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2361 McGaw Ave
Irvine, California 92614
PHONE: (949) 660-7080
FAX: (949) 975-1557

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PANTONE 1245

E P S O N   P E R F E C T I O N   1 6 4 0 S U   S C A N N E R   S P E C I F I C A T I O N S

Scanner Type

Flatbed color image scanner

Scanning Method

Movement of reading head

Photoelectric Device

Color MatrixCCD line sensor

Maximum Read Area

8.5" x 11.7" (216mm x 297mm)

Light Source

Cold cathode fluorescent lamp

CCD Resolution

1600 dpi

Hardware Resolution

1600 x 3200 dpi maximum with Micro Step Drive™ technology

Maximum Resolution

12800 x 12800 dpi with software interpolation

Effective Pixels

13,600 x 18,720

Image Data

Color Depth

42-bits per pixel internal
42-bits per pixel external (selectable)

Grayscale Depth

14-bits per pixel internal
14-bits per pixel external (selectable)

Line Art

1-bit per pixel

Optical Density

3.2 Dmax

Reading Sequence

One-pass scanning

Scanning Speed (1600 dpi, draft mode)

256 gray level 

8.7 msec/line (approx.)

Full color

3.0 msec/line (approx.)

Operating Systems Supported

PC

Windows 95, 98, 2000 or NT

Macintosh

Macintosh OS 8.0 or later

Minimum System Requirements

Windows and Macintosh Requirements

50MB of available hard disk space (minimum)
CD-ROM drive (4x or faster)
VGA Monitor and Display Adapter with at least 256 colors
Available USB or SCSI connection
Mouse or pointing device

Additional Windows Requirements

IBM

®

compatible PC with Pentium

®

equivalent or higher processor

SCSI: Windows 95, 98, 2000 or NT operating system
USB: Windows 98 (factory installed) or Windows 2000

operating system

32MB RAM (64MB recommended)

Additional Macintosh Requirements

iMac™ computer or any USB enabled Macintosh computer with

System 8.5 or later

SCSI: System 8.0 or later 
USB: System 8.5 or later
32MB RAM (64MB recommended)

Interfaces

USB and SCSI

Contents

EPSON Perfection 1640SU scanner 
CD-ROM with EPSON TWAIN scanning software and premium software
USB cable
EPSON Scanner Basics Guide
Transparency unit *
Automatic document feeder **

Reliability

MCBF

30,000 cycles

Environmental Conditions

Temperature

Operating 41˚F to 95˚F
(5˚C to 35˚C)

Humidity

Operating 10% to 80%
Storage 10% to 85%
(no condensation)

Power Requirements

Voltage

AC100—120V

Frequency

49.5—60.5Hz

Power Consumption

25W

Physical Dimensions (scanner only)

Width

11.4" (28.9 cm)

Depth 

17.4" (44.2 cm)

Height

3.78" (9.6 cm)

Weight

9.91 lb (4.5 kg)

Optional Accessories

Transparency Unit 

Scans 35mm to 4" x 5" film, 
negatives or transparencies

Automatic Document Feeder Scans up to 30 pages of letter

or legal size documents

Product/Accessory Part Numbers

EPSON Perfection 1640SU Scanner

B126021

EPSON Perfection 1640SU PHOTO Scanner

B126111

EPSON Perfection 1640SU OFFICE Scanner

B126201

Transparency Unit

B813172

Automatic Document Feeder

B813222

Warranty

One year limited warranty in the U.S. and Canada

Support–The Epson Connection

SM

Pre-Sales Support U.S. and Canada

800-463-7766

Automated Technical Support

800-922-8911

Internet Website

www.epson.com

Specifications are subject to change without notice. EPSON is a registered trademark and MatrixCCD is a trademark of Seiko Epson Corporation. EPSON
Perfection and ColorTrue are registered trademarks, Micro Step Drive is a trademark and Epson Connection is a service mark of Epson America, Inc. All other
product and brand names are trademarks and/or registered trademarks of their respective companies. Epson disclaims any and all rights in these marks. As an
E

NERGY

S

TAR

Partner, Epson America, Inc. has determined that this product meets the E

NERGY

S

TAR

guidelines for energy efficiency. The E

NERGY

S

TAR

emblem does

not represent EPA endorsement of any product or service. © Copyright 2000 Epson America, Inc. CPD-10893 50K 8/00 WP

Epson America, Inc.

3840 Kilroy Airport Way, Long Beach, CA 90806

Epson Canada, Ltd.

550 McNicoll, Willowdale, Ontario M2H 2E1

Epson Latin America, Inc.

6303 Blue Lagoon Drive, Miami, FL 33126   305-265-0097

Printed on recycled paper

* Transparency unit only included on the EPSON Perfection 1640SU PHOTO.

** Automatic document feeder only included on the EPSON Perfection 

1640SU OFFICE.

www.epson.com

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