Maximized settings may produce smudged printouts.
Press the [User Tools/Counter] key.
Press [Maintenance].
Press [Adjust Image Density].
Adjust the image density by pressing [Lighter] or [Darker].
You can specify the image density in the range from -3 to +3.
Increasing the value makes the printouts darker and decreasing the value makes the printouts lighter.
Press [OK].
Press [Exit] twice.