Epson Expression 800 User manual

EPSON TWAIN Pro
User’s Guide
®

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Copyright Notice
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior
written permission of SEIKO EPSON CORPORATION. The information contained herein is designed only for
use with this EPSON scanner. EPSON is not responsible for any use of this information as applied to other
scanners.
Neither SEIKO EPSON CORPORATION nor its affiliates shall be liable to the purchaser of this product or
third parties for damages, losses, costs, or expenses incurred by purchaser or third parties as a result of:
accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product,
or (excluding the U.S.) failure to strictly comply with SEIKO EPSON CORPORATION’s operating and
maintenance instructions.
SEIKO EPSON CORPORATION and its affiliates shall not be liable for any damages or problems arising from
the use of any options or any consumable products other than those designated as Original EPSON Products
or EPSON Approved Products by SEIKO EPSON CORPORATION.
A Note Concerning Responsible Use of Copyrighted Materials
Digital cameras and scanners, like photocopiers and conventional cameras, can be misused by improper
copying of copyrighted material. While some countries’ laws permit limited copying of copyrighted material in
certain circumstances, those circumstances may not be as broad as some people assume. EPSON
encourages each user to be responsible and respectful of copyright laws when using digital cameras and
scanners.

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Trademarks
EPSON is a registered trademark of SEIKO EPSON CORPORATION, and EPSON Expression is a registered
trademark of Epson America, Inc. EPSON FaxAdvice is a trademark, and EPSON SoundAdvice is a service
mark of Epson America, Inc.
General Notice: Other product names used herein are for identification purposes only and may be
trademarks of their respective companies.
Copyright © 1998 by Epson America, Inc., Torrance, California, USA ETP1298-00
12/98

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Contents
Introduction 6
System Requirements 7
Windows System Requirements 7
Macintosh System Requirements 8
How to Use This Manual 9
Where to Get Help 10
Scanning from Your Application Software 13
Basic Scanning 13
Selecting Basic Settings 15
Previewing Your Scan 21
Preview Zooming Options 22
Using Marquees 22
Advanced Scanning 27
Customizing Image Types 28
Customizing Destination Settings 32
Adjusting Source and Target Image Sizes 35
Scaling the Image 37

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Using Automatic Adjustment Features 37
Using Auto Locate 38
Using Auto Exposure 39
Adjusting Image Controls 39
Using the Eyedropper Buttons 42
Using Tone Correction 42
Customizing Tone Correction Settings 44
Using Color Adjustments 45
Changing the Gray Balance Intensity 46
Changing the Saturation 46
Saving Custom Settings 47
Configuring EPSON TWAIN Pro 48
Troubleshooting 50
Problems Using EPSON TWAIN Pro 50
Problems with Image Quality 55
Glossary 62
Index 64

Introduction Page 6
Introduction
EPSON®TWAIN Pro is the interface program between your application
software and scanner that lets you scan images into your software. It
includes many features for previewing and modifying your images for a
perfect scan:
◗Captures all kinds of image types, from black and white text to 36-bit
color images
◗Locates and exposes the image automatically
◗Opens a separate Preview window allowing you to change settings
and view their effects before you scan
◗Provides a helpful marquee feature so you can frame the exact image
or a specific portion of it for scanning
◗Uses EPSON’s Auto Area Segmentation and Text Enhancement
Technology features to improve text recognition and provide clear
separation from graphic areas when you scan images with text
◗Gives you predefined settings for a variety of image types and output
destinations, and lets you customize your own settings

Introduction Page 7
System Requirements
Before installing the scanner software, make sure your system meets the
following minimum requirements. If you are scanning high resolution
images, you need more than the minimum available hard disk space
listed.
Windows®S
y
stem Re
q
uirements
◗An IBM®compatible PC with a 486/66 MHz or faster processor
◗Microsoft®Windows 95, Windows 98, or Windows NT®4.0
◗16MB RAM for Windows 95 and Windows 98; 32MB RAM for
Windows NT (32MB RAM recommended for all systems)
◗50MB available hard disk space
◗PCI slot for the Adaptec®SCSI adapter (included with your scanner)
◗VGA color monitor with 640 ×480 resolution (a color monitor with a
resolution of 800 ×600 or higher recommended)
◗8-bit 256-color display adapter card (24-bit display adapter card with
millions of colors recommended)
Onscreen color and
tone reproduction
depend on the
display capabilities
of your computer
system,includingthe
video controller,
monitor, and
software.

Introduction Page 8
Macintosh®System Requirements
EPSON TWAIN Pro supports the Apple®ColorSync™2.0 color
management system and QuickTime.
™
◗PowerPC™(or higher processor) running system 7.5 (system 8.1 or
later recommended)
◗Macintosh standard SCSI interface
◗16MB RAM (32MB RAM recommended)
◗50MB available hard disk space
◗CD-ROM drive
◗VGA color monitor with 640 ×480 resolution (a color monitor with a
resolution of 800 ×600 or higher recommended)
◗8-bit 256-color display adapter card (24-bit display adapter card with
millions of colors recommended)
Onscreen color and
tone reproduction
depend on the
display capabilities
of your computer
system, including
the video controller,
monitor, and
software.

Introduction Page 9
How to Use This Manual
This User’s Guide tells you what you need to know to scan with EPSON
TWAIN Pro on a Windows or Macintosh system. For instructions on
installing the software, see Setting Up and Using Your Scanner .
Scanning from Your Application Software gives step-by-step instructions
for basic scanning and previewing of your images.
Advanced Scanning describes advanced EPSON TWAIN Pro
procedures, such as customizing image type and destination settings,
adjusting image size and scale, using image controls, tone correction,
and color adjustments, saving custom setting groups, and configuring
EPSON TWAIN Pro.
Troubleshooting provides solutions to problems you may encounter.
At the end, you’ll find a Glossary and an Index.

Introduction Page 10
Where to Get Help
EPSON provides customer support through the following services:
Electronic support services
Service Access
World Wide Web From the Internet, you can reach EPSON’s Home Page at
http://www.epson.com.
EPSON Internet FTP
Site If you have Internet FTP capability, use your Web browser (or other software for FTP downloading) to log onto ftp.epson.com with the user
name anonymous and your e-mail address as the password.
EPSON Download
Service You can call the EPSON Download Service at [phone]. Set your communications software to 8 data bits, 1 stop bit, no parity. Modem
speed can be up to 28.8 Kbps.
EPSON Forum on
CompuServe®Members of CompuServe can type GO EPSON at the menu prompt to
reach the Epson America Forum. For a free introductory CompuServe
membership, call [phone] and ask for representative #529.