PS Settings 3-713Printer Settings MenuRGB Pure Black ProcessOn * , OffThis setting enables you to specify how black and gray data with the equivalentratio of R to G to B should be processed when device dependent RGB data isconverted into device dependent CMYK data using the 'RGB Source Profile' ofthe machine.If [On] is selected, black and gray data with the equivalent ratio of R to G to B isprinted using the black (K) toner only, regardless of the selected 'Output Profile'setting.If [Off] is selected, black and gray data with the equivalent ratio of R to G to B isprinted using CMYK toners based on the selected 'Output Profile' setting.IMPORTANTIf you can see gradations or jagged lines in the printouts of black or gray data,select [Off] in RGB Pure Black Process and select [Normal] for 'Output Profile'.NOTE• In combination with certain settings, black and gray data with the equivalent ratio ofR to G to B may be printed using the black (K) toner only, even if [Off] is selected.The following are examples.- When [On] is selected for 'Pure Black Text'- When [None] is selected for 'RGB Source Profile'- When [TR Normal] or [TR Photo] is selected for 'Output Profile'- When 'Prioritize Printing of Lines and Text' in the printer driver is selected• If [None] is selected for 'RGB Source Profile', the RGB Pure Black Process settingis not applied.CMYK Pure Black ProcessOn * , OffThis setting enables you to specify how monochrome data (C=M=Y=0) should beprinted when the device dependent CMYK data is processed using the 'CMYKSimulation Profile' of the machine.If [On] is selected, monochrome data (C=M=Y=0) is printed using the black (K)toner only, regardless of the selected 'Output Profile' setting.If [Off] is selected, monochrome data (C=M=Y=0) is printed using CMYK tonersbased on the selected 'Output Profile' setting.NOTE• In combination with certain settings, monochrome data (C=M=Y=0) may be printedusing the black (K) toner only, even if [Off] is selected. The following are examples.
