Setting DetailsYellow Adjusts the strength of colors to compensate the hues.Brightness Adjusts the brightness of the entire image. When the results of the printout are brighter than theoriginal images such as the original photo before scanning and graphics created on the display,or when you want to print in different degrees of brightness, use this feature.Contrast Adjusts the relative brightness between the brightest and darkest portions of the image.*For soft gradation, decrease the contrast. For hard gradation, increase the contrast.Saturation Adjusts the hues for vivid color or dark color.Gray Tone Adjusts gray from cool black (bluish tones) to warm black (reddish tones).Note• You can also click the up or down arrow, or enter the number directly to increase or decrease the value.Adjusting MonochromeUse the monochrome setting to print monochrome images of color photographs captured with a scanner or digital cam-era or other color images.1 Select Monochrome on Color Mode in the Color Settings panel.2 Select Color Adjustment.3 Drag each slider to the left or right to adjust.Setting DetailsBrightness Adjusts the brightness of the entire image. When the results of the printout are brighter than theoriginal images such as the original photo before scanning and graphics created on the display,or when you want to print in different degrees of brightness, use this feature.Contrast Adjusts the relative brightness between the brightest and darkest portions of the image.Color Adjustment iPF6400SUser's GuideMac OS Software Free Layout400