Ricoh A172 - Page 65

When B/W Priority is selected
a) Letter areas
The UCR (Under Color Removal) ratio is set to 100% to reproduce the letter
areas well.
b) Photo area
The UCR ratio is set to a higher value than for the Color Priority default
setting (level 5), so that low image density areas of B/W originals can be
reproduced well.
0 255
255 : Letter areas
: Photo areas
RGB Common Data
Bk Conversion Data
UCR ratio: 100%
<ACS: B/W Priority>
A172/A199 2-16 SM