Adjusting the Text Color Reproducibility in Color Documents
When scanning color documents, you can adjust the color of black or blackish text to more closely match the original document, or you can adjust the clarity of black text to make it easier to read.
<Adjustment/Maintenance> 
<Black Text Processing for Color> <Platen Glass> Adjust the value 
<Color Text>
Makes black or blackish text match the original more closely.
<Black Text>
Enhances the clarity of black text.
