Epson Gt20000 User Guide

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GT-20000 User’s Guide
Help for Users in the Philippines
New :For All productsTo obtain technical support as well as other after sales services, users are welcome to 
contact the Epson Philippines Corporation at the telephone and fax numbers and e-mail 
address below:
World Wide Web (http://www.epson.com.ph)
Information on product specifications, drivers for download, Frequently Asked Questions 
(FAQ), and E-mail Enquiries are available.
Epson Helpdesk (Phone: (63) 2-813-6567)
Our Hotline team can help you with the following over the phone:
❏Sales enquiries and product information
❏Product usage questions or problems
❏Enquiries on repair service and warranty
Phone: (63) 2-813-6567
Fax: (63) 2-813-6545
E-mail: [email protected] 
						

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Appendix B 
Technical Specifications
System Requirements
Make sure your system meets the requirements in these sections before using it with your 
scanner.
Windows System Requirements
Macintosh System Requirements
Note:
Epson Scan does not support the UNIX File System (UFS) for Mac OS X. You must install Epson 
Scan on a disk or in a partition that does not use UFS.
System Microsoft Windows Vista Home Basic Edition, Vista Home Premium Edition, 
Vista Business Edition, Vista Enterprise Edition, Vista Ultimate Edition, XP 
Home Edition, XP Professional Edition, XP Professional x64 Edition, or 2000 
Professional
(Operating systems upgraded from Windows Millennium Edition, 98, or 95 
are not supported by the software.)
USB 2.0 Host Driver by Microsoft must be used.
Interface USB port (Type A) built into the main board
Adaptec
® SCSI adapter
Display Color monitor with 800 × 600 screen resolution or higher, and 24-bit (Full 
Color) color
(Color and tone reproduction are subject to the display capability of your 
computer system, including the video card, display monitor, and software. 
See your system documentation for details.)
System PowerPC or Intel processor-based Macintosh computers running Mac OS X 
10.2.8 or later. Fast User Switching on Mac OS X or later is not supported.
Interface Macintosh USB
Display Color monitor with 800× 600 screen resolution or higher, and millions of 
colors
(Color and tone reproduction are subject to the display capability of your 
computer system, including the video card, display monitor, and software. 
See your system documentation for details.) 
						

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Scanner Specifications
Note:
Specifications are subject to change without notice.
General
Note:
Optional optical resolution is the maximum scan resolution of the CCD elements, using the 
definition of ISO 14473. ISO 14473 defines optical resolution as the fundamental sampling rate of 
the scan sensor.
Mechanical
Scanner type Flatbed color
Photoelectric 
deviceColor CCD line sensor
Effective pixels 7,020 × 10,200 pixels at 600 dpi
Scanning area may be restricted if resolution setting is large.
Document size 297 × 432 mm (11.7 × 17.0 inches) A3 or US B size
Scanning resolution 600 dpi (main scan)
1200 dpi with Micro Step (sub scan)
Output resolution 50 to 9600 dpi 
Image data 16 bits per pixel per color internal
1 to 8 bits per pixel per color external
Interface One USB 2.0 Hi-speed port
SCSI (50-contact high-density)
Light source Xenon gas fluorescent lamp
Dimensions Width: 656.0 mm (25.8 inches)
Depth: 458.0 mm (18.0 inches)
Height: 158.0 mm (6.2 inches)
Weight Approx. 13.5 kg (29.8 lb) 
						

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Electrical
Scanner
Environmental
Interfaces
USB Interface
Rated voltage Universal Power Supply AC 100 to 240 V (AC ±10% V)
Rated input current 0.8 to 0.3 A
Power consumption 50 W operating (without optional ADF)
75 W operating (with optional ADF)
6.2 W or lower in sleep mode (without optional ADF)
0.1 W or lower in power off mode (without optional ADF)
Temperature Operating 5 to 35 °C (41 to 95 °F)
Storage –25 to 60 °C (–13 to 140 °F)
Humidity Operating 10 to 80%, without condensation
Storage 10 to 85%, without condensation
Operating conditions Ordinary office or home conditions.
Avoid operating the scanner in direct sunlight, near a 
strong light source, or in extremely dusty conditions.
Interface type Universal Serial Bus Specification Revision 2.0
Electrical 
standardFull Speed mode (12 Mbits per second) and Hi-Speed mode (480 
Mbits per second) of Universal Serial Bus Specification Revision 2.0.
Connector type One Type B port 
						

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SCSI Interface
* Logical Unit Number is fixed to 0 and command link function is not supported.
Standards and Approvals
U.S. model:
European model:
Interface type ANSI X3T9.2/375R Revision 10L (SCSI2)
Functions BUS FREE Phase
ARBITRATION phase
SELECTION/RESELECTION phase
COMMAND phase*
DATA IN phase
DATA OUT phase
STATUS phase
MESSAGE IN phase
MESSAGE OUT phase
ATTENTION CONDITION
RESET CONDITION
Connector type Two connectors (50-contact high-density)
Safety UL60950-1
CAN/CSA-C22.2 No. 60950-1
EMC FCC Part 15 Subpart B Class B
CAN/CSA-CEI/IEC CISPR22 Class B
Low Voltage Directive 2006/95/EC
EMC Directive 2004/108/ECEN 60950-1
EN 55022 Class B
EN 55024
EN 61000-3-2
EN 61000-3-3 
						

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Optional Automatic Document Feeder Specifications
General
Electrical
Environmental
Mechanical
Product code B81321✽
Paper input Face-up loading
Paper output Face-down ejection
Paper capacity 100 sheets (80 g/m
2 paper)
Paper types Bond paper, fine-quality paper, check paper, and recycled 
paper
Rated voltage DC 24 V, DC 5 V
Input voltage DC 24 V ±10%
DC 5 V ±5%
Input current 24 V: 1.5 A
5 V: 0.4 A
Temperature Operating 5 to 35 °C (41 to 95 °F)
Storage –25 to 60 °C (–4 to 140 °F)
Humidity Operating 10 to 80%, without condensation
Storage 10 to 85%, without condensation
Dimensions Width: 605.0 mm (23.8 inches)
Depth: 488.0 mm (19.2 inches)
Height: 134.0 mm (5.3 inches)
Weight Approx. 13.0 kg (28.7 lb) 
						

							Index147
GT-20000 User’s Guide
A
ABBYY FineReader, 79
ADF connector
connecting cable to
, 103
Automatic Document Feeder
document specifications
, 104
installing
, 101
parts
, 100
placing documents on glass with ADF installed
, 
106
unpacking
, 100
B
Backlight Correction, 58
Buttons, scanner
assigning programs to
, 84
problems
, 117
C
Cleaning the scanner, 112
Color
problems
, 124, 126
Color Restoration
, 50
Contacting Epson
, 133
Converting scan to editable text
, 79
Correcting backlit photos
, 58
D
Dark images, fixing, 58, 124
Documents or photos
correcting backlighting in
, 58
large
, 18
placing on scanner
, 16
removing dust marks from
, 55
restoring color in
, 50
scanning to PDF
, 60
thick
, 18
Dust Removal
, 55
E
Editable text, converting scan to, 79
Epson Scan
uninstalling
, 128
Errors, scanner
, 114
F
Faded photos, fixing, 50
H
Help
Epson
, 133
Home Mode
basic settings
, 25
L
Lamp
replacing
, 113
Large documents
, 18
Lights, scanner
error indications
, 114
status
, 114
N
Network Image Express Card
client computer setup
, 91
scanning over network
, 95
TCP/IP protocol
, 91
O
OCR (Optical Character Recognition), 79
OCR problems
, 125
Office Mode
basic settings (ADF)
, 23
Operating system, upgrading
, 127
P
Parts, scanner, 13
PDF, scanning to
, 60
Index 
						

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Photos or documents
correcting backlighting in
, 58
large
, 18
placing on scanner
, 16
removing dust marks from
, 55
restoring color in
, 50
scanning to PDF
, 60
thick
, 18
Problems, solving
contacting Epson
, 133
scan quality
, 122
Professional Mode
basic settings
, 27
R
Removing dust marks, 55
Restoring color
, 50
S
Scanner
cleaning
, 112
lights
, 114
parts
, 13
placing documents or photos on
, 16
placing large or thick documents on
, 18
replacing lamp
, 113
specifications
, 143
system requirements
, 142
transporting
, 113
Scanner buttons
assigning programs to
, 84
problems
, 117
Scanner software
assigning scanner button to
, 84
system requirements
, 142
uninstalling
, 127
Scan quality problems
, 122
Service
, 133
Specifications
Automatic Document Feeder
, 146
documents in Automatic Document Feeder
, 104
scanner
, 143
Start button
assigning program to
, 84problems
, 117
System requirements
, 142
T
TCP/IP protocol, 91
Technical support
, 133
Text, converting scan to
, 79
Thick documents
, 18
Thumbnail preview
problems
, 121
Transporting the scanner
, 113
U
Uninstalling software, 127
USB
specifications
, 144
system requirements
, 142