Lexmark X642e User Manual

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Solving print quality problems
The information in the following table may help you solve print quality problems. If these suggestions 
still do not correct the problem, call for service. You may have an MFP part that requires adjustment 
or replacement.
ProblemAction
Print is too light. The toner may be low. To utilize the remaining toner, remove the cartridge by 
gripping the handles with both hands. With the cartridge arrows pointing 
downward, firmly shake the print cartridge side-to-side and front-to-back 
several   to redistribute the toner. Reinstall the cartridge
. Repeat this 
procedure multiple   until the print remains faded. When the print remains 
faded, replace the print cartridge.
Change the Toner Darkness setting in the Quality menu.
Change the Brightness setting in the Quality menu.
If printing on an uneven print surface, change the Paper Weight and Paper 
Texture settings in the Paper menu.
Verify the correct print media is being used.
Verify you are using the correct MFP drivers.
Verify the environment is 16 to 32 degrees C (60 to 90
o F).
Toner smears or print 
comes off the page.If printing on an uneven print surface, change the Paper Weight and Paper 
Texture settings in the Paper menu.
Verify the print media is within the MFP specifications. See Understanding 
paper and specialty media guidelines for more details.
Toner appears on the back 
of the printed page.Toner is on the transfer roll. To help prevent this, do not load print media that is 
smaller than the page size of the job to be printed.
Open and close the MFP top front cover to run the MFP setup cycle and clean 
the transfer roll.
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Toner fog or background 
shading appears on the 
page.Check the print cartridge to make sure it is installed correctly.
The Toner Darkness setting may be too dark. Change the Toner Darkness 
setting in the Quality menu.
Verify the environment is Class B.
Replace the charge rolls.
Replace the print cartridge.
Entire page is white.Make sure the packaging material is removed from the print cartridge. 
Check the print cartridge to be sure it is installed correctly. 
The toner may be low. To utilize the remaining toner, remove the cartridge by 
gripping the handles with both hands. With the cartridge arrows pointing 
downward, firmly shake the print cartridge side-to-side and front-to-back 
several   to redistribute the toner. Reinstall the cartridge
. Repeat this 
procedure multiple   until the print remains faded. When the print remains 
faded, replace the print cartridge.
Streaks appear on the 
page.The toner may be low. To utilize the remaining toner, remove the cartridge by 
gripping the handles with both hands. With the cartridge arrows pointing 
downward, firmly shake the print cartridge side-to-side and front-to-back 
several   to redistribute the toner. Reinstall the cartridge
. Repeat this 
procedure multiple   until the print remains faded. When the print remains 
faded, replace the print cartridge.
If using preprinted forms, make sure the ink can withstand temperatures of 
230°C (446°F).
Printing is too dark.Change the Toner Darkness setting in the Quality menu.
Change the Brightness setting in the Quality menu.
Verify the environment is 16 to 32 degrees C (60 to 90
o F).
Note:Macintosh computer users should make sure the job lines per inch (lpi) 
setting is not set too high in the software application.
ProblemAction
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Characters have jagged or 
uneven edges.Change the Print Resolution setting in the Quality menu to 600 dpi, 1200 
Image Q, 1200 dpi, or 2400 Image Q.
Enable Enhance Fine Lines.
See the tables on page 175 for more settings information.
If using downloaded fonts, verify the fonts are supported by the MFP, the host 
computer, and the software application.
Verify the print media type and print tray type settings match.
Verify you are using the correct MFP drivers.
Verify the environment is 16 to 32 degrees C (60 to 90
o F).
Part or all of the page is 
printed in black.Check the print cartridge to see if it is installed correctly. 
The job prints, but the top 
and side margins are 
incorrect. Make sure the Paper Size setting in the Paper menu is correct.
Make sure the margins are set correctly in your software application.
Ghost images appear.Make sure the Paper Type setting in the Paper menu is correct.
Verify the environment is Class B.
Replace the charge rolls.
Replace the print cartridge.
Some of the print is cut off 
on the sides, top, or 
bottom of the media.Move the guides in the tray to the proper positions for the size loaded.
Print is skewed or 
inappropriately slanted.
Transparency print quality 
is poor.Use only transparencies recommended by the MFP manufacturer.
Make sure the Paper Type setting in the Paper menu is set to Transparency.
ProblemAction
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The Quality menu control panel options can be adjusted to help improve print quality. 
In addition, the Enhance Fine Lines and Gray Correction options can be enabled to improve print 
quality. These settings are available on the driver and on the MFP Embedded Web Server (EWS) 
interface. For more information about these options, see the driver Help.
Menu selectionPurposeVa l u e s†
Print Resolution To select printed output resolution 600 dpi*
1200 Image Q
1200 dpi
2400 Image Q
Toner Darkness Lightens or darkens printed output 
and alters toner consumption1–108* is the default setting.
Select a lower number to lighten 
the printed output or save toner.
Brightness Adjusts the gray value of printed 
graphics and pictures-6 – +60* is the default setting.
† Values marked by an asterisk (*) are the factory default settings.
Driver optionPurposeVa l u e s†
Enhance Fine Lines A selection to enable a print mode 
preferable for certain files 
containing fine line detail, such as 
architectural drawings, maps, 
electronic circuit diagrams, and 
flow chartsOn In the driver, enable the check box.
Off* In the driver, disable the check 
box.
Gray Correction Automatically adjusts the contrast 
enhancement applied to imagesAuto In the driver, enable the check box.
Off* In the driver, disable the check 
box.
† Values marked by an asterisk (*) are the factory default settings.
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Notices
Conventions
Note:A note identifies something that could help you.
CAUTION:A caution identifies something that could cause you harm.
Warning:A warning identifies something that could damage your product hardware or 
software.
Electronic emission notices
Federal Communications Commission (FCC) compliance information statement
Part 15
The X642e x642e and Model IImachine types 7002-003, 7002-004, 7002-005, 7002-
006 have 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 1329605 for parallel attach or 12A2405 for USB attach. Use 
of a substitute cable not properly shielded and grounded may result in a violation 
of FCC regulations.
Note:To assure compliance with FCC regulations on electromagnetic interference for a 
Class A computing device, use a properly shielded and grounded cable. Use of a 
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substitute cable not properly shielded and grounded may result in a violation of 
FCC regulations.
Industry Canada compliance statement 
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing 
Equipment Regulations ICES-003.
Avis de conformité aux normes de l’industrie du Canada 
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement ICES-003 sur le 
matériel brouilleur du Canada.
European Community (EC) directives conformity 
Declaration of Conformity with Regard to the EU Directive 1999/5/EC (R&TTE Directive) in 
languages of the European Community.
English Hereby, Lexmark International Inc., declares that this Product is in 
compliance with the essential requirements and other relevant provisions of 
Directive 1999/5/EC.
Suomi Valmistaja Lexmark International Inc. vakuuttaa täten että Product tyyppinen 
laite on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien 
direktiivin muiden ehtojen mukainen.
Nederlands Hierbij verklaart Lexmark International Inc. dat het toestel Product in 
overeenstemming is met de essentiële eisen en de andere relevante 
bepalingen van richtlijn 1999/5/EG
Bij deze verklaart Lexmark International Inc. dat deze Product voldoet aan 
de essentiële eisen en aan de overige relevante bepalingen van Richtlijn 
1999/5/EC.
Français Par la présente Lexmark International Inc. déclare que lappareil Product est 
conforme aux exigences essentielles et aux autres dispositions pertinentes 
de la directive 1999/5/CE
Par la présente, Lexmark International Inc. déclare que ce Product est 
conforme aux exigences essentielles et aux autres dispositions de la 
directive 1999/5/CE qui lui sont applicables
Svenska Härmed intygar Lexmark International Inc. att denna Product står i 
överensstämmelse med de väsentliga egenskapskrav och övriga relevanta 
bestämmelser som framgår av direktiv 1999/5/EG.
Dansk Undertegnede Lexmark International Inc. erklærer herved, at følgende 
udstyr Product overholder de væsentlige krav og øvrige relevante krav i 
direktiv 1999/5/EF
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German Hiermit erklärt Lexmark International Inc., dass sich dieses Product in 
Übereinstimmung mit den grundlegenden Anforderungen und den anderen 
relevanten Vorschriften der Richtlinie 1999/5/EG befindet. (BMWi)
Hiermit erklärt Lexmark International Inc. die Übereinstimmung des Gerätes 
Product mit den grundlegenden Anforderungen und den anderen relevanten 
Festlegungen der Richtlinie 1999/5/EG. (Wien)
ÅëëçíéêÜ
Με την παρούσα Lexmark International Inc. δηλώνει οτι Product συµµορφώνεται προς τις 
ουσιώδεις απαιτησεις και τις λοιπές σχετικές διατάξεις της οδηγίας 1999/5/EK.
Italiano Con la presente Lexmark International Inc. dichiara che questo Product è 
conforme ai requisiti essenziali e alle altre disposizioni pertinenti stabilite 
dalla direttiva 1999/5/CE.
Español Por medio de la presente Lexmark International Inc. declara que el Product 
cumple con los requisitos esenciales y cualesquiera otras disposiciones 
aplicables o exigibles de la Directiva 1999/5/CE
Português Lexmark International Inc. declara que este Product está conforme com os 
requisitos essenciais e outras provisões da Directiva 1999/5/CE.
Èesky Lexmark International Inc. tímto prohlašuje, že tento výrobek s typovým 
oznacením Product vyhovuje základním požadavkùm a dalším ustanovením 
smìrnice 1999/5/ES, které se na tento výrobek vztahují.
Magyar Lexmark International Inc. ezennel kijelenti, hogy ez a Product termék 
megfelel az alapvetõ követelményeknek és az 1999/5/EC irányelv más 
vonatkozó ndelkezéseinek.
Eesti Käesolevaga kinnitab Lexmark International Inc. seadme Product vastavust 
direktiivi 1999/5/EÜ põhinõuetele ja nimetatud direktiivist tulenevatele 
teistele asjakohastele sätetele.
Latviski Ar ðo Lexmark International Inc. deklarç, ka Product atbilst Direktîvas 1999/
5/EK bûtiskajâm prasîbâm un citiem ar to saistîtajiem noteikumiem.
Lithuanian Lexmark International Inc. deklaruoja, kad irenginys Product tenkina 1999/
5/EB Direktyvos esminius reikalavimus ir kitas sios direktyvos nuostatas
Maltese
Polski Lexmark International Inc., deklarujemy z peln¹ odpowiedzialnoœci¹, ¿e 
wyrób Product  spe³nia podstawowe wymagania i odpowiada warunkom 
zawartym w dyrektywie 1999/5/EC
Slovak Lexmark International Inc. týmto vyhlasuje, že tento Product vyhovuje 
technickým požiadavkám a ïalším ustanoveniam smernice 1999/5/ES, ktoré 
sa na tento výrobok vzÿahujú.
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This product is in conformity with the protection requirements of EC Council directives 89/336/EEC, 
73/23/EEC, and 1999/5/EC on the approximation and harmonization of the laws of the Member 
States relating to electromagnetic compatibility and safety of electrical equipment designed for use 
within certain voltage limits and on radio equipment and telecommunications terminal equipment. 
The Official Declaration of Conformity may be viewed at www.lexmark.com/rtte.
Compliance is indicated by the following CE marking:
Radio interference notice
Warning:This is a Class A product. In a domestic environment, this product may cause radio 
interference, in which case, the user may be required to take adequate measures. 
This Class A digital device is marketed for use in a commercial, industrial or 
business environment, and not intended for use in homes, or a home office.
CCC EMC noticeSlovenšèina S tem dokumentom Lexmark International Inc., izjavlja, da je ta Product v 
skladu z bistvenimi zahtevami in z drugimi ustreznimi doloèili Direktive 1999/
5/EC
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Japanese VCCI notice
Korean MIC statement
BSMI EMC notice
Par t 68
This equipment complies with Part 68 of the FCC rules and the requirements adopted by the 
Administrative Council for Terminal Attachments (ACTA). On the back of this equipment is a label that 
contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If 
requested, this number must be provided to your telephone company.
This equipment uses the RJ-11C Universal Service Order Code (USOC) jack.
A plug and jack used to connect this equipment to the premises’ wiring and telephone network must 
comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA. A compliant 
telephone cord and modular plug is provided with this product. It is designed to be connected to a 
compatible modular jack that is also compliant. See the Setup Sheet for more information.
The Ringer Equivalence Number (REN) is used to determine the number of devices that may be 
connected to a telephone line. Excessive RENs on a telephone line may result in the devices not 
ringing in response to an incoming call. In most but not all areas, the sum of RENs should not exceed 
five (5.0). To be certain of the number of devices that may be connected to a line, as determined by 
the total RENs, contact your local telephone company. For products approved after July 23, 2001, the 
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