default A set of values used when no other selections have been made. These are sometimes called factory defaults if the original values have not been changed since the scanner has left the factory.
dithering A process in which software or an output device simulates continuous tones with groups of dots.
document The item, such as a sheet of paper or a book, that is placed on the document table for the scanner to read.
dpi Dots per inch. A unit of measurement for resolution. The higher the value, the higher the resolution.
grayscale Images represented with various shades of gray in addition to black and white.
halftoning A method of using dot patterns to represent an image.
home position The position at the rear (nearest the cover hinge position) of the scanner where the carriage rests before a scanning operation. Also, the position at the rear of the TPU where the TPU’s lamp assembly rests before a scanning operation.
interface A piece of hardware, a method, or a standard used for connection between or among computer devices.
line sequence A type of color scanning that separates primary colors line by line. The carriage makes only one pass.
monochrome Black and white images, or images represented only by the intensity of luminosity.
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