Ricoh Aficio 6110 Operating Instructions Manual page 144

Color Balance—Adjusting and Storing the Color Balance
Selecting the sampled area (Only for Edit type)
Note
The sampled area is as shown below.
a: 58mm, 2.3"
b: 180mm, 7.1"
<
Orientation of the original and scanned image are related as shown:
Exposure Glass Display
R
1
Press the Adjustment/Memory key.
128
Selected position
Sampled area
+ a
b
>
GCAREA5E