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45584901TH Rev.1 4-9 /Oki Data CONFIDENTIAL4.3.2 Gamma balance adjustment (Black Mode)The gamma balance is adjusted by adjusting the density at the Black Mode. The adjustment isperformed by selecting its density area from the following: low density, medium density, and highdensity.When “Black” (600 dpi) is set for the color mode and “Auto” is selected for the halftone setting,the gamma balance can be adjusted in each area of Text, Graphics and Image.ColormodeSmooth Detail Smooth Detail Smooth Detail Remarks(PS) (PS) (PCL) (PCL) (XPS) (XPS)Black(600dpi)7315-0 7316-0 7317-0 7318-0 7319-0 7320-0 The larger the value is, thedensity of the item to beadjusted becomes darker.Acceptable values: 0 to 255(Default: 128)7315-1 7316-1 7317-1 7318-1 7319-1 7320-17315-2 7316-2 7317-2 7318-2 7319-2 7320-2Black(1200dpi)7309-0 7310-0 --- --- --- --- The larger the value is, thedensity of the item to beadjusted becomes darker.Acceptable values: 0 to 255(Default: 128)7309-1 7310-1 --- --- --- ---7309-2 7310-2 --- --- --- ---ColormodeAuto (PS) Auto (PCL)RemarksSmooth(PS)Detail(PS)Smooth(PCL)Detail(PCL)Smooth(XPS)Detail(XPS)Black(600dpi)7360-0 7361-0 7362-0 7363-0 7364-0 7365-0 The larger the value is, thedensity of the item to beadjusted becomes darker.Acceptable values: 0 to 255(Default: 128)7360-1 7361-1 7362-1 7363-1 7364-1 7365-17360-2 7361-2 7362-2 7363-2 7364-2 7365-2ColormodeAuto (XPS)RemarksSmooth(PS)Detail(PS)Smooth(PCL)Black(600dpi)7366-0 7367-0 7368-0 The larger the value is, the density of the item to beadjusted becomes darker.Acceptable values: 0 to 255 (Default: 128)7366-1 7367-1 7368-17366-2 7367-2 7368-2Notes:• Be sure that this adjustment be made after performing P. 4-7 “4.3.1 Automatic gammaadjustment”.• Changing the adjustment setting influences the adjacent density area slightly.E.g.: When the value of the medium density is larger, the adjacent areas in the low densityand high density range will become slightly darker.
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