Lexmark 450 Service manual
Lexmark™ 450 Series
Photo Jetprinter™
• Table of contents
• Start diagnostics
• Safety and notices
4350-X6X
• Trademarks
•Index
Lexmark and Lexmark with diamond
design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.
4350-X6X
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
ServiceInfoAndTraining@Lexmark.com. 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.
Photo Jetprinter is a trademark of Lexmark International, Inc.
Other trademarks are the property of their respective owners.
© 2005 Lexmark International, Inc.
All rights reserved.
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 12G9496
Japanese P/N 12G9497
4350-X6X
Table of contents
Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Supported memory cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Using the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Control panel buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Resolution and print speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Maintenance approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Diagnostic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Power-On-Self Test (POST), sequence. . . . . . . . . . . . . . . . . . . . . . . 2-1
Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
POST symptom table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Symptom tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Carrier transport service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Maintenance station service check . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Paper feed service check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Power service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Print quality service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Control panel service check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Diagnostic aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Self Test menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Printing a test page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Repair information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Handling ESD-sensitive parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Removal procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Releasing plastic latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Table of contents
iii
4350-X6X
Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
General precautions on removals . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
CD drive bezel removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Paper support removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Top cover assembly and midframe cover removal . . . . . . . . . . . . . . .4-5
System board bottom cover removal. . . . . . . . . . . . . . . . . . . . . . . . . .4-7
CD drive with CDRW card and shield removal . . . . . . . . . . . . . . . . . .4-8
System board with card reader card, top cover, and cables removal4-10
Print engine assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
Engine card removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13
Encoder strip removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
Carrier assembly with belt, cables, and cable clip removal . . . . . . . .4-15
Maintenance station removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16
Printer base assembly and base cover removal . . . . . . . . . . . . . . . .4-18
Exit tray door removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-20
Locations and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Engine card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
System board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Card reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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: Print engine, carrier, and electronics . . . . . . . . . . . . . . . . . .7-6
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1
Part number index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-3
iv Service Manual
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'adressen t
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.
4350-X6X
Safety information v
4350-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.
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.
vi Service Manual
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.
4350-X6X
Safety information vii
4350-X6X
viii Service Manual
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 printer 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 printer problems.
4. Repair information provides instructions for making printer
adjustments and removing and installing FRUs.
5. Locations and connectors uses illustrations to identify the connector
locations and test points on the printer.
6. Preventive maintenance contains the lubrication specifications and
recommendations to prevent problems.
7. Parts catalo g contains illustrations and part numbers for individual
FRUs.
4350-X6X
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.
Preface ix
4350-X6X
x Service Manual
4350-X6X
1. General information
The Lexmark™ 450 Series Photo Jetprinter™ (4350-X6X) is a small
personal inkjet printer designed specifically for standalone portable
photographic printing. The printer incorporates a new photo control panel
into the cover and has slots to support the compact flash and smart media.
General information 1-1
4350-X6X
Supported memory cards
1. Mini Secure Digital (with adapter)
2. CompactFlash Type I and Type II
3. Secure Digital
4. Multi Media Card
5. SmartMedia
6. XD Picture Card
7. Memory Stick and Memory Stick Pro
8. Memory Stick Duo and Memory Stick Duo Pro (with adapter)
Using the control panel
Power button
Before attempting to use the control panel, be sure the Power button on
the front of the printer is on.
Use to:
• Turn the printer on and off.
• Stop the print process.
1-2 Service Manual
Control panel buttons
6
5
4
1
2
3
Note: The availability of some of these functions depends on your place
within the menu you have selected.
4350-X6X
Press To
1 • Scroll through menus or menu options.
• Change settings on a submenu item.
• Display the next picture.
2 • Start printing.
• Start a slide show.
• Start writing to a CD.
Note: This button has no effect when you are on the
opening screen of a menu.
3 • Edit photos.
• Change the number of copies.
Note: This button has no effect when you are on the
opening screen of a menu.
General information 1-3
4350-X6X
Press To
4 • Return to the previous or beginning screen.
• Clear the selected preview photo from the list.
Note: This button has no effect when you are on the
opening screen of a menu.
5 • Scroll through menus or menu options.
• Change settings on a submenu item.
• Display the previous picture.
6 • Select a menu or menu option.
• Select or clear a photo from the list to be printed.
• Apply a photo editing feature.
Resolution and print speed
Color
Photo image:
• Normal –1200 x 1200 dpi
• Photo – 2400 x 1200 dpi
• Max – 4800 x 1200 dpi
Normal, 4 x 6 image, card stock:
48 seconds
Photo, 4 x 6 image:
170 seconds
1-4 Service Manual
4350-X6X
Maintenance approach
The diagnostic information in this manual leads you to the correct field
replaceable unit (FRU) or part. Use the error code table, error message
table, POST symptom table, symptom tables, service checks, and
diagnostic aids to determine the symptom and repair the failure. Begin with
“Start” on page 2-1.
After you complete the repair, perform tests as needed to verify the repair.
General information 1-5
4350-X6X
Acronyms
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
LCD Liquid Crystal Display
LED Light-Emitting Diode
LVPS Low Voltage Power Supply
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
(usually as KBps)
1-6 Service Manual
2. Diagnostic information
Use the error code table, POST symptom table, symptom tables, and
service checks in this chapter to determine the printer failure.
Start
Power-On-Self Test (POST), sequence
Press the Power button to turn on the printer.
1. The light comes on.
2. Lexmark appears on the LCD.
3. The paper feed motor cycles, and then stops.
4. The carrier moves off the maintenance station, and then returns.
5. Progress Bar appears on the LCD.
6. Lexmark appears on the LCD.
7. View and Print appears on the LCD.
If the printer completes POST with no errors, go to “Symptom tables” on
page 2-8, locate the symptom, and take appropriate action.
If the printer does not complete POST, go to the “POST symptom table”
on page 2-7, locate the symptom, and take the appropriate action.
4350-X6X
Diagnostic information
2-1
4350-X6X
Error codes
Code Name Description Action
0000 NVRAM R/W An error was detected
in reading or writing
NVRAM.
0001 Memory Failure Unable to initialize
memory
0002 Hardware Failure General hardware
0003 ROM Checksum
Error
0200 Flash
Programming
1003 Paper System
Failure
failure (unable to
localize failure to a
specific system)
Unable to verify
ROM/Flash contents
Unable to program
flash memory
Failure in initializing
DC paper feed
system
Replace the system
board.
Replace the system
board.
Replace the system
board.
Replace the system
board.
Unplug the printer;
wait a few seconds,
then plug the printer
back in and turn the
power on. If the error
remains, replace the
USB cable. If the
error continues,
replace the system
board.
Replace the engine
card. If the error
remains, replace the
system board.
1102 Incorrect
Printhead
1201 Print Incomplete The print carrier
1203 Printhead Short A short test detected
1204 Printhead
Programming
Printhead ID is not
valid.
stopped before all the
data was used.
a short-circuit in the
printhead.
Unable to program
pseudo-random
printhead ID
2-2 Service Manual
Replace the print
cartridge.
Resend the print job.
Replace print
cartridge.
Replace print
cartridge.
Code Name Description Action
4350-X6X
1206 Color TSR Error Problem in color TSR
circuit; cannot
determine printhead
temperature
1207 Paper System
Error
2301 General
Communications
Error
4301 CD Drive Failure There is a general CD
A paper system error
control failure was
detected.
The attached
communications
adapter reports that it
is not functional.
drive error. The CD
drive is unusable.
Replace print
cartridge.
Replace the engine
card. If the error
remains, replace the
system board.
Replace the radio.
Replace the CD
drive.
Diagnostic information
2-3
4350-X6X
Error messages
LCD title What caused the error
Action
required to
clear error
LCD main text
Paper Out Paper out occurred
during printing.
Carrier Jam Printhead carrier jam
occurred during
printing.
Paper Jam Paper jam occurred
during printing.
Cover Open Cover was open when
a print job was initiated.
Cartridge
Missing
Alignment
Error
A missing print
cartridge is detected.
An alignment error
occurred, which means
tape was left on the
print cartridge or a
sensor failed.
Load paper
and press
to feed.
Press to
clear the
message.
Press to
clear the
message.
Close the
cover to
automatically
resume job.
Automatically
clears when
print cartridge
is detected.
Press to
restart the
alignment
process.
1. Add paper.
2. Press Select to
continue.
1. Clear the
carrier jam.
2. Press Select to
continue.
1. Clear the paper
jam.
2. Press Select to
continue.
Close the cover to
continue.
1. Install a color
print cartridge.
2. Press Select to
continue.
1. Ensure the
tape is
removed from
the cartridge.
2. Press Select to
retry alignment.
None Appears once at the
start of printing a page,
within a print job, when
a low ink error level has
been reached in the
previous page. These
levels are 25% left and
15% left.
2-4 Service Manual
Press to
start the job.
Press to
cancel the
job.
(Ink level screen
is displayed)
Press Select to
continue.
LCD title What caused the error
Action
required to
clear error
4350-X6X
LCD main text
None Appears once at the
start of printing a page,
within a print job, when
a low ink status level
has been reached in
the previous page.
These level is 10% left.
None Memory card is
inserted in the wrong
orientation or is
damaged.
None A second memory card
is inserted.
DPOF Error While processing a
DPOF file on a media
card, one or more files
referenced in a DPOF
print job could not be
found.
Press to
start the job.
Press to
cancel the
job.
Message
goes away
when card is
removed or
inserted
correctly.
Message
goes away
when both
memory cards
are removed.
Press to
continue the
print job,
skipping over
missing
image files.
<Ink level screen
is displayed.>
Press Select to
continue.
There is a
problem reading
the memory card.
Ensure that it is
not damaged and
is inserted
correctly.
A second memory
card has been
detected. Please
remove both
memory cards.
One or more
images requested
by the DPOF file
could not be
found.
Press Select to
finish the print job
without these
images, or the
Return button to
end this job.
DPOF Error A DPOF job is being
printed and the
requested image size is
larger than the blank
paper size in the
printer.
Press to
allow the
selection of a
new blank
paper size.
Press to
cancel the
current DPOF
print job.
Diagnostic information
You have
<number> photos
larger than the
selected blank
paper size.
Press Select to
pick a new blank
paper size to fit
<largest paper
size> photos.
2-5
4350-X6X
LCD title What caused the error
Action
required to
clear error
LCD main text
None A memory card is
inserted that has no
images.
Card Format A memory card is
PictBridge
Port
Cartridge
Error
N/A While a camera
inserted that has
incorrect format. An
error is displayed that
the card format is
unsupported.
An unsupported device
is attached to the DPS/
Flash port.
An unsupported print
cartridge is installed.
supporting PictBridge is
connected to the DPS
port, the user presses
an unsupported button.
Message
goes away
when card is
removed.
Message
goes away
when card is
removed.
Message
goes away
when device
is removed.
Clears when
unsupported
print cartridge
is removed.
The error
message
remains on for
approximately
three seconds
then returns
to the
PictBridge
port display.
No supported
images found on
the memory card.
The memory card
formatting is not
supported.
Format the card
in your digital
camera.
The attached
camera or device
does not support
PictBridge;
disconnect it.
None
Unplug the
camera to use
other printer
features.
2-6 Service Manual
LCD title What caused the error
Action
required to
clear error
4350-X6X
LCD main text
N/A While a camera
supporting PictBridge is
connected to the DPS
port, the user opens the
cartridge access cover.
POST symptom table
Symptom Action
light does not come
on; motors do not
operate.
The paper feed gears do
not turn.
• The carrier does not
move.
• The carrier slams the
side frame.
Go to the “Power service check” on
page 2-14. If okay, go to “Control panel
problems” on page 2-8.
Go to the “Paper feed service check” on
page 2-13.
Go to the “Carrier transport service check” on
page 2-10.
The error
message
remains on for
approximately
one minute or
until the
camera is
unplugged or
the access
cover is
closed, and
then returns
to the
PictBridge
port display.
Unplug the
camera to use
other printer
features.
• The LCD does not
display.
• The buttons do not
work.
• The lights do not come
on.
Go to the “Control panel service check” on
page 2-17.
Diagnostic information
2-7
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