The following paragraph does not apply to any country where such
provisions are inconsistent with local law: LEXMARK
INTERNATIONAL, INC., PROVIDES THIS PUBLICATION “AS IS”
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FIT N ESS FOR A
PARTICULAR PURPOSE. Some states do not allow disclaimer of
express or implied warranties in certain transactions; therefore, this
statement may not apply to you.
This publication could include technical inaccuracies or typographical
errors. Changes are periodically made to the information herein; these
changes will be incorporated in later editions. Improvements or changes
in the products or the programs described may be made at any time.
Comments about this publication may be addressed to Lexmark
International, Inc., Department F95/032-2, 740 West New Circle Road,
Lexington, Kentucky 40550, U.S.A. In the United Kingdom and Eire, send
to Lexmark International Ltd., Marketing and Services Department,
Westhorpe House, Westhorpe, Marlow Bucks SL7 3RQ. Lexmark may
use or distribute any of the information you supply in any way it believes
appropriate without incurring any obligation to you. You can purchase
additional copies of publications related to this product by calling 1-800553-9727. In the United Kingdom and Eire, call 0628-481500. In other
countries, contact your point of purchase.
References in this publication to products, programs, or services do not
imply that the manufacturer intends to make these available in all
countries in which it operates. Any reference to a product, program, or
service is not intended to state or imply that only that product, program,
or service may be used. Any functionally equivalent product, program, or
service that does not infringe any existing intellectual property right may
be used instead. Evaluation and verification of operation in conjunction
with other products, programs, or services, except those expressly
designated by the manufacturer, are the user’s responsibility.
Lexmark and Lexmark with diamond design are trademarks of Lexmark
International, Inc., registered in the United States and/or other countries.
®
PostScript
PostScript 3 is Adobe Systems’ designation of a set of printer commands
(language) and functions included in its software products. This printer is
intended to be compatible with the PostScript 3 language. This means
the printer recognizes PostScript 3 commands used in various
application programs, and that the printer emulates the functions
corresponding to the commands.
Other trademarks are the property of their respective owners.
This software and documentation are provided with RESTRICTED
RIGHTS. Use, duplication or disclosure by the Government is subject to
restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
Technical Data and Computer Software clause at DFARS 252.227-7013
and in applicable FAR provisions: Lexmark International, Inc., Lexington,
KY 40550.
is a registered trademark of Adobe Systems Incorporated.
FCC emissions information
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may
cause undesired oper ation.
Any questions on this statement should be directed to:
Director of Lab Operations
Lexmark International, Inc.
740 West New Circle Road
Lexington, KY 40550
(859) 232-3000
Refer to the Publications CD for more details.
Safety information
•If your product is NOT marked with this symbol , it MUST be
connected to an electrical outlet that is properly grounded.
•The power cord must be connected to an electrical outlet that is
near the product and easily accessible.
•Refer service or repairs, other than those described in the
operating instructions, to a professional service person.
•This product is designed, tested, and approved to meet strict
global safety standards with the use of specific Lexmark
components. The safety features of some parts may not always
be obvious. Lexmark is not responsible for the use of other
replacement parts.
•Your product uses a laser.
CAUTION: Use of controls or adjustments or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.
•Your product uses a printing process that heats the print media,
and the heat may cause the media to release emissions. You
must adhere to the print media guidelines described on the
Publications CD to avoid the possibility of harmful emissions.
Conventions
It may help you to recognize the caution, warning, and note conventions
used in this book. These appear in the left column for easy reference.
CAUTION! A caution identifies something that could
cause you harm.
Warning! A warning identifies something that could
damage your printer hardware or software.
Note:A note provides inf ormation you may find useful.
About the printerYour printer is available in two models:
Lexmark T420 Base Model and Options
Printer
page 6
Tray 1
Tray 2:
250-sheet drawer
page 4
•Lexmark T420, with duplex
capabilities, up to 1200 dots per
inch (dpi) Image Quality
resolution, 16MB of standard
memory, one 250-sheet tray, and
USB and parallel connectors.
•Lexmark T420n, a network model
that includes all the features
above; more standard memory
(32MB); an Ethernet 10BaseT/
100BaseTx print server installed;
and an Ethernet connector.
You can purchase options for your
printer. Launch the Publications CD and
click Printer Overview for more
information.
or
500-sheet drawer
page 4
Introduction
1
Other sources
of information
If you need more information after you
have completed setup, refer to the other
printer documentation.
Lexmark T420
Publications CD
The Publications CD provides
information about loading print media,
clearing error messages, ordering and
replacing supplies, and troubleshooting.
It also provides general information for
administrators.
The information on the Publications CD
is also available on Lexmark’s Web site
at www.lexmark.com/publications.
provides easy access to informatio n
about loading print media,
understanding common printer
messages, and clearing jam s.
Drivers CDThe drivers CD contains the necessary
printer drivers to get your printer up and
running.
It may also contain printer utilities,
screen fonts, and additional
documentation.
Lexmark’s Web siteVisit our Web site at www.lexmark.com
for updated printer drivers, utilities, and
other printer documentation.
2
Introduction
Step 1: Unpack the printer
250-sheet tray
Power cord
Operator panel overlay
(non-English only)
Warning! Allow at least 7.62 cm (3 in.)
clearance on the right side of the printer
for the cooling fan to function properly.
Drivers CD
Handhold
Setup Guide with Publications CD
and Quick Reference card
Select a well ventilated location for your
printer that provides room for the trays,
cover, and doors. Choose a firm, level
surface away from direct airflow and
temperature extremes.
Remove all items from the box. Make
sure you have the following items:
•Printer with one 250-sheet tray
•Power cord
•Print cartridge (shipped inside
printer, wrapped in packaging)
•Setup Guide with a Publications
CD and Quick Reference card
•Drivers CD
•Operator panel overlay
(non-English only)
If any items are missing or damaged,
refer to the Publications CD for the
designated Lexmark support phone
number for your country.
Save the carton and packing material in
case you need to repack the printer.
What do I do next?
TaskGo to page …
Position the optional drawer4
Prepare the printer6
Unpack the printer
3
Step 2: Position the optional
drawer
CAUTION! If you are adding an
optional drawer sometime after setting
up the printer, be sure to turn the printer
off, unplug the power cord, and
disconnect all cables from the back of
the printer before completing these
tasks.
Your printer supports either one optional
250-sheet drawer or one optional 500sheet drawer. The optional drawer
consists of a support unit and a tray.
1 Remove all packing material and
tape from the support unit.
2 Pull the tray out of the support
unit.
Remove any packing material and
tape from the tray.
3 Grasp the support unit on each
side at opposite corners and
move it to the location selected for
the printer.
4 Reinstall the tray. Push it fully into
the printer.
4
Position the optional drawer
Position the optional drawer
5
Step 3: Prepare the printer
Positioning the printerOnce you have selected a location and
positioned an optional drawer (if you
have one), you are ready to position the
printer.
Note: If you have optional memory to
install, leave clearance on the left side of
the printer.
Handhold
Tab
Lift the printer by the recessed
handholds on both sides, and place it on
the table or optional drawer.
To position the printer on an optional
drawer:
1 Align the tabs, slots, and
connector on the drawer with the
underside of the printer.
2 Lower the printer into place. Make
sure it is seated securely on the
drawer.
Connector
6
Prepare the printer
Slot
Raising the paper restThe paper rest holds printed jobs at an
angle to keep them from sliding out of
the output bin. Pull the paper rest
forward to raise it.
Attaching an operator
panel overlay
If English is not your preferred language
and your printer shipped with an
operator panel overlay, attach the
overlay that has the appropriately
translated light and button names:
1 Peel the protective backing off the
overlay.
2 Align the holes in the overlay with
the lights and buttons on the
operator panel, and then press
the overlay into place.
Prepare the printer
7
Step 4: Prepare the
print cartridge
Removing the
packaging
Finger grips
1 Open the upper front door.
Handle
8
2 Grasp the print cartridge by the
handle. Lift the cartridge out of the
printer.
Prepare the print cartridge
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