Lexmark 23XX Parts Breakdown
Lexmark 23XX Series
• Table of Contents
• Start Diagnostics
• Safety and Notices
• Trademarks
23XX-XXX
• Index
• Manuals Menu
Lexmark and Lexmark with diamond
design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.
Second Edition (May, 1997)
THE FOLLOWING PARAGRAPH DOES NOT APPLY TO THE UNITED
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INCONSISTENT WITH LOCAL LAW: LEXMARK INTERNATIONAL, INC.
PROVIDESTHIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY
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Copyright Lexmark International, Inc. 1996
All rights reserved.
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Lexmark International, Inc., Greenwich, CT 06836.
Contents
NoticesandSafetyInformation..........................vii
SafetyNotices...................................... vii
Preface...............................................xi
GeneralInformation...................................1-1
Description....................................... 1-1
Specifications.................................. 1-3
Recommended Machine Usage. . . ................. 1-3
Options.......................................... 1-4
Tools............................................ 1-4
Abbreviations..................................... 1-5
SetupMode ...................................... 1-6
How To Change The Printer Functions .............. 1-6
Serial Interface Adapters . . .......................... 1-7
SerialInterfaceSwitches............................ 1-8
FunctionSwitchSetting.......................... 1-8
DiagnosticInformation ................................2-1
Start............................................ 2-1
Voltage, Ground, And Continuity Readings . . . ........ 2-1
ErrorIndicationTable............................... 2-2
Symptom/CheckTable.............................. 2-6
IrrecoverableOperatorErrors........................ 2-13
ServiceChecks................................... 2-14
AbnormalNoiseServiceCheck................... 2-14
Auto Sheet Feeder (ASF) Service Check............ 2-15
Carrier Drive, Home Position Sensor, Ribbon Feed Service
Check....................................... 2-17
IntermittentProblemServiceCheck................ 2-20
No Print or Abnormal Print Service Check ........... 2-23
Operator Panel Service Check.................... 2-24
Paper Empty Sensor Service Check ............... 2-26
Paper Feed Service Check ...................... 2-27
Paper Select Sensor Service Check ............... 2-30
POSTServiceCheck........................... 2-31
PowerServiceCheck........................... 2-32
PrintSpeedServiceCheck ...................... 2-34
Printhead Service Check ........................ 2-36
PullTractorSensorServiceCheck................ 2-38
TopofFormsProblemServiceCheck.............. 2-39
Tractor2ServiceCheck......................... 2-40
Contents iii
DiagnosticAids ......................................3-1
Power-OnSelfTest(POST) ......................... 3-2
PrintTest........................................ 3-3
HexDumpMode.................................. 3-5
Serial Interface Adapter Print T est..................... 3-6
RepairInformation....................................4-1
Handling ESD-Sensitive Parts ........................ 4-1
Adjustments...................................... 4-2
Printhead-to-Platen Gap Adjustment. ............... 4-2
Bidirectional Print Adjustment ..................... 4-5
RemovalProcedures............................... 4-7
Auto Sheet Feeder Gears Removal . ............... 4-8
Auto Sheet Feeder Pick-up Roller Removal .......... 4-9
BottomCoverRemoval......................... 4-10
CarrierRemoval .............................. 4-12
CarrierMotorAssemblyRemoval................. 4-16
CarrierPlateRemoval.......................... 4-18
Download or Print Buffer Module Removal .......... 4-21
FormThicknessLeverRemoval.................. 4-22
Head Gap Sensor Removal (238X-001) ............ 4-23
Head Gap Sensor Removal (23XX-002, 003) . . . ..... 4-24
HomePositionSensorRemoval.................. 4-25
Label Jam Removal............................ 4-26
LeftSideFrameRemoval....................... 4-28
LowerFeedRollerRemoval..................... 4-30
LowerPinchRollerRemoval..................... 4-32
Main Logic Board Removal ...................... 4-33
Operator Panel Assembly Removal . .............. 4-34
Paper Empty Sensor And Spring Removal .......... 4-36
Paper Feed Motor Removal ..................... 4-38
Paper Guide Removal (Left And Right)............. 4-39
Paper Guide / Platen Assembly Removal ........... 4-40
Paper Select Lever Removal..................... 4-42
Paper Select Sensor Removal ................... 4-43
Paper Separator Removal....................... 4-44
Power Supply Removal. . ....................... 4-46
PrintUnitRemoval............................. 4-47
Printhead Removal ............................ 4-48
Printhead Cables Removal ...................... 4-49
PullTractorRemoval........................... 4-50
PullTractorActuatorRemoval.................... 4-51
PullTractorSensorRemoval..................... 4-52
iv Service Manual
PushTractorAssemblyRemoval.................. 4-53
Ribbon Drive Rack Gear Removal . ................ 4-54
RightSideFrameRemoval...................... 4-56
RightSideFrameGearsRemoval................. 4-58
SubLogicBoardRemoval....................... 4-59
TensionPulleyPlateAssembly................... 4-60
TopCoverRemoval............................ 4-61
Top of Form Sensor, S ensor Flag And Spring Removal 4-64
Upper Feed Roller Removal...................... 4-66
ConnectorLocations ..................................5-1
FrontView.................................... 5-2
RearView..................................... 5-3
Tractor 2 Cable Connectors ....................... 5-4
WiringDiagrams................................... 5-5
Block Diagram 238X-001 ......................... 5-5
Block Diagram 239X-001 ......................... 5-6
Block Diagram 238X-002 ......................... 5-7
Block Diagram 239X-002 ......................... 5-8
Block Diagram 238X-003 ......................... 5-9
Block Diagram 239X-003 ........................ 5-10
Signal Connections................................ 5-11
ConnectorLocations............................... 5-20
MainLogicBoard23XX-001 ..................... 5-20
MainLogicBoard23XX-002 ..................... 5-21
MainLogicBoard23XX-003 ..................... 5-22
SubLogicBoards.............................. 5-23
Power Supply ................................. 5-25
Operator Panel................................ 5-26
PreventiveMaintenance ...............................6-1
Lubrication ....................................... 6-1
Specified Lubricants. . . .......................... 6-1
Lubrication Points............................... 6-2
Lubrication Points (Oil). .......................... 6-3
Lubrication Points (Grease) ....................... 6-4
Contents v
PartsCatalog ........................................7-1
HowToUseThisPartsCatalog....................... 7-1
Assembly 1: Major Components ...................... 7-2
Assembly2:Covers................................ 7-6
Assembly3:Carrier............................... 7-10
Assembly 4: Paper Guide / Platen / Feed Roller ......... 7-14
Assembly5:Electronics............................ 7-18
Assembly 6: ASF - Roller / Support ................... 7-24
Assembly7:ASF-SideFrame/Covers............... 7-26
Assembly8:Tractor2Option........................ 7-28
vi Service Manual
Notices and Safety Information
Safety Notices
•
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.
• The safety features of some parts may not always be obvious.
Therefore, replacement parts must have the identical or
equivalent characteristics as the original parts.
Sicherheitshinweise
• 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.
• Ersatzteile müssen gleiche oder gleichwertige Merkmale wie
die Originalteile aufweisen, da nicht immer offensichtlich ist,
welche Teile des Geräts Sicherheitsmerkmale aufweisen.
Consignes de Sécurité
• 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.
• Les normes de sécurité de certaines pièces n'étant pas toujours
explicites, les pièces de rechange doivent être identiques ou
conformes aux caractéristiques des pièces d'origine.
Notices and Safety Information vii
Norme di sicurezza
• 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.
• Poiché non tutti i pezzi di ricambio garantiscono la stessa
sicurezza, questi devono avere caratteristiche identiche o
equivalenti a quelle dei pezzi originali.
Pautas de Seguridad
• 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.
• Los dispositivos de seguridad de algunas piezas no siempre
pueden reconocerse a simple vista. Por lo tanto, los recambios
deben poseer características idénticas o equivalentes a las de
las piezas originales.
Informações de Segurança
• 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.
• Os dispositivos de segurança de algumas peças poderão não
ser sempre suficientemente evidentes. Assim, as peças
sobressalentes devem possuir características idênticas ou
equivalentes às peças originais.
viii
Informació de Seguretat
• 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.
• Les característiques de seguretat d’algunes de les peces poden
no ser òbvies. Per tant, les característiques dels recanvis
hauran de ser idèntiques o equivalents a les de les peces
originals.
Chinese Safety Information
Notices and Safety Information ix
Korean Safety Information
x
Preface
This manual is divided into the following chapters:
• “General Information” contains a general description of the
printer and the maintenance approach used to repair it. Special
tools and test equipment are listed in this chapter, as well as
general environmental and safety instructions.
• “Diagnostic Information” contains error code table, symptom
table,and service checks used to isolate failing field replaceable
units (FRUs).
• “Diagnostic Aids” contains tests and checks used to locate or
repeat symptoms of printer problems.
• “Repair Information” provides instructions for making printer
adjustments and removing and installing FRUs.
• “Connector Locations” uses illustrations to identify the major
components and test points on the printer.
• “Preventive Maintenance” contains lubrication specifications,
and maintenance information to prevent problems and maintain
optimum performance.
• “Parts Catalog” contains illustrations and part numbers for
individual FRUs.
Preface xi
xii
1. General Information
Description
The Lexmark 238X and 239X - XXX printers are small versatile
tabletopprinters suitable foruse in the home or small business. They
are especially well-suited for applications that use continuous or
multipart forms. The 2381 and 2391 are wide-carriage versions of
the 2380 and 2390.
The 23XX Plus (23XX-002) printers are enhanced versions of the
basic 23XX-001 printers. These printers have the following
additional features:
• Forms macro and smooth paper scrolling capability, available
from the operator panel.
• Option slot.
• Resident bar code.
• Quiet mode.
• Higher print speed (239X).
The 23XX Forms Printers (23XX-003), in addition to the features of
the 23XX-002 printers are 9% (9-wire machines) or 28% (24-wire
machines) faster in fast draft mode. They also support the Tractor 2
Options.
There is also a PS/1 version of the 2390-001, which has a distinctive
PS/1 logo but is otherwise identical to the 2390-001.
General Information 1-1
The followingtable summarizes the differences between the printers
in the 23XX family:
US Logo
Name
WTCLogo
Name
MachType
Model #
No. of
Print
Wires
Paper
Width
Paper
Knob
PPSII 2380 2380 2380-001 9 Narrow Yes
PPSII 2381 2381 2381-001 9 Wide Yes
PPSII 2390 2390 2390-001 24 Narrow Yes
PPSII 2391 2391 2391-001 24 Wide Yes
PS/1 N/A 2390-PS1 24 Narrow Yes
2380 Plus 2380 Plus 2380-002 9 Narrow No
2381 Plus 2381 Plus 2381-002 9 Wide No
2390 Plus 2390 Plus 2390-002 24 Narrow No
2391 Plus 2391 Plus 2391-002 24 Wide No
Forms
Printer
2380 Plus
Forms
Printer
2381 Plus
Forms
Printer
2390 Plus
Forms
Printer
2380 Plus
Forms
Printer
2381 Plus
Forms
Printer
2390 Plus
2380-003 9 Narrow No
2381-003 9 Wide No
2390-003 24 Narrow No
Forms
Printer
2391 Plus
1-2
Forms
Printer
2391 Plus
2391-003 24 Wide No
Specifications
• Printhead life: 140 Million Characters
• Ribbon Life: 4 Million Characters
• Printer Life: 5 Years
• BTU: 409-Maximum/51 Idle (Per Hour)
• Power Consumption: 120 Watts-Maximum/15 Watts Idle
Recommended Machine Usage
• 23XX-001 - 10 million characters per year.
• 23XX-002, 003 - 12 million characters per year.
The character usage per day is calculated by dividing the yearly
usage rating by 1300 characters per page, divided by 12 months per
year, by 22 working days per month. To reduce the probability of
reliability/service problems, field data has shown printer usage
should not exceed twice the daily page usage.
Notes:
• All numbers are average or estimates.
• Performance of individual printers may vary.
• Lexmark does not represent or warrant that printers will achieve
these results. (See the applicable statement of Limited Warranty
for all warranty information).
General Information 1-3
Options
The following options may be installed on 238X/239X printers:
• Auto Sheet Feeder (ASF)
• 32Kb Memor y Module, Volatile
• 32Kb Memor y Module, Non-volatile
• Serial Interface Attachment (RS232/RS422).
• Extended National Language Support modules (World Trade
only)
• Acoustics Option
• Extended Cut-sheet Paper Guides
• Tractor 2 (23XX-003 Only)
Tools
The basic tools needed are:
• Basic CE tool kit
• #1 Phillips screwdriver
• #2 Phillips screwdriver
• Feeler gauges 0.35 mm (0.014 in.) 0.4 m m (0.016 in.)
• Analog or digital volt-ohmmeter
1-4
Abbreviations
ASIC Application-Specific Integrated Circuit
CSU Customer Setup
DRAM Dynamic Random Access Memory
EPROM Erasable Programmable Read-Only Memory
ESD Electrostatic Discharge
FRU Field Replaceable Unit
HVPS High Voltage Power Supply
LAN Local Area Network
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
PQET Print Quality Enhancement Technology
ROS Read-Only Storage
SRAM Static Random Access Memory
UPR Used Parts Replacement
V ac Volts alternating current
V dc Volts direct current
General Information 1-5
Setup Mode
How To Change The Printer Functions
1. Make sure continuous forms are in the printer.
2. Press Alt and then press Setup to enter Setup Mode.The
printer prints out the Main Menu.
3. To select a function, press the buttons listed on the printout.
4. To save the setting and leave Setup Mode, press Start/Stop
until out of the menu.
1-6
Serial Interface Adapters
The 23XX printer product line uses three different serial adapters.
• 23XX-001:
• Snaps on back of the printer and plugs into the parallel port.
• Power lead plugs into the printer’s +5 V port.
• Switch settings are for “Snap-On”.
• 23XX-002:
• In-line gray box with a short cable to the parallel port.
• Some units have a separate power lead to the +5 V port.
• Units without the power cord will not work on the 23XX-001.
• Switch settings are for “Gray”.
• 23XX-003:
• Similar to the 23XX-002, but different switch definitions.
• All units have a power lead.
• Switch settings are for “Black”.
Notes:
• Except as noted, all adapters work with all printers.
• Some adapters may be installed on printers other than what is
listed.
• Only the “Black” adapter is available as a FRU.
• Changes to switch settings are valid only after printer power is
turned off and then on again.
• Contact Lexmark Technical Support for questions about serial
adapters.
General Information 1-7
Serial Interface Switches
The serial interface has 12 function switches which determine how
the printer receives data from the computer or terminal. Set the
switches according to your particular equipment requirements.
Function Switch Setting
Switches 1 To 4 - Speed:
Define the serial interface speed in bits per second (bps).
Snap-On and Gray Serial Adapters
Switch1 Switch 2 Switch 3 Switch 4 Speed (bps)
On On Off Off 150
On Off On Off 300
On Off Off Off 600
Off On On Off 1,200
Off On Off Off 2,400
Off Off On Off 4,800
1-8
Off Off Off Off 9,600
On On On Off 19,200
OffOffOffOn 38,400
(RS-422 only)
Black Serial Adapter
Switch1 Switch 2 Switch 3 Speed (bps)
N/A N/A N/A 150
On Off On 300
On Off Off 600
Off On On 1,200
Off On Off 2,400
Off Off On 4,800
Off Off Off 9,600
On On On 19,200
On On Off 38,400
(RS-422 Only)
Switch 5 - Data Bits:
Selects the number of data bits (7 or 8) in each data frame.
Switch 5 Data Bits
Off 8
On 7
General Information 1-9
Switches 6 and 7 - Parity:
Select the interface parity.
Switch 6 Switch 7 Parity
Off Off No
Off On Ignore
On Off Odd
On On Even
Note: When setting the “Ignore” for parity, the printer ignores the
received parity and transmits using even parity. For all other par ity
settings, the transmitted parity matches the received parity.
Switch 8 - Stop Bits (Snap-On):.
Switch 8 Stop Bits
Off 1 Stop Bit
On 2 Stop Bits
Switch 8 - Buffer Size (Gray and Black):
Selects the buffer size.
Switch 8 Buffer Size
Off Normal (2048 bytes)
On Minimum (2 bytes)
1-10
Switch9-Protocol:
Selectsthetypeofprotocol.Differsdependingonwhichserial
interfaceunitisinstalled.
Snap-OnandGrayUnits
Protocol
Switch9
Snap-On Gray
Off XON/XOFF DTRPacing(RS232only)
On DTRpacing(RS232only) XON/XOFF
BlackUnits
Switch4 Switch9 Protocol
Off On XON/XOFF
Off Off DTRpacing(RS232only)
On Off DTR+XON/XOFF
Off On RobustXON/XOFF
Note:DTRprotocolisforRS-232Conly.
Switch10-PrintTest(AllUnits):
Selectstheprinttestfortheserialinterfaceadapter.Referto“Serial
InterfaceAdapterPrintTest”onpage3-6.
Switch10 PrintTest
Off Normalmode
On Testmode
GeneralInformation1-11
Switch 11- Polarity For RS-422 Serial Interface (All Units):
NOR/REV reverses the polarity of the receive and transmit data line
for the RS-422 serial interface.
Switch 11 Mode
Off Normal
On Reverse
Switch 12 - Serial Interface Mode Select: (All Units)
Switch 232/422 sets the serial interface in either
RS-232C or RS-422 mode.
Switch 12 Mode
Off RS-232C
On RS-422
1-12
2. Diagnostic Information
Start
Make a quick visual check for defects (loose or broken parts,
unplugged connectors, paper jams, and so on).
Voltage, Ground, And Continuity Readings
Voltage Readings
All DC voltages must be within +5% through -10% of the values to
be considered correct. Unless stated otherwise, all connectors
should be connected normally when a voltage measurement is
done.
When a “Line Voltage” measurement is to be done, the voltage on
United States and Canada machines should be between 100 V ac
and 127 V ac. On World Trade machines, the voltage is according to
each country’s specification.
Ground Checks
To check for a correct ground, measure the voltage between the
ground and a known good voltage source. The voltage
measurement must be the same as the source voltage to consider
that the ground is correct. Continuity measurements may be used to
check grounds, however, be sure to measure to a known good
ground using the lowest ohms scale and check for zero ohms.
Note: Always unplug the power cord before doing any continuity
measurement.
Continuity Readings
When measuring continuity, be sure no back circuits affect the
measurement. If necessary, unplug connectors to remove any back
circuits. Zero the ohm range on the lowest scale (X1). An open
circuit will read infinity. A circuit with correct continuity will read zero
ohms.
Diagnostic Information 2-1
ErrorIndicationTable
Thefollowingtabledescribestheservicecheckentriesfortheprinter
errorindicationcodes.
Whenanerrorindicationchangesafteryouhaveenteredaservice
check,youhaveanintermittentproblem.Ifthisoccurs,leavethe
servicecheckandgoto“Symptom/CheckTable”onpage2-6.
Indication Alarm Action
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
None PostError
Goto“POSTServiceCheck”onpage
2-31.
None RAM,ROM,TimerInterruptController
Error
Turnthemachineoffandthenon.Ifyou
getthesameerrorduringpower-up,
replacethemainlogicboardand
readjustthebidirectionalprint
adjustment.Iftheprintercompletes
POSTsuccessfullyandeventuallygets
thesameerror,goto“Intermittent
ProblemServiceCheck”onpage2-20.
2-2
Indication Alarm Action
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
ON
BLINK
BLINK
OFF
BLINK
OFF
OFF
ON
BLINK
BLINK
BLINK
OFF
OFF
OFF
ON
BLINK
BLINK
BLINK
BLINK
OFF
OFF
None SwitchScanTestError
Goto“OperatorPanelServiceCheck”
onpage2-24.
None NVRAMRead/WriteError
Turnthemachineoffandthenbackon.
Ifyougetthesameerrorduringpowerup,replacethemainlogicboardand
readjustthebidirectionalprint
adjustment.Iftheprintercompletes
POSTsuccessfullyandeventuallygets
thesameerror,goto“Intermittent
ProblemServiceCheck”onpage2-20.
Beeps
10
times
HomePositionError
Goto“CarrierDrive,HomePosition
Sensor,RibbonFeedServiceCheck”on
page2-17.
Tractor2HomePositionError
IfTractor2isinstalled,removeitto
determinewhethertheproblemiswith
thecarrierhomesensorortheTractor2
homesensor.Refertothe“Tractor2
ServiceCheck”onpage2-40.
None HomePositionErrorWithoutAlarm
Goto“PowerServiceCheck”onpage
2-32.
DiagnosticInformation2-3
Indication Alarm Action
None LogicalError
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
ON
BLINK
BLINK
BLINK
OFF
BLINK
OFF
Turnthemachineoffandthenbackon.
Ifyougetthesameerrorduring
power-up,replacethemainlogicboard
andreadjustthebidirectionalprint
adjustment.Iftheprintercompletes
POSTsuccessfullyandeventuallygets
thesameerrorcheck,goto“Intermittent
ProblemServiceCheck”onpage2-20.
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
LED Status
Power
Ready
Paper
Font
Pitch
Alt
Others
ON
BLINK
BLINK
OFF
BLINK
BLINK
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
None HardwareDriveError
Theprintheadortheprintheadcables
cancausethiserror.Goto“Printhead
ServiceCheck”onpage2-36.
Turnthemachineoffandthenbackon.
Ifyougetthesameerror,replacethe
mainlogicboardandreadjustthe
“BidirectionalPrintAdjustment”onpage
4-5.IftheprintercompletesPOST
successfullyandeventuallygetsthe
sameerror,goto“IntermittentProblem
ServiceCheck”onpage2-20.
Iftheproblemstillexists,removethe
newmainlogicboard,installtheold
mainlogicboard,thenreplacethesub
logicboard.
None PowerFailure
Checkthecontinuityofthepowercord
andthevoltageoftheuser’soutlet.If
theyarecorrect,goto“PowerService
Check”onpage2-32.
2-4
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