Olivetti d-Color MF25 User Manual page 44

"Single Color" function
This function allows you to copy a document using only one of the 21 colors
available.
For details on the setting procedure, refer to "Selecting a color setting" on
page 3-29.
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Yellow
Magenta
Cyan
Red
Green
Orange
Pumpkin
Yellow
Green
Blue
Sepia 1
Sepia 2
Pink
Teal
Aquamarine
Camel
Brown
Forest
Green
Maroon
Copper
Red
Plum
Purple
d-Color MF25