Lexmark W850dn User Manual

							CHECK THE PAPER TYPE
Try a different type of paper.
Use only the recommended transparencies.
Ensure that the Paper Type setting matches what is loaded in the tray or feeder.
Ensure that the Paper Texture setting is correct for the type of paper or specialty media loaded in the tray or
feeder.
ENSURE THAT THE TONER IS DISTRIBUTED EVENLY WITHIN THE TONER CARTRIDGE
Remove the toner cartridge and shake it from side to side to redistribute the toner, and then reinstall it.
THE TONER CARTRIDGE MAY BE DEFECTIVE OR LOW ON TONER
Replace the used toner cartridge with a new one.
Streaked horizontal lines
These are possible solutions. Try one or more of the following:
THE TONER IS SMEARED
Select another tray or feeder to feed the paper for the job:
From the printer control panel Paper Menu, select the Default Source.
For Windows users, select the paper source from Print Properties.
For Macintosh users, select the paper source from the Print dialog and pop‑up menus.
THE TONER CARTRIDGE MAY BE DEFECTIVE
Replace the toner cartridge.
THE PAPER PATH MAY NOT BE CLEAR
Check the paper path around the toner cartridge.
CAUTION—HOT SURFACE: The inside of the printer might be hot. To reduce the risk of injury from a hot
component, allow the surface to cool before touching.
Clear any paper you see. Troubleshooting191
Downloaded From ManualsPrinter.com Manuals 
						

							THERE IS TONER IN THE PAPER PATH
Contact Customer Support.
Streaked vertical lines
These are possible solutions. Try one or more of the following:
THE TONER IS SMEARED
Select another tray or feeder to feed paper for the job:
From the printer control panel Paper Menu, select the Default Source.
For Windows users, select the paper source from Print Properties.
For Macintosh users, select the paper source from the Print dialog and pop‑up menus.
THE TONER CARTRIDGE IS DEFECTIVE
Replace the toner cartridge.
THE PAPER PATH MAY NOT BE CLEAR
Check the paper path around the toner cartridge.
CAUTION—HOT SURFACE: The inside of the printer might be hot. To reduce the risk of injury from a hot
component, allow the surface to cool before touching.
Clear any paper you see.
THERE IS TONER IN THE PAPER PATH
Contact Customer Support.
Toner fog or background shading appears on the page
These are possible solutions. Try one or more of the following:
THE TONER CARTRIDGE MAY BE DEFECTIVE
Replace the toner cartridge. Troubleshooting192
Downloaded From ManualsPrinter.com Manuals 
						

							THE CHARGE ROLLS MAY BE DEFECTIVE
Replace the charge rolls.
THERE IS TONER IN THE PAPER PATH
Contact Customer Support.
Toner rubs off
ABC
DEF
These are possible solutions. Try one or more of the following:
CHECK THE PAPER TYPE SETTING
Make sure the paper type setting matches the paper loaded in the tray:
1From the printer control panel Paper menu, check the Paper Type setting.
2Before sending the job to print, specify the correct type setting:
For Windows users, specify the type from Print Properties.
For Macintosh users, specify the type from the Print dialog.
CHECK THE PAPER TEXTURE SETTING
From the printer control panel Paper menu, make sure the Paper Texture setting matches the paper loaded in the
tray. Troubleshooting193
Downloaded From ManualsPrinter.com Manuals 
						

							Toner specks
ABC
DEF
These are possible solutions. Try one or more of the following:
THE TONER CARTRIDGE MAY BE DEFECTIVE
Replace the toner cartridge.
THERE IS TONER IN THE PAPER PATH
Contact Customer Support.
Transparency print quality is poor
Try one or more of the following:
CHECK THE TRANSPARENCIES
Use only transparencies recommended by the printer manufacturer.
CHECK THE PAPER TYPE SETTING
Make sure the paper type setting matches the paper loaded in the tray:
1From the printer control panel Paper menu, check the Paper Type setting.
2Before sending the job to print, specify the correct type setting:
For Windows users, specify the type from Print Properties.
For Macintosh users, specify the type from the Print dialog.
Uneven print density
ExampleCauseSolution
ABCDE
A
BCDE
A
BCDE
Toner cartridge is worn or defective. Replace  the  toner  cartridge.
Photoconductor is worn or
defective.Replace the photoconductor.
Troubleshooting194
Downloaded From ManualsPrinter.com Manuals 
						

							Contacting customer support
When you contact customer support, describe the problem you are experiencing, the printer control panel light
sequence, and the troubleshooting steps you have already taken to find a solution.
You need to know your printer model type and serial number. For more information, see the label on the inside top
front cover of the printer. The serial number is also listed on the menu settings page.
Lexmark has various ways to help you solve your printing problem. Visit the Lexmark Web site at
http://support.lexmark.com, and then select one of the following:
Tech LibraryYou can browse our library of manuals, support documentation, drivers, and other downloads to help you
solve common problems.
E-mailYou can send an e-mail to the Lexmark team, describing your problem. A service representative will respond
and provide you with information to solve your problem.
Live chatYou can chat directly with a service representative. They can work with you to solve your printer problem or
provide assistance through Assisted Service where the service representative can remotely connect to your
computer through the Internet to troubleshoot problems, install updates, or complete other tasks to help
you successfully use your Lexmark product.
Telephone support is also available. In the U.S. or Canada, call 1-800-539-6275. For other countries or regions, visit the
Lexmark Web site at 
http://support.lexmark.com. Troubleshooting195
Downloaded From ManualsPrinter.com Manuals 
						

							Notices
Product information
Product name:
W850
Machine type:
4024
Model(s):
110
Edition notice
December 2012
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 FITNESS
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.
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.
For Lexmark technical support, visit support.lexmark.com.
For information on supplies and downloads, visit www.lexmark.com.
If you dont have access to the Internet, you can contact Lexmark by mail:
Lexmark International, Inc.
Bldg 004-2/CSC
740 New Circle Road NW
Lexington, KY 40550
USA
© 2012 Lexmark International, Inc.
All rights reserved. Notices196
Downloaded From ManualsPrinter.com Manuals 
						

							GOVERNMENT END USERS
The Software Program and any related documentation are Commercial Items, as that term is defined in 48 C.F.R.
2.101, Computer Software and Commercial Computer Software Documentation, as such terms are used in 48 C.F.R.
12.212 or 48 C.F.R. 227.7202, as applicable. Consistent with 48 C.F.R. 12.212 or 48 C.F.R. 227.7202-1 through 227.7207-4,
as applicable, the Commercial Computer Software and Commercial Software Documentation are licensed to the U.S.
Government end users (a) only as Commercial Items and (b) with only those rights as are granted to all other end users
pursuant to the terms and conditions herein.
Trademarks
Lexmark, Lexmark with diamond design, MarkNet, and MarkVision are trademarks of Lexmark International, Inc.,
registered in the United States and/or other countries.
MarkTrack and PrintCryption are trademarks of Lexmark International, Inc.
PCL® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard Company’s designation of a
set of printer commands (language) and functions included in its printer products. This printer is intended to be
compatible with the PCL language. This means the printer recognizes PCL commands used in various application
programs, and that the printer emulates the functions corresponding to the commands.
The following terms are trademarks or registered trademarks of these companies:
Albertus The Monotype Corporation plc
Antique Olive Monsieur Marcel OLIVE
Apple-Chancery Apple Computer, Inc.
Arial The Monotype Corporation plc
CG Times Based on Times New Roman under license from The Monotype Corporation plc, is a product of
Agfa Corporation
Chicago Apple Computer, Inc.
Clarendon Linotype-Hell AG and/or its subsidiaries
Eurostile Nebiolo
Geneva Apple Computer, Inc.
GillSans The Monotype Corporation plc
Helvetica Linotype-Hell AG and/or its subsidiaries
Hoefler Jonathan Hoefler Type Foundry
ITC Avant Garde Gothic International Typeface Corporation
ITC Bookman International Typeface Corporation
ITC Mona Lisa International Typeface Corporation
ITC Zapf Chancery International Typeface Corporation
Joanna The Monotype Corporation plc
Marigold Arthur Baker
Monaco Apple Computer, Inc.
Notices197
Downloaded From ManualsPrinter.com Manuals 
						

							New York Apple Computer, Inc.
Oxford Arthur Baker
Palatino Linotype-Hell AG and/or its subsidiaries
Stempel Garamond Linotype-Hell AG and/or its subsidiaries
Taffy Agfa Corporation
Times New Roman The Monotype Corporation plc
Univers Linotype-Hell AG and/or its subsidiaries
All other trademarks are the property of their respective owners.
AirPrint and the AirPrint logo are trademarks of Apple, Inc.
Federal Communications Commission (FCC) compliance information statement
This product has been tested and found to comply with the limits for a Class A digital device, pursuant to 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 operation.
The FCC Class A limits are designed to provide reasonable protection against harmful interference when the equipment
is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case
the user will be required to correct the interference at his own expense.
The manufacturer is not responsible for any radio or television interference caused by using other than recommended
cables or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could
void the users authority to operate this equipment.
Note: To assure compliance with FCC regulations on electromagnetic interference for a Class A computing device,
use a properly shielded and grounded cable such as Lexmark part number 1021231 for parallel attach or 1021294 for
USB attach. Use of a substitute cable not properly shielded and grounded may result in a violation of FCC
regulations.
Noise emission levels
The following measurements were made in accordance with ISO 7779 and reported in conformance with ISO 9296.
Note: Some modes may not apply to your product.
1-meter average sound pressure, dBA
Printing 55 dBA
Ready 28 dBA
Values are subject to change. See www.lexmark.com for current values. Notices198
Downloaded From ManualsPrinter.com Manuals 
						

							Temperature information
Ambient temperature 15–32° C (60–90° F)
Shipping temperature‑40–60° C (‑40–140° F)
Storage temperature 1–60° C (34–140° F)
Waste from Electrical and Electronic Equipment (WEEE) directive
The WEEE logo signifies specific recycling programs and procedures for electronic products in countries of the European
Union. We encourage the recycling of our products. If you have further questions about recycling options, visit the
Lexmark Web site at www.lexmark.com for your local sales office phone number.
Product disposal
Do not dispose of the printer or supplies in the same manner as normal household waste. Consult your local authorities
for disposal and recycling options.
ENERGY STAR
Laser notice
The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, Chapter I, Subchapter J for Class I
(1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825-1.
Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is
nominally a 7 milliwatt gallium arsenide laser operating in the wavelength of 655-675 nanometers. The laser system
and printer are designed so there is never any human access to laser radiation above a Class I level during normal
operation, user maintenance, or prescribed service condition. Notices199
Downloaded From ManualsPrinter.com Manuals 
						

							Laser advisory label
A laser notice label may be affixed to this printer as shown:
DANGER - Invisible laser radiation when cartridges are removed and interlock defeated. Avoid exposure to laser beam.
PERIGO - Radiação a laser invisível será liberada se os cartuchos forem removidos e o lacre rompido. Evite a exposição aos feixes de laser.
Opasnost - Nevidljivo lasersko zračenje kada su kasete uklonjene i poništena sigurnosna veza. Izbjegavati izlaganje zracima.
NEBEZPEČÍ - Když jsou vyjmuty kazety a je odblokována pojistka, ze zařízení je vysíláno neviditelné laserové záření. Nevystavujte se působení laserového paprsku.
FARE - Usynlig laserstråling, når patroner fjernes, og spærreanordningen er slået fra. Undgå at blive udsat for laserstrålen.
GEVAAR - Onzichtbare laserstraling wanneer cartridges worden verwijderd en een vergrendeling wordt genegeerd. Voorkom blootstelling aan de laser.
DANGER - Rayonnements laser invisibles lors du retrait des cartouches et du déverrouillage des loquets. Eviter toute exposition au rayon laser.
VAARA - Näkymätöntä lasersäteilyä on varottava, kun värikasetit on poistettu ja lukitus on auki. Vältä lasersäteelle altistumista.
GEFAHR - Unsichtbare Laserstrahlung beim Herausnehmen von Druckkassetten und offener Sicherheitssperre. Laserstrahl meiden.
ΚΙΝΔΥΝΟΣ - Έκλυση αόρατης ακτινοβολίας laser κατά την αφαίρεση των κασετών και την απασφάλιση της μανδάλωσης. Αποφεύγετε την έκθεση στην ακτινοβολία laser.
VESZÉLY – Nem látható lézersugárzás fordulhat elő a patronok eltávolításakor és a zárószerkezet felbontásakor. Kerülje a lézersugárnak való kitettséget.
PERICOLO - Emissione di radiazioni laser invisibili durante la rimozione delle cartucce e del blocco. Evitare l´esposizione al raggio laser.
FARE – Usynlig laserstråling når kassettene tas ut og sperren er satt ut av spill. Unngå eksponering for laserstrålen.
NIEBEZPIECZEŃSTWO - niewidzialne promieniowanie laserowe podczas usuwania kaset i blokady. Należy unikać naświetlenia promieniem lasera.
ОПАСНО! Невидимое лазерное излучение при извлеченных картриджах и снятии блокировки. Избегайте воздействия 
лазерных лучей.
Pozor – Nebezpečenstvo neviditeľného laserového žiarenia pri odobratých kazetách a odblokovanej poistke. Nevystavujte sa lúčom.
PELIGRO: Se producen radiaciones láser invisibles al extraer los cartuchos con el interbloqueo desactivado. Evite la exposición al haz de láser.
FARA – Osynlig laserstrålning när patroner tas ur och spärrmekanismen är upphävd. Undvik exponering för laserstrålen.
危险 - 当移除碳粉盒及互锁失效时会产生看不见的激光辐射，请避免暴露在激光光束下。
危險 - 移除碳粉匣與安全連續開關失效時會產生看不見的雷射輻射。請避免曝露在雷射光束下。
危険 - カートリッジが取り外され、内部ロックが無効になると、見えないレーザー光が放射されます。 このレーザー光に当たらないようにしてください。
Power consumption
Product power consumption
The following table documents the power consumption characteristics of the product.
Note: Some modes may not apply to your product.
ModeDescriptionPower consumption (Watts)
Printing The product is generating hard‑copy output from electronic inputs. 700 W
Copying The product is generating hard‑copy output from hard‑copy original
documents.NA
Scanning The product is scanning hard‑copy documents. NA
Ready The product is waiting for a print job. 105 W
Power Saver The product is in energy‑saving mode. 9 W
Off The product is plugged into a wall outlet, but the power switch is turned off. 0.6 W
The power consumption levels listed in the previous table represent time-averaged measurements. Instantaneous
power draws may be substantially higher than the average.
Values are subject to change. See www.lexmark.com for current values. Notices200
Downloaded From ManualsPrinter.com Manuals