Lexmark 4300 Manuale utente

4421-XXX

Lexmark™ 4300 Series

Photo 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

Revised 5-11-05

Edition: May 2005

T

he 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.

T

his 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

ServiceInfoAndTraining@Lexmark.com. Lexmark may use or distribute any of the

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

t

o you. You can purchase additional copies of publications related to this product by

c

alling 1-800-553-9727. In other countries, contact your point of purchase.

References in this publication to products, programs, or services do not imply that the

manufacturer intends to make these available in all countries in which it operates. Any

reference to a product, program, or service is not intended to state or imply that only that

product, program, or service may be used. Any functionally equivalent product, program,

or service that does not infringe any existing intellectual property right may be used

instead. Evaluation and verification of operation in conjunction with other products,

programs, or services, except those expressly designated by the manufacturer, are the

user’s responsibility.

Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc.,

registered in the United States and/or other countries.

Other trademarks are the property of their respective owners.

©

2005 Lexmark International, Inc.

A

ll rights reserved.

UNITED STATES GOVERNMENT RIGHTS

T

his software and any accompanying documentation provided under this agreement are

c

ommercial computer software and documentation developed exclusively at private

expense.

U.S.A. P/N 12G9470 Japanese P/N 12G9471

4421-XXX

Table of contents

iii

Table of contents

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

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

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix

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

Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

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

Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Navigating the control panel menus. . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Maintenance approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Tools required for service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

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

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

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

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

Catastrophic errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Non-catastrophic errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

POST symptom table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Symptom tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Carrier transport service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

CIS module assembly service check . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Maintenance station service check . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Paper feed service check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Power service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Print quality service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Scan and copy quality service check. . . . . . . . . . . . . . . . . . . . . . . . 2-17

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

Self Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

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

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

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

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

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

iv Service Manual

4421-XXX

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

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

ASF guide with spring removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Card reader access door removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Control panel cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Scanner module assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Print engine removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11

Base assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13

Carrier assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14

System board removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16

Maintenance station removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17

Rear cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-19

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

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

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

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

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

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

Assembly 1: Covers, scanner, and base. . . . . . . . . . . . . . . . . . . . . . . . . .7-2

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

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

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

Safety information v

4421-XXX

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.

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.

vi Service Manual

4421-XXX

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.

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.

Safety information vii

4421-XXX

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

4421-XXX

Preface ix

4421-XXX

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

4421-XXX

General information 1-1

4421-XXX

1. General information

The Lexmark™ 4300 Series (4421-XXX) Photo All-In-One features an

electro-mechanical color scanner, printer, and copier that creates characters

and graphics by composing programmed patterns of ink dots using a

printhead and liquid ink. 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 print 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 print cartridge.

1-2 Service Manual

4421-XXX

Power consumption

• Printing — 14.1 watts

• Idle — 9.7 watts

• Sleep — 8.0 watts

Scanner specifications

Scanner Type Flatbed, CIS

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 • 8.5 x 11.7 inches

• 215 x 297 mm

Scan Resolution • Horizontal: 1200 dpi

• Vertical: 2400 dpi

• Interpolated: 19,200 x 19,200

Resolution/Quality Select by setting print resolution in

printer driver and scan resolution in

scanner setting in the AIO center

when operating in host based mode.

Select resolution/quality from the

operator panel when operating in

standalone mode.

General information 1-3

4421-XXX

Control panel

Buttons Functions

1 Power This button turns the All-In-One on and off.

2 Rotate This button rotates the image on the control panel

display 90 degrees for easier viewing of photos.

3 Page Preview This button allows you to preview an image before it

is printed, scanned, or copied.

Note: Multiple previews can be made before

scanning.

In Photo Card mode, you can preview multiple

pages. Use the arrow buttons to scroll through the

photos.

4 Select • This button chooses a menu option.

• In Photo Card mode, this button selects or

deselects a photo to be printed.

5 Menu • Copy—Displays the Copy menu, or returns to the

default Copy menu screen.

• Scan—Displays the Scan menu, or returns to the

default Scan menu screen.

• Photo—Displays the Photo menu, or returns to

the default Photo menu screen.

12

11

2

1

10

3

9

4

5

8

6

7

1-4 Service Manual

4421-XXX

6Cancel • This button cancels a copy, scan, or print job.

• In Photo Card mode, this button deselects the

preview photo selected.

Other helpful information about this button:

• When viewing a photo, you can cancel all photo

selections. Press Cancel twice, and then follow

the instructions on the control panel display.

• When copying, press Cancel twice to return to the

default settings from a default mode screen.

7 Color Start This button starts a color copy, scan, or photo job,

depending on which mode is selected.

• Copy—Start a color copy.

• Scan—Start a color scan.

• Photo Card—Start a color print job.

8 Black Start This button starts a black-and-white copy, scan, or

photo job, depending on which mode is selected.

• Copy—Starts a black-and-white copy.

• Scan—Starts a black-and-white scan.

• Photo Card—Starts a black-and-white print job.

Buttons Functions

General information 1-5

4421-XXX

9Up Arrow • This button allows you to scroll through menu

options.

• This button changes the selected area when

cropping an image.

• In Photo Card mode, this button allows you to skip

forward through the memory card to view every

tenth picture on the control panel display.

• In Copy mode, this button changes the blank

paper size.

Down Arrow • This button allows you to scroll through menu

options.

• This button changes the selected area when

cropping an image.

• In Photo Card mode, this button allows you to skip

backward through the memory card to view every

tenth picture on the control panel display.

• In Copy mode, this button changes the blank

paper size.

Right Arrow (+) • This button allows you to scroll through menu

options.

• This button changes the selected area when

cropping an image.

• This button increases the number of copies.

• This button allows you to display the next picture

on a memory card.

Left Arrow (-) • This button allows you to scroll through menu

options.

• This button changes the selected area when

cropping an image.

• This button decreases the number of copies.

• This button allows you to display the previous

picture on a memory card.

10 Resize In Copy mode:

– This button enlarges or reduces an image.

In Scan mode:

– This button does not function.

In Photo Card mode:

– This button sets the image size of photos.

– While cropping, this button allows you to zoom

in or zoom out on a photo.

Buttons Functions

1-6 Service Manual

4421-XXX

Navigating the control panel menus

1. Press Mode to select the Copy, Scan, or Photo Card mode.

2. Press Menu to open the menu structure of the selected mode.

3. Press Up and Down Arrows to scroll through the menus in the current

mode.

4. Press Left and Right Arrows to scroll through the options list of the

highlighted item.

5. Press Select to choose a setting.

Maintenance approach

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

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

11 Number of

Copies

In Copy and Photo Card modes:

– This button specifies the number of copies to

print.

In Scan mode:

– This button does not function.

12 Mode This button selects Copy, Scan, or Photo Card mode.

Buttons Functions

General information 1-7

4421-XXX

Acronyms

ADF Automatic Document Feeder

ASF Automatic Sheet Feeder

B/M Bill of Material

CCD Charge Coupled Device

CIS Contact Image Sensor

DBCS Double Byte Character Set

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

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

1-8 Service Manual

4421-XXX

Diagnostic information

2-1

2. Diagnostic information

Use the error code tables, POST symptom table, symptom tables, and

service checks in this chapter to determine the All-In-One failure.

Start

Power-On Self Test (POST) sequence

Press the Power button to turn the All-In-One on.

1. The Power and Copy lights come on.

2. Lexmark 4300 Series appears on the LCD.

3. The Copy, Scan, and Photo Card lights go through a flashing

sequence, and then the Copy light stays on.

4. The carrier moves off the maintenance station, and then returns.

5. The scanner (CIS) moves from the home position, and then returns.

Note: After the sequence above, the Power light, Copy light, and LCD

remain on.

If the All-In-One completes POST with no errors, go to “Symptom tables”

on page 2-7, locate the symptom, and take the appropriate action.

If the All-In-One does not complete POST, go to the “POST symptom

table” on page 2-6, locate the symptom, and take the appropriate action.

4421-XXX

2-2 Service Manual

Error codes

Catastrophic errors

In this state, the All-In-One is in an error mode such that operation cannot

continue. These errors affect the entire All-In-One. The LCD is on and

operating. An error message is displayed on the LCD. The All-In-One

accepts data, but discards it and does not respond.

Catastrophic error list

Code Name Description Action

0000 NVRAM R/W There was an error

detected in reading or

writing NVRAM.

Unplug the All-In-One;

wait a few seconds,

then plug the

All-In-One back in and

turn the power on. If

the error remains,

clean the NVRAM by

pressing the Up

Arrow and Menu

button simultaneously.

The Self Test menu

appears; select Clean

NVRAM. If the error

continues, replace the

system board.

0001 Memory

Failure

Unable to initialize

memory

Unplug the All-In-One;

wait a few seconds,

then plug the

All-In-One back in and

turn the power on. If

the error remains,

clean the NVRAM by

pressing the Up

Arrow and Menu

button simultaneously.

The Self Test menu

appears; select Clean

NVRAM. If the error

continues, replace the

system board.

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