Kodak i800 Series User Manual page 95

200 dpi; 80 Threshold; 20 Contrast 200 dpi; 80 Threshold; 100 Contrast
Lighten, Normal and Darken are used as quick sets to adjust the
threshold. Lighten = 72, Normal = 90 and Darken = 128.
A-61510 January 2005 4-14