Reading color
By illuminating the document with three lights, red (R), green (G), and blue (B), the scanner can analyze and separate a document’s three color components. The computer can then overlay this
Reading monochrome
Even though you have a color scanner, you can still read your documents as monochrome. Color scanners can read documents as monochrome in two ways:
❏Treat all the data on the page as the same color. This method uses all the light sources, and is fine if you plan to print data in black and white only.
❏Specify one color (R, G, or B) as a dropout color. This method uses only one light source and reads all data except for the color specified.