Epson Expression 1680 Setup Guide

Glossary
1
R
Proof Sign-off:
K.Pipa
J.Miyakoshi
K.Norum
R4C6740
Setup Guide Rev. C
GLOSS.FM A5 size
10/19/00
Glossary
bit
Short for binary digit. The smallest unit of data in computer processing. A bit can
represent one of two values: on, represented by a 1, or off, represented by a 0.
byte
A unit of information consisting of eight bits. A byte can represent a control code
or character.
carriage
A component of the scanner that contains the optical sensor and light source for
scanning.
daisy chain
A SCSI bus arrangement that allows several devices to be connected
simultaneously in a line to a single computer. See
SCSI
.
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.
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
Short for 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.
home position
The position at the rear (nearest the cover hinge position) of the scanner where
the carriage rests before a scanning operation.
interface
A piece of hardware, a method, or a standard used for connection between or
among computer devices.
laser printer
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.
marquee
A moveable and adjustable frame that marks the area of an image that will be
previewed or scanned.

Epson Expression 1680 Specifications

Scanning Specifications

optical resolution	1600 x 3200 dpi
maximum resolution	13, 600 x 18, 720 dpi with interpolation
effective pixels	13, 600 x 18, 720 pixels (1600 dpi)
color depth	48 bits per pixel internal/external
grayscale depth	16 bits per pixel internal/external
scanning speed (color, 1600 dpi, draft mode)	9.2 msec/line (approx.)
scanning speed (grayscale/monochrome, 1600 dpi, draft mode)	3.1 msec/line (approx.)

Operating Environment

temperature operating range	41ºF to 95ºF (5ºC to 35ºC)
humidity operating range	10% to 80% (no condensation)
humidity storage range	10% to 85% (no condensation)

Power

voltage	AC 100V-120V, 220V-240V
frequency	50-60Hz
power consumption (operating without optional unit)	60W
power consumption (operating with optional unit)	75W
power consumption (standby without optional unit)	10W

Weight and Dimensions

maximum read area	8.5" x 11.7" (216mm x 297mm)
width	13.1" (332mm)
depth	22.1" (562mm)
height	5.2" (133mm)
weight	18.7 lb (8.5 kg approx.)