Lexmark 7300 Series Manuale utente

4418-X6X

Lexmark™ 7300 Series

All-In-One

Lexmark and Lexmark with diamond

design are trademarks of Lexmark

International, Inc., registered in the

United States and/or other countries.

• Table of contents

•Index

• Trademarks

• Start diagnostics

• Safety and notices

Edition: March 24, 2006

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.

Comments may be addressed to Lexmark International, Inc., Department D22A/032-2,

740 West New Circle Road, Lexington, Kentucky 40550, U.S.A or e-mail at

ServiceInfoAndT[email protected]. Lexmark may use or distribute any of the

information you supply in any way it believes appropriate without incurring any obligation

to you.

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.

All other trademarks are the property of their respective owners.

UNITED STATES GOVERNMENT RIGHTS

This software and any accompanying documentation provided under this agreement are

commercial computer software and documentation developed exclusively at private

expense.

U.S.A. P/N 12G9493 Japanese P/N 12G9494

4418-X6X

Table of contents

iii

Table of contents

Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-ix

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Scanner specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Copy specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Print speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Using the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Maintenance approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Tools required for service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Diagnostic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Power-On Self Test (POST) sequence . . . . . . . . . . . . . . . . . . . . . . . 2-1

Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

POST symptom table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Symptom tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Printer communication problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Scanner problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Carrier transport service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

CIS module assembly service check . . . . . . . . . . . . . . . . . . . . . . . . 2-14

PictBridge service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Maintenance station service check . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Paper feed service check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Power service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

Print quality service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19

Scan and copy quality service check. . . . . . . . . . . . . . . . . . . . . . . . 2-22

Diagnostic aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Test page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Repair information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Handling ESD-sensitive parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Removal procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Releasing plastic latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

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4418-X6X

Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

General precautions on removals . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Control panel cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Rear access cover removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

ADF scanner lid assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . .4-5

Scanner module assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Midframe cover with control panel and risers removal . . . . . . . . . . . .4-8

Rear access door with sensor removal . . . . . . . . . . . . . . . . . . . . . . .4-10

Fax card removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12

PictBridge card assembly with cable removal . . . . . . . . . . . . . . . . . .4-12

System board removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14

Encoder strip removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16

Print engine removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17

Carrier assembly with cables, belt, and cable clip removal. . . . . . . .4-18

Maintenance station removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-20

Exit tray removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-22

Printer base with cover and paper pick assembly removal . . . . . . . .4-23

Locations and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

System board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Fax card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4

PictBridge card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5

Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Lubrication specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Parts catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

How to use this parts catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Assembly 1: Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2

Assembly 2: Engine, electronics, and carrier . . . . . . . . . . . . . . . . . . . . . .7-6

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1

Part number index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-3

Safety information v

4418-X6X

Safety information

• The safety of this product is based on testing and approvals of the

original design and specific components. The manufacturer is not

responsible 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 shock and personal injury

during disassembly and servicing of this product. Professional service

personnel should understand this and take necessary precautions.

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

particuliers. Le fabricant n'assume aucune responsabilité concernant

la sécurité en cas d'utilisation de pièces de rechange non agréées.

• Les consignes d'entretien et de réparation 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 nécessaires.

vi Service Manual

4418-X6X

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 sostituzione 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 alla persona è più elevato.

Il personale di assistenza autorizzato deve, quindi, adottare le

precauzioni necessarie.

Sicherheitshinweise

• Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des

ursprünglichen Modells und bestimmter Bauteile. Bei Verwendung

nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung

oder Haftung für die Sicherheit übernommen.

• Die Wartungsinformationen für dieses Produkt sind ausschließlich für

die Verwendung durch einen Wartungsfachmann bestimmt.

• Während des Auseinandernehmens und der Wartung des Geräts

besteht ein zusätzliches Risiko eines elektrischen Schlags und

körperlicher Verletzung. Das zuständige Fachpersonal sollte

entsprechende Vorsichtsmaßnahmen treffen.

Safety information vii

4418-X6X

Pautas de Seguridad

• La seguridad de este producto se basa en pruebas y aprobaciones del

diseño original y componentes específicos. 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 mayor riesgo de descarga eléctrica y de daños personales

durante el desmontaje y la reparación de la máquina. El personal

cualificado debe ser consciente de este peligro y tomar las

precauciones necesarias.

Informações de Segurança

• A segurança deste produto baseia-se em testes e aprovações do

modelo original e de componentes específicos. 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 destinam-se a

profissionais destes serviços e não devem ser utilizadas por outras

pessoas.

• Risco de choques eléctricos e ferimentos graves durante a

desmontagem e manutenção deste produto. Os profissionais destes

serviços devem estar avisados deste facto e tomar os cuidados

necessários.

Informació de Seguretat

• La seguretat d'aquest producte es basa en l'avaluació i aprovació del

disseny original i els components específics.

El fabricant no es fa responsable de les qüestions de

seguretat si s'utilitzen peces de recanvi no autoritzades.

• La informació pel manteniment d’aquest producte està orientada

exclusivament a professionals i no està destinada

a ningú que no ho sigui.

• El risc de xoc elèctric i de danys personals pot augmentar durant el

procés de desmuntatge i de servei d’aquest producte. El personal

professional ha d’estar-ne assabentat i prendre

les mesures convenients.

viii Service Manual

4418-X6X

Preface ix

4418-X6X

Preface

This manual contains maintenance procedures for service personnel. It is

divided into the following chapters:

1. General information contains a general description of the All-In-One

and the maintenance approach used to repair it. Special tools and test

equipment are listed, 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 All-In-One problems.

4. Repair information provides instructions for making All-In-One

adjustments and removing and installing FRUs.

5. Locations and connectors uses illustrations to identify the connector

locations and test points on the All-In-One.

6. Preventive maintenance contains the lubrication specifications and

recommendations to prevent problems.

7. Parts catalog contains illustrations and part numbers for individual

FRUs.

Definitions

Note: A note provides additional information.

Warning: A warning identifies something that could damage the product

hardware or software.

CAUTION: A caution identifies something that could cause you harm.

x Service Manual

4418-X6X

General information 1-1

4418-X6X

1. General information

The Lexmark™ 7300 Series All-In-One (4418-X6X) is a letter-quality print,

fax, copy, and scan machine. It is a standalone color/mono copier and fax.

The printhead uses small heater plates and nozzles to control ink flow and

the formation of characters on the print media. The printhead assembly and

ink supply are combined into a single-unit print cartridge available as a

customer replaceable supply item. Dual printheads provide color and true

black printing without changing printheads. The number and size of inkjets

or nozzles in the printhead determines the overall quality and capability of

the printer. The black cartridge has a total of 640 nozzles and installs on the

left. The color cartridge has a total of 480 nozzles and installs on the right.

The photo cartridge has a total of 480 nozzles and installs on the left. The

All-In-One is capable of printing in two directions from either cartridge.

1-2 Service Manual

4418-X6X

Scanner specifications

Scanner Type Flatbed, Hybrid CIS/CCD

Scan Modes True Color:

• 48 bit internal

• 24 bit external

Gray Mode:

• 16 bit internal

• 8 bit external

Text/Line Art:

1 bit per pixel

Scan Method One-pass scanning

Scan Area ADF Maximum:

• 8.5 x 14 inches

• 218 x 355 mm

Minimum:

• 8.27 x 11 inches

• 210 x 279.4 mm

Scan Resolution Flatbed Scanning:

• Horizontal: 1200 ppi (optical)

• Vertical: 2400 ppi

• Interpolated: 19,200 x 19,200

ADF:

• Horizontal: 600 ppi (optical)

• Vertical: 1200 ppi

• Interpolated: 9,600 x 9,600

General information 1-3

4418-X6X

Copy specifications

Copy Modes From the control panel and host:

•Color

•Black

Resolution/Quality

Standalone Mode

The following options are available in

standalone mode. These apply to color

copying:

Photo–600 X 600 ppi Color Scan

1200 X 1200 dpi print (by interpolation for

all papers including glossy paper)

Normal–300 X 300 ppi Color Scan

600 X 600 dpi print (by interpolation for all

papers including glossy paper)

Quick–150 X 150 ppi Color Scan

• 300 X 600 dpi print (by interpolation)

• 600 X 600 dpi print (by interpolation for

glossy paper)

The following options are available in

standalone mode. These apply to black-

and-white copying:

Photo–600 X 600 ppi Grayscale Scan

1200 X 1200 dpi print (by interpolation)

Normal–300 X 300 ppi Grayscale Scan

600 X 600 dpi print (by interpolation)

Quick–150 X 150 ppi Grayscale Scan

300 X 600 dpi print (by interpolation)

1-4 Service Manual

4418-X6X

Print speed

Resolution/Quality

Host-Based Mode

The following options are available in host-

based mode. These apply to color/

grayscale copying:

Photo–300 X 300 ppi Scan

• 1200 X 1200 dpi print

• 4800 X 1200 dpi print (for glossy paper)

Normal–200 X 200 ppi Scan

• 600 X 600 dpi print

• 1200 X 1200 dpi print (for glossy paper)

Quick–150 X 150 ppi Scan

• 300 X 600 dpi print

• 600 X 600 dpi print (for glossy paper)

The following options are available in host-

based mode. These apply to black-and-

white copying:

Photo–600 X 600 ppi Scan

• 1200 X 1200 dpi print

• 4800 X 1200 (for glossy paper)

Normal–300 X 300 ppi Scan

• 600 X 600 dpi print

• 1200 X 1200 dpi print (for glossy paper)

Quick–150 X 150 ppi Scan

• 300 X 600 dpi print

• 600 X 600 dpi (for glossy paper)

Print Speeds • Quick print: 25 ppm mono/19 ppm color

• Normal print: 10 ppm mono/5 ppm color

General information 1-5

4418-X6X

Using the control panel

Press To

1 Quick Dial

buttons (1—5)

Access any of the five programmed Speed Dial

numbers.

2 Copy Mode Access the copy menus and make copies.

Note: The mode is selected when the button light is on.

3 Scan Mode Access the scan menus and scan documents.

Note: The mode is selected when the button light is on.

4 Fax Mode Access the fax menus and send and receive faxes.

Note: The mode is selected when the button light is on.

5 Fax Auto

Answer

Answer all incoming calls when lit.

1

2

3

4

5

6

7

1

2

3

4

5

6

7

1-6 Service Manual

4418-X6X

6 Redial/Pause • Redial the last number entered when the machine is

in Fax mode.

• Insert a three-second pause in the number to be

dialed. Enter a pause only when you have already

begun entering the number.

7 Phone Book Access any of the programmed Speed Dial numbers

(1—89) or Group Dial numbers (90—99).

Press To

1 Lighter/

Darker

Adjust the brightness of a copy or fax

2 • Increase a number.

• Scroll through menus, submenus, or settings on the

display.

3 • Choose a menu or submenu item that appears on the

display.

• Save settings.

Press To

1

2

3

4

8

5

6

7

General information 1-7

4418-X6X

4 • Decrease a number.

• Scroll through menus, submenus, or settings on the

display.

5 • Cancel a scan, copy, or print job in progress.

• Clear a fax number or end a fax transmission, and

return to the fax default screen.

• Exit a menu or submenu, and return to the default

copy, scan, or fax screen.

• Clear current settings or error messages, and return

to default settings.

6 Display the Copy, Scan, or Fax menu, depending on

which mode is selected.

7 Return to the previous screen.

8 Quality Adjust the quality of a copy, scan, or fax.

Press To

1-8 Service Manual

4418-X6X

Press To

1 A keypad

number or

symbol

In Fax mode:

• Enter fax numbers.

• Navigate an automated answering system.

• Select letters when creating a Speed Dial list.

• Type numbers to enter or edit the date and time

shown on the display.

In Copy mode: Select the number of copies you want to

make.

2 Start Color Start a color copy or scan job, depending on which

mode is selected.

3 Start Black Start a black-and-white copy, scan, or fax job,

depending on which mode is selected.

4 Power • Turn the All-In-One on and off.

• Stop the print, copy, fax, or scan process.

1

2

3

4

5 6

7

8 9

0

*

#

1

2

3

4

General information 1-9

4418-X6X

Maintenance approach

The diagnostic information in this manual leads you to the correct field

replaceable unit (FRU) or part. Use the error codes, symptom tables,

service checks, and diagnostic aids to determine the symptom and repair

the failure.

After you complete the repair, perform tests as needed to verify the repair.

Tools required for service

• Flat-blade screwdriver

• #1 Phillips screwdriver

• #2 Phillips screwdriver

• Spring hook

• Analog or digital multimeter

1-10 Service Manual

4418-X6X

Acronyms

ADF Automatic Document Feeder

B/M Bill of Material

CCD Charge Coupled Device

CIS Contact Image Sensor

DBCS Double Byte Character Set

DPOF Digital Print Order Format

DPS Direct Print Service

EOF End of Form

ESD Electrostatic Discharge

FFC Flexible Flat Cable

FPC Flat Printhead Cable

FRU Field Replaceable Unit

HVPS High Voltage Power Supply

KB Kilobyte

KBps Kilobytes per second (usually as Kbps)/KiloBytes per second

(usually as KBps)

LCD Liquid Crystal Display

LED Light-Emitting Diode

LVPS Low Voltage Power Supply

MPF Multipurpose Feeder

NVRAM Nonvolatile Random Access Memory

OEM Original Equipment Manufacturer

POR Power-On Reset

POST Power-On Self Test

ROM Read Only Memory

SBCS Single Byte Character Set

USB Universal Serial Bus

V ac Volts alternating current

V dc Volts direct current

ZIF Zero Insertion Force

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