Epson Gt20000 User Guide

							
User’s Guide
NPD3453-00 
						

							Copyright and Trademarks2
GT-20000 User’s Guide
Copyright and Trademarks
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. No patent liability is assumed with respect to the use of the information contained herein. 
Neither is any liability assumed for damages resulting from the use of the information contained herein.
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 the purchaser or third parties as a result of: accident, misuse, or 
abuse of this product or unauthorized modifications, repairs, or alterations to this product.
Seiko Epson Corporation and its affiliates shall not be liable against 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.
EPSON
® is a registered trademark, and EPSON Perfection™ and Epson Exceed Your Vision are trademarks of 
Seiko Epson Corporation.
Microsoft
®, Windows®, and Windows Vista® are registered trademarks of Microsoft Corporation.
Adobe®, Adobe Reader®, Acrobat®, and Photoshop® are registered trademarks of Adobe Systems Incorporated.
Apple®, ColorSync®, and Macintosh® are registered trademarks of Apple Inc.
Presto! PageManager® is a registered trademark of NewSoft Corp.
ABBYY® and ABBYY FineReader® names and logos are registered trademarks of ABBYY Software House.
PRINT Image Matching™ and the PRINT Image Matching logo are trademarks of Seiko Epson Corporation. 
Copyright © 2001 Seiko Epson Corporation. All rights reserved.
Intel
® is a registered trademark of Intel Corporation.
PowerPC® is a registered trademark of International Business Machines Corporation.
EPSON Scan Software is based in part on the work of the Independent JPEG Group.
libtiff
General Notice: Other product names used herein are for identification purposes only and may be trademarks of 
their respective companies.
Copyright © 2008 Seiko Epson Corporation. All rights reserved.Copyright © 1988-1997 Sam Leffler
Copyright © 1991-1997 Silicon Graphics, Inc.
Permission to use, copy, modify, distribute, and sell this software and its documentation for 
any purpose is hereby granted without fee, provided that (i) the above copyright notices 
and this permission notice appear in all copies of the software and related 
documentation, and (ii) the names of Sam Leffler and Silicon Graphics may not be used in 
any advertising or publicity relating to the software without the specific, prior written 
permission of Sam Leffler and Silicon Graphics.
THE SOFTWARE IS PROVIDED AS-IS AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, 
IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF 
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL, 
INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES 
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED 
OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN 
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
						

							Contents3
GT-20000 User’s Guide
Copyright and Trademarks
Safety Instructions
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Restrictions on Copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
Chapter 1  Overview of Your Scanner Features
Color Restoration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Dust Removal  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Backlight Correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
Optional Network Image Express Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
Optional Automatic Document Feeder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
Chapter 2  Guide to the Scanner Parts
Scanner Parts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
Lights and Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
Chapter 3  Placing Originals on the Scanner
Placing Documents or Photos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
Placing Large or Thick Documents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
Chapter 4  Scanning Your Originals
Starting Epson Scan  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
Using the Start Button  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
Using the EPSON Scan Icon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
Using Another Scanning Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
Selecting an Epson Scan Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
Changing the Scan Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
Scanning in Office Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Scanning in Home Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25
Scanning in Professional Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
Contents 
						

							Contents4
GT-20000 User’s Guide
Selecting File Save Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Detailed Setting Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Selecting the Scan Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32
Previewing and Adjusting the Scan Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
Adjusting the Color and Other Image Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39
Selecting the Scan Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  45
Finishing the Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  49
Chapter 5  Scanning Special Projects
Restoring Color  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50
Color Restoration in Home Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50
Color Restoration in Professional Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  51
Using the Color Palette Feature (for Professional Mode Only)  . . . . . . . . . . . . . . . . . . .  52
Removing Dust Marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Dust Removal in Home Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  56
Dust Removal in Professional Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
Fixing Backlit Photos   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
Backlight Correction in Home Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
Backlight Correction in Professional Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  59
Scanning to a PDF File  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Scanning to a PDF File in Office Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
Scanning to a PDF File in Home Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
Scanning to a PDF File in Professional Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  73
Converting Scanned Documents Into Editable Text  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  79
Converting into Editable Text in Office Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  79
Converting into Editable Text in Home Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  81
Converting into Editable Text in Professional Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . .  82
Assigning a Program to the Start Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  84
Assigning a Program With Windows Vista . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  84
Assigning a Program With Windows XP  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  85
Assigning a Program With Windows 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  86
Chapter 6  Connecting the Scanner Using the SCSI Interface (for Windows 
Only)
Setting Up the SCSI Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  88
Setting the SCSI ID Number  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  88
Setting the Terminator Switch  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  89
Connecting the Scanner  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  89 
						

							Contents5
GT-20000 User’s Guide
Chapter 7  Using the Optional Network Image Express Card
About the Optional Network Image Express Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  91
Setting Up Client Computers for Network Scanning  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  91
Installing the TCP/IP Protocol  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  91
Scanning Over a Network  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  95
Starting Epson Scan Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  95
Scanning an Image  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  98
Chapter 8  Using the Optional Automatic Document Feeder
About the Optional Automatic Document Feeder  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  100
Unpacking the Automatic Document Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  100
Installing the Automatic Document Feeder  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  101
Loading Documents in the Automatic Document Feeder  . . . . . . . . . . . . . . . . . . . . . . . . . .  103
Document Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  103
Loading Documents in the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  105
Placing Documents on the Document Table With the ADF Installed . . . . . . . . . . . . . .  106
Scanning Using the Automatic Document Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  108
Scanning in Office Mode Using the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  108
Scanning in Professional Mode Using the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  110
Chapter 9  Maintenance
Cleaning the Scanner  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Replacing the Scanner Lamp  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  113
Transporting the Scanner  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  113
Chapter 10  Troubleshooting
Scanner Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Error Indicators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  114
The Scanner Does Not Turn On  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  115
The Scanner Does Not Turn Off  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  115
You Cannot Start Epson Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  115
Pressing the Start Button Does Not Start the Correct Program . . . . . . . . . . . . . . . . . .  117
Optional Automatic Document Feeder Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
You Cannot Scan Using the ADF  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
Paper Jams in the ADF  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
Scanning Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
You Cannot Scan Using the Thumbnail Preview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  121
You Have Trouble Adjusting the Scan Area in the Thumbnail Preview . . . . . . . . . . . .  121 
						

							Contents6
GT-20000 User’s Guide
You Cannot Scan Multiple Images at One Time  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  121
Scanning Takes a Long Time  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  122
Scan Quality Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  122
The Edges of Your Original Are Not Scanned . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  122
You See Only a Few Dots in Your Scanned Image . . . . . . . . . . . . . . . . . . . . . . . . . . .  122
A Line or Line of Dots Always Appears in Your Scanned Images . . . . . . . . . . . . . . . .  123
Straight Lines in Your Image Come Out Crooked . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123
Your Image Is Distorted or Blurred  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123
Colors Are Patchy or Distorted at the Edges of Your Image . . . . . . . . . . . . . . . . . . . .  124
Your Scanned Image Is Too Dark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  124
An Image on the Back of Your Original Appears in Your Scanned Image. . . . . . . . . .  125
Ripple Patterns Appear in Your Scanned Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
Characters Are Not Recognized Well  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
Scanned Colors Differ From the Original Colors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  126
Images are Rotated Incorrectly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  127
Uninstalling Your Scanning Software  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  127
Uninstalling Epson Scan  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  128
Uninstalling the User’s Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  129
Uninstalling other Epson applications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  131
Appendix A  Where To Get Help
Technical Support Web Site  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  133
Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  133
Before Contacting Epson . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  133
Help for Users in North America  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  134
Help for Users in Latin America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  135
Help for Users in Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  135
Help for Users in Australia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  135
Help for Users in Singapore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  136
Help for Users in Thailand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  137
Help for Users in Vietnam  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  137
Help for Users in Indonesia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  137
Help for Users in Hong Kong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  138
Help for Users in Malaysia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  139
Help for Users in India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  140
Help for Users in the Philippines  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  141
Appendix B  Technical Specifications
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  142
Windows System Requirements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  142
Macintosh System Requirements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  142 
						

							Contents7
GT-20000 User’s Guide
Scanner Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
General  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  143
Electrical  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Environmental  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  144
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Standards and Approvals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  145
Optional Automatic Document Feeder Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  146
General  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Electrical  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Environmental  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  146
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  146
Index 
						

							Safety Instructions8
GT-20000 User’s Guide
Safety Instructions
Important Safety Instructions
Read all these instructions, and follow all warnings and instructions marked on the 
scanner. 
❏In this document, warnings, cautions, and notes indicate the following:
w
Warnings
must be followed carefully to avoid bodily injury.
c
Cautions
must be observed to avoid damage to your equipment.
Notes
contain important information and useful tips on the operation of this product.
❏Place the scanner close enough to the computer for the interface cable to reach it 
easily. Do not place or store the scanner or the power cord outdoors, near excessive 
dirt or dust, water, heat sources, or in locations subject to shocks, vibrations, high 
temperature or humidity, direct sunlight, strong light sources, or rapid changes in 
temperature or humidity. Do not use with wet hands.
❏Place the scanner near an electrical outlet where the power cord can be easily 
unplugged.
c
Caution:
Be sure the power cord meets the relevant local safety standards.
❏The power cord should be placed to avoid abrasions, cuts, fraying, crimping, and 
kinking. Do not place objects on top of the adapter cord and do not allow the cord to be 
stepped on or run over.
❏Use only the power cord that comes with your scanner. Using any other power cord 
could cause fire, electrical shock, or injury. 
❏The power cord is designed for use with the scanner with which it was included. Do not 
attempt to use it with other electronic devices unless specified.
❏Use only the type of power source indicated on the scanner’s label. 
						

							Safety Instructions9
GT-20000 User’s Guide
❏When connecting this product to a computer or other device with a cable, ensure the 
correct orientation of the connectors. Each connector has only one correct orientation. 
Inserting a connector in the wrong orientation may damage both devices connected by 
the cable.
❏Avoid using outlets on the same circuit as photocopiers or air control systems that 
regularly switch on and off.
❏If you use an extension cord with the scanner, make sure the total ampere rating of the 
devices plugged into the extension cord does not exceed the cord’s ampere rating. 
Also, make sure the total ampere rating of all devices plugged into the wall outlet does 
not exceed the wall outlet’s ampere rating.
❏Never disassemble, modify, or attempt to repair the scanner or scanner option by 
yourself except as specifically explained in the scanner’s guides.
❏Do not insert objects into any opening as they may touch dangerous voltage points or 
short out parts. Beware of electrical shock hazards.
❏If damage occurs to the plug, replace the cord set or consult a qualified electrician. If 
there are fuses in the plug, make sure you replace them with fuses of the correct size 
and rating.
❏Unplug the scanner, and refer servicing to qualified service personnel under the 
following conditions: The power cord or plug is damaged; liquid has entered the 
scanner; the scanner has been dropped or the case has been damaged; the scanner 
does not operate normally or exhibits a distinct change in performance. (Do not adjust 
controls that are not covered by the operating instructions.)
❏Unplug the scanner before cleaning. Clean with a damp cloth only. Do not use liquid or 
aerosol cleaners.
❏If you are not going to use the scanner for a long period, be sure to unplug the power 
cord from the electrical outlet.
w
WARNING for United States users:
The cords included with this product contain chemicals, including lead, known to the State of 
California to cause birth defects or other reproductive harm. Wash hands after handling. 
(provided in accordance with Proposition 65 in Cal. Health & Safety Code § 25249.5 et seq)
Restrictions on Copying
Observe the following restrictions to ensure responsible and legal use of your scanner.
Copying of the following items is prohibited by law: 
						

							Safety Instructions10
GT-20000 User’s Guide
❏Bank bills, coins, government-issued marketable securities, government bond 
securities, and municipal securities
❏Unused postage stamps, pre-stamped postcards, and other official postal items 
bearing valid postage
❏Government-issued revenue stamps, and securities issued according to legal 
procedure
Exercise caution when copying the following items:
❏Private marketable securities (stock certificates, negotiable notes, checks, etc.), 
monthly passes, concession tickets, etc.
❏Passports, driver’s licenses, warrants of fitness, road passes, food stamps, tickets, etc.
Note:
Copying these items may also be prohibited by law.
Responsible use of copyrighted materials
Scanners can be misused by improperly copying copyrighted materials. Unless acting on 
the advice of a knowledgeable attorney, be responsible and respectful by obtaining the 
permission of the copyright holder before copying published material.