Epson Expression 800 User manual

EPSON TWAIN Pro
User’s Guide
®

Page 2
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.

Introduction Page 11
Automated telephone services
Service Access
EPSON SoundAdviceSM For pre-recorded answers to commonly asked questions about EPSON
products 24 hours a day, seven days a week, call [phone].
EPSON FaxAdvice™Access EPSON’s technical information library by calling
[phone]. You must provide a return fax number to use this
service.
EPSON Referral
Service For the location of your nearest Authorized EPSON Reseller or Customer Care Center, call [phone].

Introduction Page 12
EPSON also provides technical support and information on the
installation, configuration, and operation of EPSON products. Dial
[phone] (U.S.) or [phone] (Canada), 6 A.M. to 6 P.M.,
Pacific Time, Monday through Friday.
Before you call, please have the following information ready:
◗Product name
◗Product serial number
◗Computer configuration
◗Description of the problem
You can purchase optional equipment, manuals, and accessories from
EPSON Accessories at [phone] (U.S. sales only). In Canada,
please call [phone] for dealer referral. For U.S. sales, you can
also visit our website at www.epsonsupplies.com.
If you need help
using software
with an EPSON
product, see the
documentation for
that program for
technical support
information.

Scanning from Your Application Software Page 13
Scanning from Your
Application Software
Before scanning, make sure you’ve installed the EPSON TWAIN Pro
software (as described in Setting Up and Using Your Scanner ) and the
application software that supports EPSON TWAIN Pro, such as Adobe
Photoshop.
®
This chapter gives you instructions on:
◗Basic Scanning
◗Previewing Your Scan
Basic Scanning
Follow the steps in this section to start EPSON TWAIN Pro and select the
settings for a basic scan of one image. To scan multiple images or use
advanced EPSON TWAIN Pro settings, see Advanced Scanning.
1Before you start your application software, make sure to set up and
turn on the scanner as described in
Setting Up and Using Your
Scanner . Then place the document you want to scan on the document
table.
2Start your application software.
If you start your
application software
before turning on
your scanner, the
software may not
work properly.
You usually need to
perform steps 3
and 4 only once,
when you use your
scanner and
TWAIN-compliant
software for the
first time.

Scanning from Your Application Software Page 14
3Select the scanner source. For example, choose Import or Acquire
from the File menu, and then select one of the following:
Windows 95, 98, NT 4.0: Select TWAIN_32 Source
Macintosh: Select TWAIN Source or TWAIN Select
4Then select one of the following in the Select Source dialog box:
Windows 95, 98, NT 4.0: EPSON TWAIN Pro(32-bit)
Macintosh: EPSON TWAIN Pro
5To open EPSON TWAIN Pro for scanning, choose Import or Acquire
from the File menu and then select one of the following:
Windows 95, 98, NT 4.0: TWAIN_32
Macintosh: TWAIN or TWAIN Acquire
The EPSON TWAIN Pro window appears.
For help anytime
you’re using EPSON
TWAIN Pro, click the
Help button.
The screen examples
in this book are from
EPSON TWAIN Pro
for Macintosh. The
Windows screens
look a bit different, but
they contain the
same options. Any
exceptions are noted
in the text.

Scanning from Your Application Software Page 15
To select your scanning settings, see Selecting Basic Settings below.
Selecting Basic Settings
For most scans, you need to check four basic settings: Document
Source, Image Type, Destination, and Resolution. You’ll also probably
want to preview the image to check it before the actual scan; for
instructions, see Previewing Your Scan.
1If you’re scanning a document from the scanner’s document table,
select Flatbed (default) as the Document Source setting. If you’ve
installed the optional auto document feeder or transparency unit on
your scanner, select one of the following options in the Document
Source list:
Document Source
settings for optional
equipment appear in
the list only when
that option is
installed.
If you’re scanning
positive, reflective
originals with
the optional
transparency unit
and its reflective mat
installed, be sure to
select Flatbed asthe
Document Source
option.
Document Source
options Description
Auto Document Feeder For scanning documents using the auto
document feeder
TPU for Neg. Film For scanning negative film (such as 35 mm
film strips) with the transparency unit
TPU for Pos. Film For scanning positive film (such as 35 mm
slides) with the transparency unit

Scanning from Your Application Software Page 16
2For best results, select an Image Type each time you scan. Image
types automatically select other TWAIN Pro settings and set the
ranges for your Image Controls.
* The 36-bit Color (HiFi) and 12-bit Gray (HiFi) settings are available only for
certain applications, such as Adobe Photoshop 4.0 or 5.0 (full version).
Image Type Default settings
36-bit Color
(HiFi)* Pixel Depth: 36-bit Color; Scanning Mode: Best; De-screening: Off
24-bit Color
(Std) Pixel Depth: 24-bit Color; Scanning Mode: Best; De-screening: Off
24-bit Color
De-screening Pixel Depth: 8-bit Gray; Scanning Mode: Best; De-screening: On; Dropout: None
12-bit Gray
(HiFi)* Pixel Depth: 12-bit Gray; Scanning Mode: Best; De-screening: Off; Dropout: None
8-bit Gray
(Std) Pixel Depth: 8-bit Gray; Scanning Mode: Best; De-screening: Off; Dropout: None
Line Art Pixel Depth: Black & White; Scanning Mode: Draft;
Dropout: None; B/W Option: None; Halftone: None
OCR Pixel Depth: Black & White; Scanning Mode: Best;
Dropout: None; B/W Option: Text Enhancement
Technology
Copy & Fax Pixel Depth: Black & White; Scanning Mode: Draft;
Dropout: None; B/W Option: Auto Area Segmentation;
Halftone: Model A (Hard tone)

Scanning from Your Application Software Page 17
You can also change the settings for these options or save your own
custom Image Types. See Customizing Image Types for more
information.
3Now select the output device where you want to display or print your
scanned image from the Destination list. These destinations
automatically select resolution and sharpness settings appropriate for
the output device. Select one of the following options:
Destination options Default settings
Screen Resolution: 72 Drawing/Halftone, 72 Photo;
Sharpness: 0
Screen Vivid Resolution: 72 Drawing/Halftone, 72 Photo;
Sharpness: +1
Prepress 175 lpi Resolution:350 Drawing/Halftone, 350 Photo;
Sharpness: 0
Prepress 150 lpi Resolution:300 Drawing/Halftone, 300 Photo;
Sharpness: 0
Prepress 133 lpi Resolution:266 Drawing/Halftone, 266 Photo;
Sharpness: 0
Prepress 120 lpi Resolution:240 Drawing/Halftone, 240 Photo;
Sharpness: 0
LineWork Scan Resolution: 1200 Drawing/Halftone, 600
Photo; Sharpness: +1
Stylus Photo Resolution: 720 Drawing/Halftone, 360 Photo;
Sharpness: +1
Sharpness settings
range from -2 (most
unfocused) to 2
(sharpest).

Scanning from Your Application Software Page 18
Stylus Photo 700 Resolution: 720 Drawing/Halftone, 360 Photo;
Sharpness: +1
Stylus Photo EX
Stylus COLOR Resolution: 720 Drawing/Halftone, 240 Photo;
Sharpness: +1
Stylus COLOR II
Stylus COLOR IIs
(Windows only)
Stylus COLOR 200
(Windows only)
Stylus COLOR 300
(Windows only)
Stylus COLOR 400
(Windows only)
Stylus COLOR 500
Stylus COLOR 600
Stylus COLOR 800
Stylus COLOR 850
Stylus Pro XL
Stylus Pro XL+
Stylus Pro 5000 Resolution: 720 Drawing/Halftone, 360 Photo;
Sharpness: +1
Destination options Default settings

Scanning from Your Application Software Page 19
You can also change the settings for these options or save your own
custom destinations. See Customizing Destination Settings for more
information.
4Most of the time, the Image Type and Destination settings you
choose automatically select the correct Resolution setting for your
image. If you need to change it, select a new setting from the
Resolution list, or enter a value in the Resolution textbox. The
resolutions listed are: 50, 72, 200, 240, 266, 300, 350, 360, 400, 600,
720, 800, 1200, 3200, 4800, 6400, and 12800 dpi.
Stylus 1500 Resolution: 720 Drawing/Halftone, 240 Photo;
Sharpness: +1
Stylus COLOR 1520
Stylus COLOR 3000
EPL-C8000 Resolution: 600 Drawing/Halftone, 200 Photo;
Sharpness: +1
InkJet Printer Resolution:720 Drawing/Halftone, 360 Photo;
Sharpness: +1
Laser Printer Resolution: 600 Drawing/Halftone, 200 Photo;
Sharpness: +1
FAX Resolution: 200 Drawing/Halftone, 200 Photo;
Sharpness: +1
OCR Resolution: 300 Drawing/Halftone, 300 Photo;
Sharpness: 0
Destination options Default settings
Keep in mind that the
Resolution setting is
closely related to the
Target height and
width and Scale
settings, and
drastically affects
your file size.

Scanning from Your Application Software Page 20
5It’s a good idea to preview your image before you actually scan so you
can make any necessary changes. See Previewing Your Scan for
preview instructions. See Advanced Scanning for information on the
rest of the TWAIN Pro settings.
6When you’re ready to scan, click the Scan button. The scanned image
appears in your application window.
7If necessary, click the Close button to close the EPSON TWAIN Pro
window and return to your application.
To modify or save your scanned image using your application
software, see your software documentation.