Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/ or other countries.
5060-4xx
Edition: November 8, 2006
The following paragraph does not apply to an y 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, INCLUDI NG, 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 warr anties in certain transac ti ons; therefor e, this statement ma y not apply to you.
This publi cation could include technical inaccuracies or typographical errors. Changes are peri odically made to the
informati on herein; these changes will be incorporated in later editi ons. Improvem ents or changes in the products or the
programs descri bed m ay be made at any time .
Comments may be addressed to Lexmark Internati onal, Inc., Department D22A/032-2, 740 West New Circle Road,
Lexington, Kentucky 40550, U .S.A or e-mail at ServiceInfoAndTraining@Lexmark.com. Lexmark may use or distribute any
of the inf ormati on you supply in any way it believes appropriate without incurring any obligation to you.
References in this pub li cation to product s, 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 i ntended to state or
imply that only tha t product , prog r am, or service may be used. Any func tional ly equi val ent pro duct , progr am, or service t hat
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 desi gnated by the manufacturer, are the
user’s responsibilit y.
Lexmark, Lexmark with diamond design, and M arkNet are trademarks of Le xmark International, Inc., re gistered in the
United States and/or other countries.
ImageQuick, Optra Forms, and PrintCryption are trademarks of Lexmark International, Inc.
LEXFAX is a service mark of Lexmark International, Inc.
Post Scri pt® is a registered tradem ark of Adobe Systems Incorporated.
PCL® is a registered trademark of the Hewlett-P ackard Company.
Other trademarks are the property of their respective owners.
This softwar e and any accompanying documentation pro vided under this agreemen t are com me rcial computer software
and documentation developed exclusively at private expense.
The foll owing laser notice label s m ay be affixed t o this printer as shown:
Laser no tice
The printer is certified in the U .S. to confo rm to the requir ements of DHHS 21 CFR Subchapter J for Class I (1)
laser product s, 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 int ernally a Class IIIb (3b) laser
that is nominally a 5 milliwatt galli um arsenide laser operati ng in the wavelength region of 770-795 nanometers.
The laser system and printer are designed so there is never an y hum an access to laser radiation above a Class
I level during normal operation, user maintenance, or pr escri bed service condition.
Laser
Der Drucker erfüllt gemäß amtlicher Bestätigu ng der USA die Anforderungen der Bestimmung DHHS
(Department of Health and Human Services) 21 CFR Teil J für Laserprodukte der Klasse I (1). In anderen
Ländern gilt der Drucker als Laserprodukt der Klasse I, der die Anforderungen der IEC (International
Electrotechnical Commission) 60825-1 gemäß amtlicher Bestäti gung erfüllt.
Laserprodukte der Klasse I gelten als unschädlich. Im Inneren des Druckers befindet sich ein Laser der Klasse
IIIb (3b), bei dem es sich um einen Galliumarsenlaser mit 5 Milliwatt handelt, der Wellen der Länge 770-795
Nanometer ausstrahlt. Das Lasersystem und der Drucker sind so konzipiert, daß im Normalbetrieb, bei der
Wartung durch den Benutzer oder bei ordnungsgemäßer Wartung durch den Kundendienst Laserbestrahlung,
die Klasse I überstei gen würde, Menschen k einesfalls erreicht.
Avis relatif à l’utilisation de laser
Pour les Etats-Unis : cette imprimante est certifi ée conforme aux provisio ns DHHS 21 CFR ali néa J concernant
les produits laser de Classe I (1). Pour les autres pa ys : cette imprimante répond aux normes IEC 60825- 1
relatives aux produits laser de Classe I.
Les produits laser de Classe I sont considérés comm e des produits non dangereux. Cette imprimante est
équipée d’un l aser de Classe IIIb (3b) (arséniure de gall ium d’une puissance nominale de 5 milliwatts) émettant
sur des longueurs d’onde comprises entre 770 et 795 nanomètres. L’imprimante et son sys tème laser sont
conçus pour impossible, dans des conditions normales d’utilisation, d’entr etien par l’utilisateur ou de révision,
l’exposition à des rayonnements laser supérieurs à des rayonnements de Classe I .
Avvertenze sui prodotti laser
Questa stampant e è certificata negli St ati Uniti per ess ere conforme ai requisiti del DHHS 21 CFR Sottocapitolo
J per i prodotti las er di classe 1 ed è certificata negli altri Paesi come prodotto laser di classe 1 conf orme ai
requisiti del la norma CEI 60825-1.
I prodotti laser di class e non sono con sider ati pericol osi. La stampan te contiene al suo interno un l aser di classe
IIIb (3b) all’arseniuro di gallio dell a potenza di 5mW che opera sulla lunghezza d’onda compresa t ra 770 e 795
nanometri. Il sistema laser e la stampante sono stati progettati in modo tale che le persone a contatto con la
stampante, durante il normale funzionam ento, le operazioni di servizio o quelle di assistenza tecnica, non
ricevano radiazioni laser superiori al livello della classe 1.
Notices and safety information xi
5060-4xx
Avisos sobre el láser
Se certifica que, en los EE.UU., esta impresora cumple los requisitos para los productos láser de Clase I (1)
establecidos en el subcapítulo J de la norma CFR 21 del DHHS (Departamento de Sanidad y Servicios) y, en
los demás países, reúne todas las condiciones expuestas en la norma IEC 60825-1 para productos láser de
Clase I (1).
Los productos láser de Clase I no se consideran pel igrosos. La impre sora contiene en su interior un láser de
Clase IIIb (3b) de arseniuro de galio de funcionamiento nomin al a 5 miliv atios en una longi tud de onda de 770 a
795 nanómetros. El sistema láser y la impresora están diseñados de forma que ninguna persona pueda verse
afectada por ningún tipo de radiac ión láser superior al nivel de la Clase I durante su uso normal, el
mantenimiento realizado por el usuario o cualqui er otra situación de servic io técnico.
Declaração sobre Laser
A impressora está ce rtificada no s E. U .A. e m conf ormidade co m os r equi sito s da reg ulamenta ção DHHS 2 1 CFR
Subcapítulo J para a Cla sse I (1) de produt os laser. Em outros locais, está certifi cada como um produto lase r da
Classe I, em conf ormidade com os requisitos da norma IEC 60825-1.
Os produtos lase r da Classe I não sã o conside rados peri gos os. I nternamente , a impr esso ra cont ém um produ to
laser da Classe IIIb (3b), designado laser de arseneto de potássio , de 5 milliwatts ,oper ando numa faixa de
comprimento de onda entre 770 e 795 nanómetros. O sistema e a impressora laser foram concebidos de forma
a nunca ex ist ir qualquer possiblidade de acesso humano a radi ação laser superior a um nív el de Classe I
durante a operação normal, a manutenção feita pelo utilizador ou condições de assist ência prescritas.
Laserinformatie
De printer v oldoet aan de eis en die ges teld w orde n aan ee n laserprodukt v an klass e I. Voor de Ver enigde Stat en
zijn deze eisen vastgelegd in DHHS 21 CFR Subchapter J, voor andere landen in IEC 60825-1.
Laserprodukten van klasse I worden nie t al s ongevaarlij k aangemerkt. De printer is voor zien van een laser van
klasse IIIb (3b), dat wil zeggen een gallium arsenide-laser van 5 milliwatt met e en g ol flengte van 770-795
nanometer . Het laser gedeelt e en de printer zij n zo ont worpen dat bij normaal gebru ik, bij onde rho ud of repar atie
conform de voorschriften, nooit blootstelling mogelijk is aan laserst raling boven een niveau zoals
voorgeschreven is voor klasse 1.
Lasermeddelelse
Printeren er godkendt som et Klasse I-laserprodukt, i overenstemmelse med krave ne i IEC 6082 5-1.
Klasse I-laserprodukter betragtes ikke som farlige. Printeren indeholder internt en Klasse IIIB (3b)-laser, der
nominelt er en 5 milliwatt galliumarsenid laser, som arbejder på bølgelængdeområdet 770-795 nanometer.
Lasersystem et og printeren er udformet således, at mennesk er al drig udsættes for en l aserstråling over Klasse
I-niveau ved normal drift, brugervedligeholdelse eller obligatoriske servicebetingelser.
xii Service Manual
5060-4xx
Huomautu s las er laitteesta
Tämä kirjoi tin on Yh dysv alloi ssa lu okan I ( 1) lase rlait teide n DHHS 21 CFR Subchapt er J -mää rityks en muk ainen
ja muualla luo kan I l aserl aitteiden IEC 60825-1 -määri tyksen mukainen.
Luokan I las e r la itt e id e n e i ka ts o ta ol evan vaarallis ia käyttä jä lle . Ki rj oi tt im e s sa on si sä i ne n lu ok an IIIb (3 b ) 5
milliwatin galliumarsenidilaser, joka toimii aaltoalueella 770 - 795 nanometriä. Lase rjärjestelmä ja kirjoitin on
suunnitelt u siten, että käyttäj ä ei al tistu luokan I määrityksi ä voimakkaammall e säteilylle kirj oittimen normaalin
toiminnan, käyttäjän tekemien huoltotoimien tai muiden huoltotoimien yhteydessä.
VARO! Av attaessa ja suojalukitus ohitettaessa olet alttiina näkymä ttömälle lasersäteilylle. Älä katso
säteeseen.
VARNING! Osynlig laserst rålning när denna del är öppnad och spär ren är urkopplad. Betrakta ej strålen.
Laser-notis
Denna skrivare är i USA certifierad att motsvara kraven i DHHS 21 CFR, underparagraf J för laserprodukter av
Klass I (1). I andra länder uppfyller skriv aren kraven för laserprodukter av Kl ass I enligt kraven i IEC 60825-1.
Laserprodukter i Klass I anses ej hälsovådliga. Skrivaren har en inbyggd laser av Klass IIIb (3b) som består av
en laserenhet av gallium-arsenid på 5 milliwatt som arbetar i våglängdsområdet 770-795 nanometer.
Lasersystem et och skrivaren är utformade så att det aldrig finns ris k för att någon person utsätts f ör
laserstrå lning över Klass I-ni vå vid normal användning, underhåll som utförs av användaren eller annan
föreskriv en serviceåtgärd.
Laser-melding
Skriveren er godkjent i USA etter kra vene i DHHS 21 CFR, underkapittel J, for klasse I (1) laserprodukter , og er
i andre land godkjent som et Klasse I-laserprodukt i samsvar med kravene i IEC 60825-1.
Klasse I-la serprodukter er ikke å betrakte som f arlige. Skriveren inneholder internt en klasse IIIb (3b)-laser, som
består av en gallium-arsenlaserenhet som avgir stråling i bølgelengdeområdet 770-795 nanometer .
Lasersystem et og skriveren er utformet slik at personer al dri utsettes for laserstråling ut over klasse I-nivå under
vanlig bruk , vedlikehol d som utf øres av brukeren, eller foreskrevne serviceoperasjoner.
Avís sobre el Làser
Segons ha estat certificat al s Estats Units , aquesta impressor a complei x els req uisits de DHHS 21 CFR, apartat
J, pels productes làser de classe I (1), i segons ha estat certificat en altres llocs, és un producte làser de classe
I que compleix els requisits d’IEC 60825-1.
Els productes l àser de classe I no es consideren perillosos. Aquesta impressora conté un làse r de cl asse IIIb
(3b) d’arseniür de gal.li, nominalment de 5 mil.liwats, i funciona a la regió de longitud d’ona de 770-795
nanòmetres. El sistema làser i la impressora han sigut concebuts de manera que mai hi hagi exposició a la
radiació làser per sobre d’un niv ell de classe I durant una oper ació normal, durant les tasques de manteniment
d’usuari ni durant els serveis que satisfacin les condicions prescrites.
Notices and safety information xiii
5060-4xx
xiv Service Manual
5060-4xx
Safety information
•The safety of this product is based on testi ng and approvals of t he original design and specific
components . The manufacturer is not responsibl e for safety in the event of use of unauthorized
replacement parts .
•The maintenance information for this product has been prepared for use by a professional service person
and is not intended to be used by others.
•There may be an increased risk of electric shoc k and personal injury during disassem bly and servicing of
this product . Pro fessional service personnel should understand this and take necessary precautions.
•CAUTION: When you see th is symbol , ther e is a danger f rom hazard ous v olt age in the ar ea of the
product where y ou ar e working . Unplug the product bef ore you beg in, or use c autio n if t he produc t
must receive power in order to perform the task.
Consignes de sécurité
•La sécurité de ce produit repose sur des tests et des
agréations portant sur sa conception d'origine et sur des composants particulier s. Le fabricant n'ass ume
aucune respon sabilité concernant la sécurité en cas d'utilisation de pièces de rechange non agréées.
•Les consignes d'entretien et de répar ati on de ce produit s'adressent uniquement à un personnel de
maintenance qualifié.
•Le démontage et l'entretien de ce produit pouvant présenter certains risques électriques, le personnel
d'entretien qualifié devra prendre toutes les précautions nécessai res.
•ATTENTION : Ce symbole indique la présence d'une tension dangereuse dans la partie du
produit sur laquelle vous tra vaillez. Débranchez le produit a vant de commencer ou f aites preuve
de vigilance si l' exécution de la t âche exige que le produi t reste sous tension.
Norme di sicurezza
•La sicurezza del prodotto si basa sui test e sull'approvazione del progetto originale e dei componenti
specifici. Il produttore non è responsabile per la sicurezza in caso di sostituzion e non autorizzata delle
parti.
•Le informazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di
assistenza autorizzato .
•Durante lo smontaggio e la manutenzione di questo prodotto,
il rischio di subire scosse elettriche e danni al la persona è più elev ato. Il per sonale di assistenza
autorizzato deve, quindi, adottare le precauzioni necessarie.
•ATTENZIONE: Questo simbolo indica la pre senza di tensione pericolosa nell'area del pr odotto.
Scollegare il pr odotto prima di iniziare o usare cautela se il prodotto deve essere alimentato per
eseguire l'intervento.
Safety information xv
5060-4xx
Sicherheitshinweise
•Die Sicherheit di eses Produkts basiert auf Tests und Zulassungen des ursprüngl ichen Modells und
bestimmter Baut eil e. Bei Verwendung nicht genehmigter Ersatztei le wi rd vom Hersteller kei ne
Verantwortung oder Haft ung für die Sicherheit übernommen.
•Die Wartungsinformationen für dies es Produkt sind ausschließl ich für die Verwendung durch ein en
Wartungsfachmann bestimmt.
•Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusät zliches Risiko eines
elektrischen Schlags und körperlicher Verletzung. Das zus tändige Fachpersonal sollte entsprechende
Vorsichtsmaßn ahm en treffen.
•ACHTUNG: Dieses Symbol weist auf eine gefährliche elektrische Spannung hin, die in diesem
Bereich des Produkts auftreten kann. Zie hen Sie vor den Arbeiten am Gerät den Netzstecker des
Geräts, bzw. arbeiten Sie mit großer Vorsicht, wenn das Produkt für die Ausfü hrung der Arbeiten
an den Strom angeschlossen sein muß.
Pautas de Segu ridad
•La seguridad de este prod ucto se basa en pruebas y aprobaciones del diseño original y component es
específico s. El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no
autorizadas.
•La información sobre el mantenimiento de este producto está dirigida exclusivamente al personal
cualificado de mantenimiento.
•Existe may o r riesg o de de scarga el éctrica y de dañ os person al es duran te e l desmont aj e y la r eparac ión de
la máquina. El personal cualificado debe ser consciente de este peligro y tomar las precauciones
necesarias.
•PRECAUCIÓN: este símbolo indi ca que el voltaje de la parte del equipo con la que está
trabajando es peligroso. Antes de empezar, desenchufe el equipo o tenga cuidado si, para
trabajar con él, debe conectarlo.
Informações de Segurança
•A segurança deste produto baseia-se em testes e aprovações do mode lo original e de componentes
específico s. O fabricante não é responsável pela segunrança, no caso de uso de peças de substituição
não autorizadas.
•As informações de segurança relativas a este produto dest inam-se a profissionais destes serviços e não
dev em ser utilizadas por outr as pessoas.
•Risco de choques eléct ricos e ferimentos graves durante a desmontagem e manutenção deste produto .
Os profissio nais destes serviços devem estar avis ados deste facto e tomar os cuidados necessários .
•CUIDADO: Quando vir este sí m bolo, existe a possível presença de uma potencial tens ão
perigosa na zona do produto em que está a trabalhar. Antes de começar, desligu e o produto da
tomada eléctrica ou s eja cui dado so caso o pro duto te nha d e estar liga do à corrent e eléc trica para
realizar a tarefa necessária.
xvi Service Manual
5060-4xx
Inf ormació de Seguretat
•La seguretat d'aquest producte es basa en l'avaluació i apr ovació del disseny original i els components
específics.
El fabricant no es fa responsable de les qüestions de
seguretat si s'u tilitzen peces de recanvi no autoritzades.
•La informació pel manteniment d’aquest producte està orientada exclusiv ame nt a professional s i no està
destinada
a ningú que no ho sigui.
•El risc de xoc elèctric i de danys personals pot augment ar durant el procés de desmuntatge i de servei
d’aquest producte. El personal professional ha d’estar-ne assabentat i prendre
les mesures con venients.
•PRECAUCIÓ: aquest símbol in dica que el voltatge de la part de l'equip am b la qual esteu
treballan t és perillós . Abans de començar, desendolleu l' equip o extremeu les precaucions si, per
treballar amb l'equip, l'heu de connectar.
Safety i nformation xvii
5060-4xx
Preface
This manual contains maintenance procedures for service personnel. It is divided into t he following ch apters:
1. G e n er a l in fo rma tion contains a general descripti on of the printer and the maintenanc e approach used to
repair it. Special tools and test equipment are, as well as general environmental and safety instructions.
2. Diagnostic information contains an error indicator table, symptom tables, and service checks used to
isolate failing field replaceable units (FRUs).
3. Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer problems.
4. R e p ai r in fo rma tion provides instructions for making printer adj ustments and removi ng and installing
FRUs.
5. Connector locations uses illustrations to identify the connector locati ons and test points on the printer.
6. Preventive maintenance contai ns the lubrication specifications and recommendat ions to prevent
problems.
7. Parts catalog contains illus trations and part numbers for individual FRUs.
Appendix A contains service tips and info rmati on.
Appendix B contains representative print samples.
Definitions
Note: A note provides addition al i nformation.
Warning: A warning identifies something that might damage the product hardware or software.
CAUTION: A caution identifies something that might cause a servicer harm.
CAUTION: When you see this symbol, there is a danger from hazardous voltage in the area of the
product where you are working. Unplug the product before you begin, or use caution if the product
must receive power in order to perform the task.
xviii Service Manual
5060-4xx
1. General information
The Le xm ark™ C76x is a network-capable color printer that uses electrophotogr aphic technology to deliver high
quality image s, presentation graphics, line art, and text. It prints up to 25 pages per minute (ppm) for both fourcolor and monochrome pri nt jobs.
The flexible design supports a variety of printing needs. For example, if you need the printer to match the color
process used in a particular appli cati on, you can sel ect RGB or CMYK color cor rections . You can also adjust the
printed colors to more closely represent the colors on your comput er di splay.
A variety of con nectivity options enable the printer to be used in all types of system enviro nm ents. You can
attach one internal adapter to support network configurati ons requiring Ethernet, Token-Ring, LocalTalk, serial,
infrared, or additional parallel ports.
The printer has flexible paper handling. It supports a wide variety of paper sizes, and has a standard
multipurpose feeder that makes it easy to print on envelopes, transparencies, labels, card stock, and nonstandard siz e paper. You can add optional i nputs to the base printer, which can increase the printer paper
capacity to 3100 sheets.
The Lexmark C76x (5060-4xx) laser printer is av ailable in four models:
Flat-blade screwdriver
#1 Phillips screwdriver, magnetic
#2 Phillips screwdriver, magnetic
#2 Phillips screwdriver, magnetic short-blade
Needlenose pli ers
Diagonal side cutters
Spring hook
Feeler gauges
Analog or digital multimeter
Par allel wrap plug 1319128
Twinax/serial debug cable 1381963
Coax/serial debug cable 1381964
General inf ormation 1-1
5060-4xx
Options and features
Lexmark C76x pap er handling options support the Le xmark C750/C752/C76x printers, ho wever the color of the
cove rs do not match the C750 and C752 models. The C76x envelope dra wer is not compatible with the C750.
Note: Do not use Lexmark C750/C752 options on the Lexmark C76x printers .
•500-Sheet drawer - (includes 500-sheet tray and support unit) installs beneath the printer and holds
appro ximatel y 500 sheet s of 20 lb, 75 g/m
option drawer and high-capacity input tra y. All models of Lexmark C76x.
•500-Sheet tr ay - tray for special media temporarily replaces the standard tray in a 500-sheet drawer and
holds approximately 500 sheets of 20 lb, 75 g/m
•Duplex option - offers two-side printing. The first optio n under a duplex option m ust be a 500-sheet drawer.
All models of Lexmark C76x.
•2,000-Sheet drawer (HCIT) - inst all s beneath the printer and below any other optional inp ut sources and
holds approximately 2,000 sheets of 20 lb, 75 g/m
•Output expander - installs above the printer primary output bin to offer an additional output destinatio n.
This holds approximately 650 sheets of 20 lb, 75 g/m
supported. Models 421 and 422.
•5-Bin mailbox - installs above the printer primary output bin to offer five output destinations in one option.
Each of the five bins supports approximately 100 pages of 20 lb, 75 g/m
above the printer is supported. Models 421 and 422.
•Finisher - offers stapling, hol e punching, offset stacking and an additional output bin. Two models are
ava il able, a short and a tall one . Hole punching f or 2-, 3-, or 4-hole left-edge is av ail able. The single staple
position is the upper left corner. The finisher supports up to 3,000 sheets of non- stapled, non-punched
media. For stapled media, the output bin supports up to 90 stapled sets or 2,700 sheets. The stapler
staples a maximum of 30 sheets per set. Each printer sup ports one finisher. Model s 421 and 422.
•Enve lope drawer - installs beneath the printer, and holds approximately 60 envelopes (20 lb, 75 g/m
to three env e lope dr aw er are supp orted or one env elop e dr aw er and a high-cap aci ty inpu t tra y. Models 421
and 422.
•Outdoor media drawer - installs beneath the printer and holds up to 100 sheets of outdoor media suitable
for outdoor use. Models 421 and 422 only.
•Banner tray - extension all ows printing of banner-wi dth paper. Models 421 and 422 only.
2
paper. Up to three dr a wers are supported simul taneous ly, or an
2
paper. All models of Lexmark C76x.
2
paper. Models 421 and 422.
2
paper. Only one output option above the printer is
2
paper. Only one output option
2
). Up
High performance
Up to 25 ppm black or col or
•
•500 MHz RISC processor (non-network) or 600 MHz (network)
•128MB RAM
•Time to first page
– Black: les s than 13 seconds
– Color: less than 15 seconds
Print quality
1200 x 1200 dpi and 4800 CQ.
Heavy volume re liab ility
Up to 4,000-page average monthly duty cycle
•
•Up to 60,000-page maximum duty cycle based on a singl e mon th usage
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5060-4xx
Automatic ca l ibr ation
The printer performs an automatic calibration under the following conditions.
•At power-on
•After eight hours of power save r
•Approximately every 500 pages, at the end of a job
•After changing a print cartridge
•After changin g an image tr ansfer unit (ITU)
A manual calibr ation can be initiated b y selecting Color Adjust from the Color Menu.
Resolution
1200 x 1200 dpi (one half printer speed)
•
•4800 CQ (def ault 00B) (full printer speed)
Toner darkness
Toner darkness settings offer five user-selectable settings to balance print darkness and toner savings. The
higher the setting, the darker the print. The toner darkness default setting is 4. Color level 4 and level 5 are the
same.
The toner darkness set ti ng is availab le through the operator panel under the Print Quality menu or through the
Lexmark PostScript driver.
Setting12345
Delta toner from default (mono)-50%-30%-15%Default+10%
Delta toner from default (color)-50%-30%-15%DefaultN/A
Color corr ection setti n g s
The following correction settin gs are available:
•Auto (default): Applies different color correction to each object on the printed page depending upon the
type of object and how the color for each object is specified.
•Off: No color correction is implemented.
•Manual: Allo ws users to customize col or correction output f rom the driver or operator panel.
General inf ormation 1-3
5060-4xx
Printer specifications
DescriptionWidthDepthHeightWeight
Printer
Lexmark C76x (n) 23.8 in.
(604.5 mm)
Lexmark C76x dn
(including duplex option)
Lexmark C76xdtn
(including duplex and optional
23.8 in.
(604.5 mm)
23.8 in.
(604.5 mm)
500-sheet drawer)
Lexmark C762 with Finisher T
(including duplex unit, optional
59.4 in.
(1508.8 mm)
500-sheet drawer, 2000-sheet
drawer, and finishe r T)
Lexmark C762 with maximum
input tr a y s
3
(including duplex u nit ,
23.8 in.
(604.5 mm)
three optional 500-sheet drawer,
and printer stand)
Lexmark C762 with maximum
input sheets
4
(including duplex
23.8 in.
(604.5 mm)
unit, optional 500- sheet drawer,
2000-sheet drawer)
Options
500-sheet drawer23.8 in.
(604.5 mm)
Duplex optio n23.8 in.
(604.5 mm)
2,000-sheet tray*26 in.
(660.4 mm)
Outdoor media drawer23.8 in.
(604.5 mm)
Envelope drawer23.8 in.
(604.5 mm)
Output expander*14.5 in.
(368.3 mm)
5-bin mailbo x*14.5 in.
(368.3 mm)
Finisher S*33.5 in.
(850.9 mm)
Finisher T*33.5 in.
(850.9 mm)
Printer stand26 in.
(660.4 mm)
1 Includes stabili zer bars on Finisher T and 2000-sheet drawer.
2 Includes stabilizer bars.
3 Printer stack required for Finisher S.
4 Printer stack required for Finisher T.
18.5 in.
(469.9 mm)
18.5 in.
(469.9 mm)
18.5 in.
(469.9 mm)
28.1 in.
(713.7 mm)
18.5 in.
(469.9 mm)
23.8 in.
(604.5 mm)2
18.5 in.
(469.9 mm)
18.5 in.
(469.9 mm)
23.8 in.
(604.5 mm)
18.5 in.
(469.9 mm)
18.5 in
469.9 mm
18.5 in.
(469.9 mm)
18.5 in.
(469.9 mm)
28.1 in.
(713.7 mm)
28.1 in.
(713.7 mm)
24.2 in.
(614.7 mm)
1
2
1
1
2
20.8 in.
(528.3 mm)
24.3 in
(617.2 mm)
28.9 in.
(734.1 mm)
43.5 in.
(1104.9 mm)
41.4 in.
(1051.6 mm)
43.5 in.
(1104.9 mm)
5 in.
(127 mm)
3.5 in.
(88.9 mm)
15.4 in.
(391.2 mm)
5 in.
(127 mm)
5 in.
(127 mm)
7 in
(177.8 mm)
11.5 in.
(292.1 mm)
40.4 in.
(1026.2 mm)
42.5 in.
(1079.5 mm)
4.2 in.
(106.7 mm)
105 lb
(47.7 kg)
118 lb
(53.8 kg)
132 lb
(60 kg)
274.5 lb
(124.7 kg)
179. lb
(81.4 kg)
181 lb
(82.3 kg)
13.5 lb
(6.1 kg)
13.5 lb
(6.1 kg)
49 lb
(22.3 kg)
13.5 lb
(6.1 kg)
13.5 lb
(6.1 kg)
4.5 lb
(2 kg)
8.2 lb
(3.7 kg)
93.5 lb
(42.5 kg)
93.5 lb
(42.5 kg)
20 lb
(9.1 kg)
1-4 Service Manual
5060-4xx
P o wer and ele ctrica l sp ecific ations
Average nominal power requirements for the base printer configuration (110 volt). (Power levels are shown in
watts.) Maximum current shown in amp ergs.
Printing statesLexmark C76x(n)Lexmark C76xdn
Printing - aver age power
Base model500500
All options540540
Idle - aver age power
Power Saver On3031
Power Saver Off180 180
Printing - average current (110 V)5.35.3
Printing - maximum current (110 V)10.210.2
Note: Using a 220 to 110 power conv erter with the 110 volt printer is not recommended.
All models are Energy Star compliant.
Electrical specifications
110 Volt model
•110 to 127 V ac at 47 to 63 hertz (hz) nominal
•99 to 137 V ac, extreme
Operatin g clea r an ces
Printer SideModelMeasurement
Left sideAll24 in. (609.6 mm)
Right sideAl l15 in. (381 mm)
FrontAll20 in. (508 mm)
RearAll12 in. (304.8 mm)
TopC76x(n)42 in. (1,066.8 mm)
C76xdn34 in. (863.6 mm)
1
Allow 1,219 mm (48 in.) clearance to the right if you are adding a finisher.
2
Allow clearance abov e the print er front door cleara nce and fo r adding opt io ns, such as additio nal
input drawer s, output expander or 5-bin mailbox.
1
2
2
Acoustics
All measurements are made in accordance with ISO 7779 and conform with ISO 9296.
ModelStatus
Lexmark C76x(n)4800 CQ printing52 dBA
Idle (standby)34 dBA
Lexmark C76x dn4800 CQ printing52 dBA
Idle (standby)34 dBA
1-Meter average sound
pressure
General inf ormation 1-5
5060-4xx
Environment
Printer Temperature and Humidity
•Operating
– Temperature: 60 to 90° F (15.6 to 32.3° C)
– Relative hum idity: 8 to 80%
– Maximum wet b ulb temperature: 73° F (22.8° C)
– Altitude: 10,000 ft. (0 to 3,048 meters)
– Atmospheric pressure: 74.6 kPa
•Pow er off
– Temperature: 50 to 110° F (10 to 43.3° C)
– Relative hum idity: 8 to 80%
– Maximum wet b ulb temperature: 80.1° F (26. 7° C)
– Altitude: 10,000 ft. (0 to 3,048 meters)
– Atmospheric pressure: 74.6 kPa
•Ambient operating environment*
– Temperature: 60 to 90° F (15.6 to 32.2° C)
– Relative hum idity: 8 to 80%
•Storage and shipping (packaged printer) with or without print cartridge
Temperature: -40 to 110° F (-40 to 43.3° C)
•Print cartridge
Temperature: -40 to 110° F (-40 to 43.3° C)
*In some cases, performance specif ications (such as paper OCF, EP cartridge usage) are measured at an
ambient condit ion.
Print speed and performance print speed
Media size—Tray 1
Simplex printing on letter-size media (pages per minute), duplex printing on letter-size media (sides per
minute)
Media nameMedia size4800 CQ120 0 x 1200 dpi
Full size media, full rated engine speed
Letter8.5 in. x 11 in.2510
A48.3 in. x 11.7 in.23.59.5
Legal8.5 in. x 14 in.208.1
Full size media, reduced rated engine speed (one half)
Transparencies8.5 in. x 11 in.1010
Card stock8.5 in. x 11 in.1010
Labels8.5 in. x 11 in.1010
Coated Paper8.5 in. x 11 in.1010
Coated Cover8.5 in. x 11 in.1010
1-6 Service Manual
5060-4xx
Media size—Tray 1
Smaller sizes, reduced throughput
Nearly narrow (for example ,
B5 or Exec)
Narrow media
a
(for
b
More than 6.8 in., bu t l ess
2510
than 8.3 in. wide
Less than 6.8 in. wide1010
example, A5).
a
The first 25 narrow pages print at rated speed; subseq uent pages print at the speed shown.
b
Once the printer en ters a r educed thr oughput mode as i ndicat ed, the p rinter remains at the gi v en speed af ter
the last sheet of smaller media, until the fuse r ret urn to st andby temperature.
Media size—Multipurpose feeder
Simplex printing on letter-size media (pages per minute), duplex printing on letter-size media (sides per
minute)
Media nameMedia size4800 CQ120 0 x 1200 dpi
Full size media, full rated engine speed
d
Letter8.5 in. x 11 in.22.59
Duplex (letter)8.5 in. x 11 in.22.59
A48.3 in. x 11.7 in.21.58.6
Legal8.5 in. x 14 in.18.67.5
d
Full size media, reduced rated engine speed (one half)
Transparencies8.5 in. x 11 in.99
Cardstock8.5 in. x 11 in.99
Labels8.5 in. x 11 in.99
Coated Paper8.5 in. x 11 in.99
Coated Cover8.5 in. x 11 in.99
Smaller sizes, reduced throughput
Nea r l y narrow
(for example, B5 or Exec)
a
Narrow media
b, c
More than 6.8 in., bu t l ess
22.59
than 8.3 in. wide
Less than 6.8 in. wide99
(for example, A5).
Envelopes
a
The first 25 narrow pages print at rated speed; subseq uent pages print at the speed shown.
b
All envel ope sizes print at 1200 dpi process speeds, as shown.
c
Once the printer enters a r educed thr ough put mode as in dicat ed, the pri nter r emains at t he giv en sp eed afte r
b
All supported sizes99
the last sheet of smaller media, until the fuse r ret urn to st andby temperature.
d
After media has been added to an empty MPF, the fir st t hree pages print at speed. The remainder of the
pages print at the speed indicated until the MPF is empty. the speed change occurs each time media is added
to an empty MPF.
General inf ormation 1-7
5060-4xx
Performance
Per formance speed depends on:
•Interface to the host (USB, serial, parallel, network)
•Host system and appli cation
•Page compl exity and content
•Printer options i nstalled or selected
•Av ailable printer memory
•Media size and type
•Resolution
•Printer usage setti ng
Time to first print
Time to first print from standby mode
ab
•Black: <13 seconds
•Color: <15 seconds
Time to first print fro m p ower saver m o de
a
•Black: <120 seconds
•Color: <120 seconds
Notes:
a
All first copy times are measured f or 600 image quality, simplex printing on letter-size paper. The test job
consists of the character “A” follo w ed by a form feed (s ingle-page job). The first copy time is defined as the
elapsed time fro m pressing Enter on the keyboard to the page e xiting to th e output bin . All tests pic k paper
from the primary input tray and the page exits into the primary output bin.
b
Standby times may be longer if the toner cont rol senses that toner fl ow needs to be checke d or adj usted.
Processor
Lexmark C76x Lexmark C76x(n), dn
Processor frequen cy (Mhz)500600
Bus frequency (Mhz)100100
Duty cycle
Up to 60,000 pages maximum one-time usage
•
•Up to 4,000 pages per month average usage
Memory configuration
DRAM memoryLexmark C76x(n), dnLexmark C76xdt n, fn
Standard128MB256MB
Maximum512MB512MB
1-8 Service Manual
5060-4xx
Ava ilable memory options
Optional 64MB, 128MB, 256MB and 512MB SDRAM DIMMs are av ailable from Lexm ark. The memory options
are 168-pin synch ronous DRAM DIMMs (dual in-line memory modules) meeting or exceedi ng the followi ng
specifications:
•100MHz or greater
•4KB refresh rate
•Unbuffered, non ECC
•x32
•3.3 V
Unpredictable results may occur if an attempt is made to operate the printer with memory other than SDRAM
DIMM memory with the stated specifications.
•On-board hard disk interface (for optional hard disk)
Additional memory may be required for printing complex pages or full-page, high -resolution images in 1200
image quality at rated speeds.
General inf ormation 1-9
5060-4xx
Media specifications
Media input and output capacities
The capacities listed below are based on plain paper at 75g/m2.
Media source or output
description
Input
Standard input sources
Tr ay 1
Tr ay 2
Multipurpose tray
Maximum total standard
capacity (sheet s)
Optional available input
sources
3
500-Sheet drawer
(maximum of 3 or only 1
with a 2000-sheet
drawer)
2000-Sheet drawer
(maximum of one)
Envelope drawer
(maximum of 3 or only 1
with a 2000-sheet
drawer)
Outdoor media drawer
Banner tray
Maximum additional drawers
Maximum input capacity
With added drawers (no
high-capacit y input tray)
With added drawer and
high-capacit y input tray
1
1
2
Lexmark
C760
500
N/A
100
600
500-
1500
N/A
N/A
N/A
N/A
1
1100
1100
Lexmark
C760n
500
N/A
100
600
5001500
N/A
N/A
N/A
N/A
1
1100
1100
Lexmark
C760dn
500
N/A
100
600
500-
1500
N/A
N/A
N/A
N/A
1
1100
1100
Capacity (sheets)
Lexmark
C760dtn
500
500
100
1100
500-
1000
N/A
N/A
N/A
N/A
1100
1100
0
Lexmark
C762
500
N/A
100
600
500-
1500
2000
60
100
3
2100
3100
Lexmark
C762n
500
N/A
100
600
500-
1500
2000
60
100
3
2100
3100
Lexmark
C762dn
500
N/A
100
600
500-
1500
2000
60
100
3
2100
3100
Lexmark
C762dtn
500
500
100
1100
500-
1500
2000
60
100
2
2100
3100
1-10 Service Manual
5060-4xx
Media source or output
Capacity (sheets)
description
Lexmark
C760
Lexmark
C760n
Lexmark
C760dn
Lexmark
C760dtn
Lexmark
C762
Lexmark
C762n
Lexmark
C762dn
Lexmark
C762dtn
Output
Standard output bin capacity250250250250250250250250
Optional outputs
5-Bin mailbox
N/A
N/A
N/A
N/A
500
500
500
(maximum of one)
Output Expander
Finisher S or T
4
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
650
3000
650
3000
650
3000
3000
(maximum of one)
Maximum output paper
250
250
250
250
3900
3900
3900
3900
capacity
1
Two versi ons are available: One configuration is a printer, duplex unit , optional 500-sheet drawer, and a 2000-sheet
drawer; The other con fi guration is a printer, duplex unit, and 3 optional 500-sheet drawers , and a pri nter stand.
2
A maximum combination of three optional 500-sheet drawers or a maxim um com bination of one optional 500-sheet
drawer plus one 2000-sheet drawer is supported on any model.
3
An optional 500-sheet drawer is required for a 2000-sheet Drawer and a Duplex Unit. The first option under a duplex
unit must be a 500-sheet drawer.
Media type
500
650
Media type
500-sheet input
Multipurpose tray
Envelope drawer*
2,000-sheet drawer*
Outdoor media tray*
Banner tray*
Duplex
Standard output
5-bin mailbox*
Output expander*
Finisher to staple,
hole punch, offset stack
stack or with output bi n*
Paperxxxxxxxx x
Card stockxxxxx
Transparenciesx x x x
Envelopesxxxx
Vinyl labelsx x x x
Paper labelsxxxxxx
Pol yester labelsxxxxx
Dual web labelsxxxxxx
Integrated labelsxxxxxx
Outdoor mediax
* Available in models 221 and 222 only.
General information 1-11
5060-4xx
Media size
8
8
Standard output
8
Finisher to staple,
hole punch, offset
5-bin mailbox
Output expander
stack or with output bin
5, 6, 7
5
5
5
5, 6, 7
5, 6, 7
5, 6, 7
6, 7
Media size supported
A4 8.27 in. x 11.7 in.
(210 mm x 297 mm)
A5 5.83 in. x 8.27 in.
(148 mm x 210 mm)
JIS-B5 7.17 in. x 10.12 in.
(182 mm x 257 mm)
Statement 5.5 in. x 8.5 in.
(140 mm x 216 mm)
4
Letter 8.5 in. x 11 in.
(216 mm x 279 mm)
Folio 8.5 in . x 1 3 in.
(216 mm x 330 mm)
4
Legal 8.5 in. x 14 in.
(216 mm x 356 mm)
Executive 7.25 in. x 10.5 in.
(184 mm x 267 mm)
500-sheet input
Multipurpose tray
Envelope drawer8
2,000-sheet drawer8Outdoor media tray8
Banner tray8
Duplex
xxxxxxxx
xxxxx xx
xxxxxxxx
xx xx xx
xxxx xxxx
xx xxxxx
xxxxxxxx
xxxxxxxx
Banner 11.69 x 36 in.
(297.2 x 914.4 mm)
Outdoor media
9
7 x 10 in. (178 mm x 254 mm)x
7 x 11 in. (178 mm x 279 mm)x
8 x 10 in. (203 mm x 254 mm)x
8.5 x 11 in. (216 x 279 mm)x
Universal
5.5 x 8.27 in. to 8.5 x 14 in. (139.7 x 210
1
xx xxxx
mm to 215.9 x 355.6 mm)
2.75 x 5 in. to 9.01 x 14 in. (69.85 x 127
x xxx
mm to 229 x 355.6 mm)
5.83 x 7.17 in. to 8.5 x 14 in. (148 x 182
xx xxxx
mm to 215.9 x 355.6 mm)
x
1-12 Service Manual
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