line art image | One of four possible image types. When you choose line art as |
| the image type, your scanner will produce an image containing |
| only pure black and pure white. Choose line art if the original |
| you are scanning is a text document or a |
| See also color image, grayscale image, halftone image. |
main unit
Optical Character Recognition (OCR)
The part of the personal computer that houses the motherboard and usually also the disk drives.
An application program that can translate characters in a scanned image of a printed page into
original | the document or photo that you place onto the scanner to be |
| scanned. |
pixel | the smallest discrete unit of the scanned image. All scanned |
| images are made up of many pixels, each of which is one |
| particular color (or white, gray, or black). Also called dot. |
prescan | The first step in the scanning process. You prescan to quickly |
| capture a large area of an image, after which you can adjust |
| other settings in order to carry out the final scan. |
preview image | The image of the original that appears after you click the |
| preview button. |
preview screen | The part of the user interface that shows you the preview |
| image. |
primary color | Each of the three colors – red, green, and blue – which your |
| scanner mixes to produce over one trillion different colors. |
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