A software program that helps you carry out a particular task, such as word processing, image editing, or financial planning.
Image data that is composed of 1 bit per pixel. A pixel is represented by a single bit of digital data that can be expressed as only 1 (light) or 0 (dark).
Binary digit. The smallest unit of data in computer processing. A bit can represent one of two values: 1 (on) or 0 (off).
The unit that indicates the number of bits allocated for a pixel. Larger bit values reproduce more details.
Lighten sor darkens the output image data.
A unit of information consisting of eight bits. A byte can represent a control code or character.
A component of the scanner that contains the optical sensor and light source for scanning.
A method of adjusting the color image data for a particular type of device so that the reproduction results are as close as possible to the original colors.
A process of converting full-color images into a limited number of primary colors. Additive primary colors (red, green, and blue) are used by the scanner, and subtractive primary colors (cyan, magenta, and yellow) plus black are used for printing press separation.
A method that reproduces a specific color. Additive primary colors (red, green, and blue) are used by the scanner, and subtractive primary colors (cyan, magenta, and yellow) plus black are used for printing press separation.
Color management system for Macintosh that is designed to help you get WYSIWYG (what you see is what you get) color output. This software displays colors on your screen as they exist on the scanned documents, or prints colors as you see them on your screen.
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 left the factory.
Removes moiré patterns.
The item, such as a sheet of paper, that is placed on the document table for
the scanner to read.
Dots per inch. A unit of measurement for resolution. The higher the value, the higher the resolution.
Desktop Publishing. Describes an application that enables you to edit publications
on a computer.
Lightens or darkens the scanned image data.
A value that expresses the relationship between the input and output of a device. By adjusting the gamma, the brightness of the mid-tones of an image can be changed without affecting the shadows and highlights.
Images represented with various shades of gray in addition to black and white.
A method of reproducing images with patterns of dots to improve the quality of the output.
The position at the rear (nearest the cover hinge position) of the scanner where the carriage rests before a scanning operation.
Image Color Matching. Windows color management system designed to help you get WYSIWYG (what you see is what you get) color output. Displays colors on your screen as they exist on the scanned documents, or prints colors as you see them on your screen.
ink jet printer
A printer that transfers ink onto the paper by spraying the ink through a number of small nozzles.
A piece of hardware, a method, or a standard used for connection between or among computer devices.
A printer that uses a laser and the electrophotographic method to print a full page at a time. The laser is used to "paint" a charged drum with light, to which toner is applied and then transferred onto paper.
A moveable and adjustable frame that marks the area of an image that will be previewed or scanned.
A cross-hatch pattern that appears on scanned images when scanning printed material. It is a result of interference that occurs due to the difference between the pitches of the scanning and the halftone screens.
Black and white images, or images represented only by the intensity of luminosity.
A pattern of ring-shaped stripes that appears on the scanned image when you scan transparency materials. It is the result of interference that occurs due to the duplex membrane on the film.
Personal Digital Assistant. A hand held personal computer with limited functionality. A PDA usually contains address book, schedule, and e-mail functions, and can share its data with other computers.
PRINT Image Matching
A standard that allows the scanner to record special information about the images it scans, and relay that information seamlessly to applications and printers compatible with the standard. This information can be used by printers that support the PRINT Image Matching system for enhanced printing results.
Picture element. Each image is composed of a number of pixels. Pixels are also counted in units of dots.
Bi-level image data without the halftoning process.
Allows you to see the effects of most EPSON Scan settings, and to make additional image adjustments before scanning.
Any of the colors from a mixture of which all other colors can be produced (for example, red, blue, and yellow).
A document printed on opaque materials, such as a report or photo.
Indication of how finely an image is resolved into pixels. Can be measured in dots per inch (dpi), pixels per inch (ppi), or samples per inch (spi).
An operation performed by the sensor and the carriage. The image is divided into pixels by scanning.
The physical size of the image that can be scanned by the scanner.
A standard color space used as the default color space within the Windows 98 color management system (ICM 2.0).
A reference point that is used to determine whether data will be processed as "on" or "off". In the case of color image data, "on" means that a certain color will appear in a pixel or dot, and "off" means that the color will not appear there.
A method of adjusting the tone curve so that the reproduction results on different types of output devices have gradations similar to the original image.
The graph that shows the contrast ratio between the input (original image) and output (image data) in image processing.
Originally a photographic process in which a sharply focused and a slightly out-of-focus image are combined to produce a sharper image. This process is simulated by software to produce the same effect.
Universal Serial Bus. A hardware interface for connecting low-speed peripherals such as a keyboard, mouse, scanner, or printer to the computer.