Epson Expression 1680 User Manual download pdf

EPSON Expression 1680

1/01 EPSON Expression 1680

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Scanner Parts

Scanner Specifications

Scanner

General

Scanner type Flatbed, color

Photoelectric

device Color MatrixCCD

™

line sensor

Effective pixels 13600

18720 pixels (1600 dpi)

Optical density 3.6 Dmax

Color depth 48-bit internal/48-bit external

Grayscale depth 16-bit internal/16-bit external

Maximum

document size 8.5 × 11.7 inches (216 × 297 mm)

A4 or Letter (the reading area can be

specified from your software)

Optical resolution 1600 dpi

Maximum hardware

resolution* 1600 dpi (main scan)

3200 dpi with Micro Step Drive

™

(sub scan)

* The maximum hardware resolution of 1600 × 3200 dpi is

achieved using EPSON’s Micro Step Drive technology

Maximum interpolated

resolution 12800

12800 dpi

Speed

(1600 dpi,

draft mode) Color: 9.2 msec/line (approx.)

Grayscale: 3.1 msec/line (approx.)

Line Art: 3.1 msec/line (approx.)

Color separation RGB color filters on CCD

Reading sequence Monochrome: One-pass scanning

Color byte sequence: One-pass scanning

(R, G, B)

Color line sequence: One-pass scanning

(R, G, B)

Zoom 50 to 200% in 1% increments

Command level ESC/I-B8

Pixel depth 16 bits per pixel (16 bits per pixel input,

1 to 16 bits per pixel output)

Brightness 7 levels

Line art settings Fixed threshold

TET (Text Enhancement) Technology,

enable/disable selectable)

Digital halftoning AAS (Auto Area Segmentation,

enable/disable selectable)

3 error diffusion modes (A, B, and C)

4 dither patterns (A, B, C, and D) for

bi-level and quad-level data

(2 downloadable dither patterns)

Gamma

correction 2 types for CRT display

3 types for printer

1 type user-defined

document

cover

document

table

carriage

(at home position)

lights

a Start button

Operate button

SCSI interfaces

transportation lock

optional

interface slot

SCSI ID switch

terminator switch

USB interface

option connector

AC inlet

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Scanner Specifications

EPSON Expression 16801/01 EPSON Expression 1680 - 1Scanner Parts Scanner Specifications ScannerGeneralScanner type Flatbed, colorPhotoelectric device

Page 2

EPSON Expression 16802 - EPSON Expression 16801/01Color correction 1 type for CRT display3 types for printer (available in colorbyte sequence mode and

Page 3

EPSON Expression 16801/01 EPSON Expression 1680 - 3Option Interface ConnectorInterface type For use with the optional automaticdocument feeder (B81316

Page 4 - Transporting the Scanner

EPSON Expression 16804 - EPSON Expression 16801/01Lights and Buttons The scanner has two indicator lights and two buttons on its control panel. Light

Page 5 - Scanning with EPSON TWAIN Pro

EPSON Expression 16801/01 EPSON Expression 1680 - 5If you are using a transparency unit and it is switched on, the scanner carriage will not move to t

Page 6 - Using a Network Scanner

EPSON Expression 16806 - EPSON Expression 16801/01For example, if you’re scanning a photograph, select Flatbed as your Document Source, 24-bit Color (

Page 7

EPSON Expression 16801/01 EPSON Expression 1680 - 7Starting EPSON Scan ServerEPSON Scan Server starts automatically whenever the scanner server is tur

Page 8 - Related Documentation

EPSON Expression 16808 - EPSON Expression 16801/01Stopping a Scan in ProgressYou can stop a scan in progress from either the client computer or the sc