document
The physical item, such as a sheet of paper or a book, that you place on the document table for the scanner to read.
dpi
Short for dots per inch. A unit of measurement for resolution. The higher the value, the higher the resolution.
dropout color
A color the scanner does not recognize and ignores. You can select and deselect dropout colors in the scanner software.
ESC/I
Abbreviation for EPSON Standard Code for Image scanners. A system of commands that allows you to control image scanners from your software.
ESC/P
Abbreviation for EPSON Standard Code for Printers. A system of commands that allows you to control printers from your software.
grayscale
Images represented with various shades of gray in addition to black and white.
halftoning
A method of reproducing images with patterns of dots to improve the quality of the output.
home position
The position at the rear (nearest the cover hinge position) of the scanner where its carriage rests before a scanning operation.
imagesetter
A device that uses computer files to produce
impact dot printer
A printer that transfers ink onto the paper by striking an ink ribbon with a number of small pins.
ink jet printer
A printer that transfers ink onto the paper by spraying it through a number of small nozzles.
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.
