COLOR JETPRINTER 4079 PLUS BY LEXMARK PROVIDES COLOR PRINTING AND
CONNECTIVITY TO NETWORK SYSTEMS

Color Never Looked So Good, or Printed This Fast, Even On A Network

GREENWICH, Conn., May 15, 1995 . . . Lexmark International, Inc. today
unveiled an enhanced inkjet color printer with PostScript Level 2
compatibility and advanced network printer management capability as
standards. Compared to its predecessor, the IBM Color Jetprinter PS 4079,
the Color Jetprinter 4079 plus by Lexmark features significant upgrades to
its predecessor:

* Broader color range with PostScript Level 2 emulation
* Enhanced speed through Job Overlap Processing
* Network management through award-winning MarkVision software
* Compatibility with PC, Apple Macintosh and UNIX environments

The 4079 plus comes with Lexmark's PostScript Level 2 emulation which
provides the user the ability to apply image diffusion algorithms to the
printer's output. Pairing this algorithm with the true 360 x 360
resolution of the 4079 plus produces astonishing images that are sharper
and more detailed than those produced by many color laser printers costing
more than twice as much. Because each color plane is created by the image
diffusion algorithm independently from all of the others, there is less
overlap of color on any given point on the page. With Lexmark's ColorGrade
system, each color is available in 256 shades that can be combined to
create nearly 16.7 million colors. The four color cartridges,
cyan/magenta/yellow/black (CMYK), are easily installed and will each print
205 pages at 15 percent coverage.

The 4079 plus prints up to one page per minute in color and up to 1.7 pages
per minute in monochrome. A feature known as Job Overlap Processing allows
the printer to process the second and subsequent pages while the first
page is being printed. If the second and subsequent pages can be processed
in less time than it takes to print the first page, the printer never
stops printing. On some series of jobs, the 4079 plus can process and
store many pages before the first page has been completely printed.
Printing speeds are also increased through the printer's high-speed IEEE
1284 compliant bidirectional parallel port that can handle up to 1 MB of
data per second, enabling a faster transfer of the print job from computer
to printer. The Job Overlap Processing feature is made possible by
increased processing power and advanced memory compression. The 4079 plus
features a 25 MHz AMD 29030 full 32-bit RISC processor and comes with 4 MB
standard memory, upgradeable to 36 MB. An optional 40 MB hard disk will be
available later this year.

With MarkVision, Lexmark's award-winning printer management software, the
4079 plus provides two-way communication between printers and PCs. Network
administrators can use MarkVision to manage and monitor the status of
printers and detect and correct printing problems. MarkNet XLe external
network adapters can be installed with any 4079 plus to connect with
TokenRing, Ethernet and 10Base T and 10Base 2 network adapters using
TokenTalk and EtherTalk protocols.

The 4079 plus offers maximum compatibility with leading industry standard
hardware and software. It emulates both PostScript Level 2 and GL
(Plotter) with improved HP 7550A compatibility. It offers connectivity
with Windows, Apple System 7, OS/2, and AIX operating systems.

The 4079 plus supports a wide range of media types and sizes with automatic
sheet feed up to 11 " x 17". Its large-scale capability makes the 4079
plus a particularly attractive color printer for graphic designers,
scientists, design engineers and other professionals such as cartographers
who need high resolution color printing. It is also an affordable printer
for businesses that require professional quality color printing on a
network.

The additional power and capability provided by the Color Jetprinter 4079
plus by Lexmark, with all its enhanced features, costs no more than its
predecessor; it has the same footprint and the same estimated street price
($2,699). Extremely reliable and easy to use in all environments, the 4079
plus has a one-year on-site warranty with optional extended warranties
available. The product is now available through Lexmark authorized printer
dealers.

Lexmark International, a former division of IBM, is an independent
worldwide company that develops, manufactures and markets network and
personal printers, typewriters, information processing supplies and
keyboards.

For additional product information call 1-800-358-5835.

Lexmark International Inc
55 Railroad Ave
Greenwich, CT 06836

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