
ES3640 Series MFP
High-quality business color for all
your communications needs.
Color Multifunctional Systems:
ES3640e MFP
ES3640ex MFP
ES3640e MFP GA (Graphic Arts)
ES3640ex MFP GA (Graphic Arts)

Introducing the color-centric business communications
solution that offers outstanding image quality, unmatched
reliability, and a significant return on your investment.
The ES3640ex MFP Color
Multifunctional System
comes with 1 x 530-sheet
paper tray and a 1,590 sheet high- capacity feeder
standard.
Your business thrives on color—and large, impactful
color documents are part of your daily communications. Think about how many tabloid-size newsletters
and brochures, ad layouts, enlargements of photos
and illustrations, information-packed spreadsheets,
signs and posters you design.
Not to mention the countless letter- and legal-size
pages with color in them. Now figure how much all that
color printing and copying is costing you…
You need the in-house Color CreationCenter to increase
your productivity and lower your expenses.
In other words, you need an ES3640 Series MFP Color
Multifunctional System from OKI Printing Solutions.
Highlights:
• Network printing in full color at up to 36 ppm,
black & white (mono) at up to 40 ppm
• Copies in full color at up to 36 cpm,
black & white at up to 40 cpm
• Duplex (2-sided) printing and 20 GB hard disk drive,
both standard
• Color Duplex Auto Document Feeder (ADF)—scans both
sides of a color document simultaneously
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1
• IEEE-1394 Firewire interface between scanner and printer
enables faster data throughput, quicker copy speeds and
faster first-copy-out time (FCOT)
• Includes software that enables integrated e-mail, network
faxing, document processing and color management
• “Scan-to” features enable creation of electronic files and
images from hard copy originals; scan image to color
viewer; scan to archive, e-mail, file server and fax server
• 600 x 600 dpi scanning resolution, true 1200 x 1200 dpi
print resolution for clear, sharp text and graphics
• 8.4-sq. in. color LCD touch-screen scanner operator
panel—easy menu control of document type, color density,
paper trays, duplex copying
• 50-sheet ADF supports up to tabloid-size documents;
230-sheet multi-purpose tray (on printer) handles up to
banner-size sheets
• 13 preset copy scaling keys for one-touch operation;
zoom range from 25% to 400% in 1% increments
• Single Pass Color™ Digital technology—printer handles
up to 150 lb. index card stock; prints on sheets up to
12.9" x 47.24" long
• Job Accounting software and Web-based printer
management utility standard
• Optional Finisher/Stapler and Hole Punch units
• Total support from your local Authorized OKI Printing
Solutions Provider
• Toll-free, live technical assistance 24/7/365:
1.800.OKI.DATA (800.654.3282)
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Published perform ance results based on la boratory testing .
Individual re sults may vary.
2
ES3640ex and E S3640ex GA model s only.
3
Available in the U. S. and Canada only.
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2

Bring the world of high-speed color multifunctional
convenience to your office—with color management
and a wide range of standard “scan-to” features.
Duplexing ADF—scans both sides
of a color document simultaneously
Designed to improve productivity—
with breathtaking results.
Don’t make your workgroup run to the corporate copy
center every time they need color copies or printouts.
Give them the convenience, flexibility and superior
quality of the ES3640 Series MFP Color Multifunctional
Systems from OKI Printing Solutions. Take advantage of
™
Single Pass Color
Digital technology for brilliant printand-copy output on a wide variety of media—and enjoy
a laundry list of “scan-to” functionality.
Use your MFP systems to:
• Print full-color documents as fast as 36 pages per
1
minute or black & white pages at up to 40 ppm
.
• Produce up to 999 color copies from an original
page or graphic—directly from your PC or via the
network—at up to 36 copies per minute or black &
1, 2
.
white copies at up to 40 cpm
• Send a fax over the network directly from Microsoft®
Office documents, e-mail clients, Web clients and
3
API Toolkit-enabled applications.
• Scan hard-copy documents or artwork and save them
as PDF, JPEG or TIFF files on your PC.
• Fill in the recipient’s e-mail address (“To”) and the
“Subject” line on the full-color touch-screen LCD
display (just as you would on your PC), then:
• Send a file as an attachment via your Ethernet
network and SMTP server.
• Send a file over the Internet to a folder on a
remote PC, a designated server (FTP site) or,
through PSTN protocols, to a fax machine.
• Simply drop a file in the Hold queue or
personalized mailboxes on the system’s
20 GB hard disk drive.
The ES3640 Series MFP Operator Panel
LCD screen
navigation buttons
1
Published perform ance results based on la boratory testing . Individual results
may vary.
2
First copy out at up to 16 cpm color, 36 cpm mono.
3
Requires PC (Windo ws® XP, 2000 or NT) e quipped with Group III ,
Class 1 or 2 fa x modem.
8.4-sq. in. LCD touch-screen Power and
Function/Mode settings Power, Interrupt
Numeric keypad for
inserting ID codes, etc.
Copy and Start/Stop
buttons
and Help keys
Attention LEDs