C5550 MFP User’s Guide
Operation > 110
3. Adjusting the curve 
Adjusts the midtones of the image without dramatically 
altering their lightest and darkest areas.
When the curve is moved up or down, the image will 
become darker or lighter.
 Scanner 11.eps 
4. Color hue/saturation/lightness 
Improve an image by changing the level of hue/saturation/
lightness.
 Scanner 12.eps 
(a) Hue 
Adjust the hue by moving the triangle to the right or 
left. (Note the level of color intensity will change 
simultaneously when the hue adjustment is made).
(a) Saturation 
Move the triangle to the right to increase the 
saturation level or to the left to decrease the level. 
a
b
c