Minolta CF 2002 Advanced Information page 215

Advanced Operations
H
Touching [Solid] so that it is selected specifies that the document
will be copied without shading, regardless of the gradations in the
original document.
Tip
Touching [Solid] so that it is not selected specifies that the document
will be copied with the original color differences (color shading that can
be seen with the eye). To cancel the "Monotone" function, touch
[Cancel] in either Monotone screen.
CF2002/CF3102
7
7-39