ADJUST THE BRIGHTNESS AND CONTRAST OF THE IMAGE(COLOUR ADJUSTMENT SETTINGS)
Overview
This function adjusts the brightness and contrast in the print settings when a photo or other image is printed.
This function makes simple corrections even if image editing software is not installed on your computer.
This function makes simple corrections even if image editing software is not installed on your computer.
In a Macintosh environment, this function is only available when using Mac OS X 10.4.11.
Operation
Windows
Click the [Colour] tab and click the [Colour Adjustment...] button.
Drag the slide bar 
Macintosh
Select [Colour] and click the [Colour Adjustment...] button.
Click the [Colour Adjustment] checkbox so that the checkmark 