may not be displayed on the [Color] tab ofthe printer driver. In this case, restart your computer.● If you are using an application before registering the half-tone adjustment name, restart the application before printing.● The registered half-tone adjustment name is effective for all printers of the same type if multiple printers are saved in the[Printers and FAX] folder.Reference● For details on how to install the PS Gamma Adjuster Utility, refer to “Installing Utilities” P.86.Registering Half-toneFor Windows PS Drivers1 Click [Start] and select[All Programs]> [Okidata]> [PSGamma Adjuster]> [PS GammaAdjuster].2 Select the printer from [Select Printer].3 Click on [New].4 Adjust the half-tone.You can select a method to adjust the half-tonefrom operating the graph line, entering thegamma value, or entering the density value intothe text box.5 Enter setting name in [Gamma CurveName] and then click [OK].6 Click on [Add].7 Click on [Apply].A dialog box appears.8 Click on [OK].9 Click on [Exit] to quit the PS GammaAdjuster Utility.For Mac OS X PS Printer Driver1 Launch the PS Gamma Adjuster Utility.2 Click on [New].3 Adjust the half-tone.You can select a method to adjust the half-tonefrom operating the graph line, entering thegamma value, or entering the density value intothe text box.4 Enter a setting name in [Gamma CurveName] and then click [Save].5 Click on [Select PPD].6 Select the PPD file to register the half-tone adjustment and click [Open].7 Select the half-tone adjustment and click[Add].8 Click on [Save].9 Enter the administrator’s name andpassword and click [OK].
