Epson L120 User manual

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SERVICE MANUAL
SERVICE MANUAL
CONFIDENTIALCONFIDENTIAL
Color Inkjet PrinterColor Inkjet Printer
L120L120
SEIJ13-005SEIJ13-005

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ConfidentialConfidential
Notice:Notice:
 All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form orany form or
by any means, electronic, mechaby any means, electronic, mechanical, photocopying, recording, or othenical, photocopying, recording, or otherwise, without the prior written permission ofrwise, without the prior written permission of
SEIKO EPSON CORPORATION.SEIKO EPSON CORPORATION.
 All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors beAll effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be
detected, SEIKO EPSON would greatly appreciate being infordetected, SEIKO EPSON would greatly appreciate being informed of them.med of them.
 The contents of this manual are subject to change without notice.The contents of this manual are subject to change without notice.
 The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in thisThe above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this
manual or the consequences thereof.manual or the consequences thereof.
EPSON is a registered trademark of SEIKO EPSON CORPORATION.EPSON is a registered trademark of SEIKO EPSON CORPORATION.
Note Note :Other product :Other product names used hernames used herein are for idenein are for identification purpose only and may tification purpose only and may be trademarks or rebe trademarks or registeredgistered
trademarks of their respective owners. EPSON disclaims any and all rights in those marks.trademarks of their respective owners. EPSON disclaims any and all rights in those marks.
CopyrightCopyright  20142014 SEIKO EPSON CORPORATIONSEIKO EPSON CORPORATION
Printer CS Quality Printer CS Quality Assurance DepartmentAssurance Department

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ConfidentialConfidential
Safety PrecautionsSafety Precautions
All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining thisAll safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this
product.product.
DANGERDANGER
Strictly observe the following cautions. Failure to comply could result in serious bodily injury or loss of life.Strictly observe the following cautions. Failure to comply could result in serious bodily injury or loss of life.
1.1. Always diAlways disconnsconnect the prodect the product from thuct from the power soue power source and perirce and peripherpheral deviceal devices when servics when servicing the proing the product orduct or
performing maintenance.performing maintenance.
2.2. When perWhen performiforming works deng works describescribed in this manuald in this manual, do not conne, do not connect to a power sourct to a power source until instce until instructed to do soructed to do so..
Connecting to a power source causes high voltage in the Connecting to a power source causes high voltage in the power supply unit and some electronic componentspower supply unit and some electronic components
even if the product power switch is off. If you need to perform the work with the even if the product power switch is off. If you need to perform the work with the power cable connected to apower cable connected to a
power source, use extreme caution power source, use extreme caution to avoid electrical shock.to avoid electrical shock.
WARNINGWARNING
Strictly observe the following cautions. Failure to comply may lead to personal injury or loss of life.Strictly observe the following cautions. Failure to comply may lead to personal injury or loss of life.
1.1. Always weaAlways wear protecr protective gogtive goggles for disgles for disassembassembly and reassly and reassembly to prembly to protect yootect your eyes frour eyes from ink in workinm ink in working. Ifg. If
any ink gets in your eyes, wash your eyes with clean water and consult a doctor immediately.any ink gets in your eyes, wash your eyes with clean water and consult a doctor immediately.
2.2. When usinWhen using compreg compressed air prossed air products; suducts; such as air dusterch as air duster, for cleani, for cleaning durinng during repair and mag repair and maintenintenance, the useance, the use
of such products containing flammable gas is of such products containing flammable gas is prohibited.prohibited.
PRECAUTIONSPRECAUTIONS
Strictly observe the following cautions. Failure to Strictly observe the following cautions. Failure to comply may lead to personal injury or damage comply may lead to personal injury or damage of the product.of the product.
1.1. RepaiRepairs on Epsors on Epson produn product shouct should be perfld be performed oormed only by an Epnly by an Epson certson certified reified repair tecpair techniciahnician.n.
2.2. No work shouNo work should be perfold be performed on this prrmed on this producoduct by persons unt by persons unfamilifamiliar with basic safar with basic safety knowety knowledge reledge requirequired ford for
electrician.electrician.
3.3. The poweThe power rating or rating of this prodf this product is indicuct is indicated on the seated on the serial numrial number/rber/rating plating plate. Neveate. Never connecr connect this prodt this product touct to
the power source whose voltages is the power source whose voltages is different from the rated voltage.different from the rated voltage.
4.4. ReplaReplace malfunce malfunctionctioning comping componentonents only with thos only with those componse components provents provided or apprided or approved by Epsoved by Epson;on;
introduction of second-source ICs or other non-approved components may damage the introduction of second-source ICs or other non-approved components may damage the product and void anyproduct and void any
applicable Epson warranty.applicable Epson warranty.
5.5. The capacThe capacitors on thitors on the Main Boare Main Board may be electrid may be electrically chacally charged rigrged right after thht after the power ture power turns off or after drns off or after drivingiving
motors which generates counter electromotive force such as when rotating the PF Roller or when moving themotors which generates counter electromotive force such as when rotating the PF Roller or when moving the
CR Unit. There is a risk to damage the Main Board if the Head FFC is short-circuited with the capacitors onCR Unit. There is a risk to damage the Main Board if the Head FFC is short-circuited with the capacitors on
the Main Board electrically charged, therefore, after the power the Main Board electrically charged, therefore, after the power turns off or after motors are turns off or after motors are driven, leave thedriven, leave the
printer untouched for printer untouched for approximately 30 seconds to dapproximately 30 seconds to discharge the capacitors before starting discharge the capacitors before starting disassembly/isassembly/
reassembly.reassembly.
6.6. To preveTo prevent the circunt the circuit boards frit boards from shortom short-circu-circuiting, be cariting, be careful aboueful about the followt the following when haing when handlinndling FFC org FFC or
cables.cables.
 When handling FFC, take care not to let the terminal section of FFC touch metal parts.When handling FFC, take care not to let the terminal section of FFC touch metal parts.
 When connecting cables/FFC to the connectors on circuit boards, connect them straight to the connectors to avoidWhen connecting cables/FFC to the connectors on circuit boards, connect them straight to the connectors to avoid
slant insertion.slant insertion.

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ConfidentialConfidential
7.7. In order to protIn order to protect sensitiect sensitive micropve microprocessrocessors and circuors and circuitry, use statitry, use static dischargic discharge equipmee equipment, such as anti-snt, such as anti-statictatic
wrist straps, when accessing wrist straps, when accessing internal components.internal components.
8.8. Do not tilt this prodDo not tilt this product immeduct immediately afiately after initiater initial ink chargel ink charge, especial, especially after perly after performiforming the ink chargng the ink charge severale several
times. Doing so may cause ink to leak from the product because it times. Doing so may cause ink to leak from the product because it may take some time for the waste ink padsmay take some time for the waste ink pads
to completely absorb ink wasted due to completely absorb ink wasted due to the ink charge.to the ink charge.
9.9. Never toNever touch the ink ouch the ink or wasted inr wasted ink with bare hak with bare hands. If ink conds. If ink comes into comes into contact with yntact with your skinour skin, wash it off wit, wash it off withh
soap and water immediately. If you have soap and water immediately. If you have a skin irritation, consult a a skin irritation, consult a doctor immediately.doctor immediately.
10.10. When disassembling or When disassembling or assembling this product, assembling this product, make sure to wear make sure to wear gloves to avoid injugloves to avoid injuries from metal partsries from metal parts
with sharp edges.with sharp edges.
11.11. Use only recommenUse only recommended tools for ded tools for disassembling, assembling or addisassembling, assembling or adjusting the printer.justing the printer.
12.12. ObservObserve the specified torque the specified torque when tightenine when tightening screws.g screws.
13.13. Be extremely carefuBe extremely careful not to scratch l not to scratch or contaminate the or contaminate the following parts.following parts.
 Nozzle plate of the PrintheadNozzle plate of the Printhead
 CR ScaleCR Scale
 PF ScalePF Scale
 Coated surface of the PF RollerCoated surface of the PF Roller
 GearsGears
 RollersRollers

LCDLCD
 Scanner SensorScanner Sensor
 Exterior partsExterior parts
14.14. Never use oil or grease other than Never use oil or grease other than those specified in this manual. Use of diffthose specified in this manual. Use of different types of oil or grease mayerent types of oil or grease may
damage the component or give bad influence on damage the component or give bad influence on the printer function.the printer function.
15.15. Apply the Apply the specified amount specified amount of grease of grease described in described in this manual.this manual.
16.16. Make the Make the specified adjustments specified adjustments when you when you disassemble the pdisassemble the printer.rinter.
17.17. When cleaning this When cleaning this product, follow thproduct, follow the procedure de procedure described in this manuescribed in this manual.al.
18.18. When transporting this prodWhen transporting this product after filling the ink in the prinuct after filling the ink in the printhead, pack the printer withouthead, pack the printer without removing thet removing the
ink cartridges in order to prevent tink cartridges in order to prevent the printhead from drying out.he printhead from drying out.
19.19. Make sure to inMake sure to install antivirus software in thstall antivirus software in the computers used e computers used for the service sufor the service support activities.pport activities.
20.20. Keep the vKeep the virus pattern firus pattern file of antivile of antivirus software upirus software up-to-date.-to-date.
21.21. When disassembling/reassembling thWhen disassembling/reassembling this product, if yis product, if you find adhou find adhesive power of esive power of the double-sided tape the double-sided tape whichwhich
secure the parts or FFC is not enough, replace the tape with new one and attach it correctly to the specifiedsecure the parts or FFC is not enough, replace the tape with new one and attach it correctly to the specified
points where the parts or FFC shoupoints where the parts or FFC should be secured.ld be secured.
22.22. Unless otherwise specified in Unless otherwise specified in this manual, the labthis manual, the labels attached on the els attached on the returned product returned product should be transferrshould be transferred toed to
the corresponding attachment positions on the new the corresponding attachment positions on the new one referring to the labels on the one referring to the labels on the returned product.returned product.

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ConfidentialConfidential
About This ManualAbout This Manual
This manual, consists of the following chapters, is intended for repair service personnel and includes informationThis manual, consists of the following chapters, is intended for repair service personnel and includes information
necessary for properly performing maintenance and servicing the product.necessary for properly performing maintenance and servicing the product.
CHAPTER 1. TROUBLESHOOTINGCHAPTER 1. TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting.Describes the step-by-step procedures for the troubleshooting.
CHAPTER 2. CHAPTER 2. DISASSEMBLY / REASSEMBLYDISASSEMBLY / REASSEMBLY
Describes the disassembly/reassembly procedures for main parts/units Describes the disassembly/reassembly procedures for main parts/units of the product, and provides theof the product, and provides the
standard operation time for servicing the product.standard operation time for servicing the product.
CHAPTER 3. ADJUSTMENTCHAPTER 3. ADJUSTMENT
Describes the required adjustments for servicing the Describes the required adjustments for servicing the product.product.
CHAPTER 4. MAINTENANCECHAPTER 4. MAINTENANCE
Describes maintenance items and procedures for servicing the Describes maintenance items and procedures for servicing the product.product.
CHAPTER 5. APPENDIXCHAPTER 5. APPENDIX
Provides the following additional information for reference:Provides the following additional information for reference:
 Connector DiagramConnector Diagram
 Protection for TransportationProtection for Transportation
Symbols Used in this ManuSymbols Used in this Manualal
Various symbols are used throughout this manual Various symbols are used throughout this manual either to provide additional information on a specific either to provide additional information on a specific topic ortopic or
to warn of possible danger present to warn of possible danger present during a procedure or an action. Pay attention tduring a procedure or an action. Pay attention to all symbols when they areo all symbols when they are
used, and always read explanation thoroughly and follow the iused, and always read explanation thoroughly and follow the instructions.nstructions.
Indicates an operating or maintenance procedure, practice or condition that, if Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed,not strictly observed,
could result in serious injury or loss of life.could result in serious injury or loss of life.
Indicates an operating or maintenance procedure, practice, or condition that, if not strictly observed,Indicates an operating or maintenance procedure, practice, or condition that, if not strictly observed,
could result in bodily injury, damage or could result in bodily injury, damage or malfunction of equipment.malfunction of equipment.
May indicate an operating or maintenance procedure, practice or condition that May indicate an operating or maintenance procedure, practice or condition that is necessary tois necessary to
accomplish a task efficiently. It may also provide additional information that is related to a specificaccomplish a task efficiently. It may also provide additional information that is related to a specific
subject, or comment on the results subject, or comment on the results achieved through a previous action.achieved through a previous action.
For Chapter 2 “Disassembly/Reassembly”, symbols other than iFor Chapter 2 “Disassembly/Reassembly”, symbols other than indicated above are used to show additionalndicated above are used to show additional
information for disassembly/reassembly. For the details on information for disassembly/reassembly. For the details on those symbols, seethose symbols, see "2.2 Disassembly/Reassembly
"2.2 Disassembly/Reassembly
Procedures (p28)"Procedures (p28)"..

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Revision StatusRevision Status
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7
L120L120 Revision ARevision A
ConfidentialConfidential
ContentsContents
Chapter 1 TroubleshootingChapter 1 Troubleshooting
1.11.1 Troubleshooting.......................................................Troubleshooting.......................................................................................................................................................................................................................... ................................. 99
1.1.11.1.1 Troubleshooting Troubleshooting WorkflowWorkflow .......................................................................................................................................................................................................................................................... .. 99
1.21.2 Power-On Power-On SequenceSequence ................................................................................................................................................................................................................................................................. ............................... 1111
1.31.3 Fatal Fatal Error Error Code Code ListList............................................................................................................................................................................................................................................................... 13............................... 13
1.3.11.3.1 Printer Printer Fatal Fatal Error Error CodeCode ........................................................................................................................................................................................................................................... 13....................... 13
Chapter 2 Chapter 2 Disassembly/ReDisassembly/Reassemblyassembly
2.12.1 OverviewOverview ........................................................................................................................................................................................................................................................................................ .......................................... 1616
2.1.12.1.1 ToolsTools .................................................................................................................................................................................................................................................................................... .......................................... 1616
2.1.22.1.2 JigsJigs....................................................................................................................................................................................................................................................................................... ............................................. 1616
2.1.2.12.1.2.1 Making Making the the Spring Spring Hook Hook JigJig......................................................................................................................................................................................................................... 16........... 16
2.1.32.1.3 Locations Locations of of the the Parts/UnitsParts/Units ............................................................................................................................................................................................................................... 17....................... 17
2.1.42.1.4 Standard Standard Operation Operation Time Time for for Servicing Servicing the the ProductProduct ..................................................................................................................................................... 21....................... 21
2.1.52.1.5 Checks Checks and and Precautions Precautions before before DisassemblingDisassembling .................................................................................................................................................. 23.......................................... 23
2.1.5.12.1.5.1 Factors Factors which which Affect Affect the the Print Print QualityQuality .......................................................................................................................................................... 23.......................................... 23
2.1.52.1.5.2.2 FactoFactors which Affers which Affect the Safety of Serct the Safety of Service Persvice Personnel suconnel such as Ink Leakagh as Ink Leakage during Opere during Operationation ....................... . 2424
2.22.2 Disassembly/Reassembly Disassembly/Reassembly ProceduresProcedures ................................................................................................................................................................................................................... ....................... 2828
2.2.12.2.1 Disassembly Disassembly Flowchart..........................................................Flowchart..................................................................................................................................................................................... ....................... 2929
2.2.22.2.2 Disassembly Disassembly Flowchart Flowchart (Printhead/Main (Printhead/Main Board)Board) ............................................................................................................................................ 33.......................................... 33
2.32.3 Detailed Detailed Disassembly/Reassembly Disassembly/Reassembly Procedure Procedure for for each each Part/Unit........................................................................... 34Part/Unit........................................................................... 34
2.42.4 Routing Routing FFCs/cablesFFCs/cables ............................................................................................................................................................................................................................................................ .................................. 4040
Chapter 3 AdjustmentChapter 3 Adjustment
3.13.1 Required Required AdjustmentsAdjustments ........................................................................................................................................................................................................................................................... ............................... 4343
3.23.2 Adjustment Adjustment Program........................................................Program......................................................................................................................................................................................................... ............................... 4747
3.2.13.2.1 Operating Operating EnvironmentEnvironment ............................................................................................................................................................................................................................................. ....................... 4747
3.2.23.2.2 Details Details of of the the Adjustment Adjustment ProgramProgram ..................................................................................................................................................................................................................... 47........... 47
3.2.2.13.2.2.1 CR Motor CR Motor Heat Heat Protection ConProtection Control / trol / PF Motor PF Motor Heat Protection Heat Protection ControlControl .............................................. 47.............................................. 47
3.33.3 Mechanism Mechanism Adjustment Adjustment / / CheckCheck ............................................................................................................................................................................................................................................... 48........... 48
3.3.13.3.1 Checking Checking the the Platen Platen GapGap ......................................................................................................................................................................................................................................... 48....................... 48
3.3.23.3.2 CR/PF CR/PF Belt Belt Tension Tension Check...........................................Check.................................................................................................................................................................................... 50........................... 50
Chapter 4 MaintenanceChapter 4 Maintenance
4.14.1 OverviewOverview ........................................................................................................................................................................................................................................................................................ .......................................... 5353
4.1.14.1.1 Cleaning..................................................................................................Cleaning......................................................................................................................................................................................................... ......... 5353
4.1.24.1.2 Lubrication..............................................................Lubrication............................................................................................................................................................................................................... ............................... 5353
4.24.2 Lubrication Lubrication Points Points and and Instructions.......................................................................................Instructions......................................................................................................................... 54.................................. 54
Chapter 5 AppendixChapter 5 Appendix
5.15.1 Connector Connector DiagramDiagram ................................................................................................................................................................................................................................................................... ............................... 5757
5.25.2 Points to Points to be chebe checked becked before packing fore packing the printer.......................the printer.............................................................................................................................................................. ....................... 5757
5.35.3 Protection Protection for for TransportationTransportation ............................................................................................................................................................................................................................................. ....................... 5858
5.3.15.3.1 Securing Securing the the CR CR Unit..............................................................................Unit........................................................................................................................................................................................... 58... 58
5.3.25.3.2 Securing the Securing the Printer CoverPrinter Cover ................................................................................................................................................................................................................................... ....................... 5959

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CHAPTERCHAPTER 11
TROUBLESHOOTING
TROUBLESHOOTING

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L120L120 Revision ARevision A
1.1 Troubleshooting1.1 Troubleshooting
This section describes the This section describes the troubleshooting workflow and fatal error information.troubleshooting workflow and fatal error information.
1.1.1 1.1.1 Troubleshooting Troubleshooting WorkflowWorkflow
The following page describes the troubleshooting workflow. Follow the The following page describes the troubleshooting workflow. Follow the flow when troubleshooting problems.flow when troubleshooting problems.

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L120
L120 Revision ARevision A
1.2 1.2 Power-On Power-On SequenceSequence
This section describes the power-on sequences This section describes the power-on sequences in two conditions. The preconditions are as in two conditions. The preconditions are as follows.follows.
 Condition 1: Normal power-on sequence (SeeCondition 1: Normal power-on sequence (See Table 1-1
Table 1-1.).)
 Turning on the printer after turning it off without an error.Turning on the printer after turning it off without an error.
 Initial ink charge has finished and every cartridge has sufficient ink.Initial ink charge has finished and every cartridge has sufficient ink.
 No paper on the paper path.No paper on the paper path.
 The Printhead is capped with the Cap Assy.The Printhead is capped with the Cap Assy.
 The CR Unit is normally fixed by the Change Lever.The CR Unit is normally fixed by the Change Lever.
 Maintenance error recovery has never been performed.Maintenance error recovery has never been performed.
TablTable 1-1.e 1-1. CondCondition 1: Norition 1: Normal Powemal Power-on Seqr-on Sequencuencee
Operation
Operation*1*1
CR Unit/PF RollerCR Unit/PF Roller
movement andmovement and
positionposition*2*2
1.1. PrintPrinthead initiahead initializatlization and fuse inspection and fuse inspectionion
1-1.Initializes the Printhead, and checks for the fuse on the circuit boards in the printer.1-1.Initializes the Printhead, and checks for the fuse on the circuit boards in the printer.*3*3
2.2. CheckiChecking for ng for waste iwaste ink overnk overflowflow
2-1.Checks the waste ink counter if the waste ink overflow is occurring.2-1.Checks the waste ink counter if the waste ink overflow is occurring.
3.3. SeekinSeeking the g the home home positpositionion
3-1.The CR Unit moves to the 80-digit side slowly and confirms it touches the Change Lever (CR lock).3-1.The CR Unit moves to the 80-digit side slowly and confirms it touches the Change Lever (CR lock).
3-2.The CR Unit moves to the 0-digit side slowly.3-2.The CR Unit moves to the 0-digit side slowly.
3-3.After the PE Sensor checks if paper exists, the PF Motor rotates clockwise for one second and releases the CR lock.3-3.After the PE Sensor checks if paper exists, the PF Motor rotates clockwise for one second and releases the CR lock.
3-4.While checking if the CR Unit does not touch the Change Lever (CR lock) or the foreign material, the CR Unit3-4.While checking if the CR Unit does not touch the Change Lever (CR lock) or the foreign material, the CR Unit

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NoteNote 1:1: The rotation The rotation directions odirections of the PF Motof the PF Motor are as follor are as follows.ws.
CClloocckkwwiissee:: PPaappeer r iis s ffeed d nnoorrmmaallllyy
CoCoununtertercloclockckwiswise:e: PapPaper er is is fed fed babackwckwarardd
*2:*2: The condThe conditions of itions of the CR the CR lock are lock are as followas follows.s.
RReedd CCR R lloocck k iis s sseett
WWhhiittee CCR R lloocck k iis s rreelleeaasseedd
*3:*3: The fatal erroThe fatal error occurs if thr occurs if there is a probere is a problem such lem such as the fuse bas the fuse blew.lew.
*4:*4: The empty suctioThe empty suction operation mn operation may occur day occur depending oepending on the situationn the situation..
*5:*5: Executed Executed when the when the detected detected temperaturtemperature is unde is under 5er 5 ooC (41C (41ooF) by the thermistor on the Printhead.F) by the thermistor on the Printhead.
moves to the 80-digit side slowly until it touches the Left Frame.moves to the 80-digit side slowly until it touches the Left Frame.
3-5.The distance from the position where the CR Unit touched to the Left Frame is regarded as the standard distance3-5.The distance from the position where the CR Unit touched to the Left Frame is regarded as the standard distance
from the origin position, and the home position is fixed.from the origin position, and the home position is fixed.
From then on, the CR Unit position is monitored according to the signals from the CR Encoder.From then on, the CR Unit position is monitored according to the signals from the CR Encoder.
3-6.The CR Unit moves to near its home position quickly.3-6.The CR Unit moves to near its home position quickly.
4.4. PF MotPF Motor Measor Measureuremenmentt
4-1.The PF Motor rotates clockwise until the PF Roller turns five times to perform a load measurement.4-1.The PF Motor rotates clockwise until the PF Roller turns five times to perform a load measurement.
5.5. DetectiDetecting ink cartridgng ink cartridge and initialize and initializing ink systeming ink system*4*4
5-1.The CR Unit returns to its home position.5-1.The CR Unit returns to its home position.
6.6. Low tempLow temperatuerature operatre operation seqion sequenceuence*5*5
6-1.The CR Unit quickly moves back and forth between near the Change Lever and near the Left Frame for two times.6-1.The CR Unit quickly moves back and forth between near the Change Lever and near the Left Frame for two times.
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L120 Revision ARevision A
 Condition 2: Power-on sequence after recovering from a paper jam Condition 2: Power-on sequence after recovering from a paper jam error (Seeerror (See Table 1-2
Table 1-2.).)
 Turning on the printer after turning it off with a Turning on the printer after turning it off with a paper jam fatal error.paper jam fatal error.
 There still remains paper on the paper path out of the detecting area of the PE Sensor.There still remains paper on the paper path out of the detecting area of the PE Sensor.
 Maintenance error recovery has never been performed.Maintenance error recovery has never been performed.

NoteNote *1:*1: “Paper ex“Paper exists” is dists” is detected etected when thwhen the CR Une CR Unit touchit touches the es the paper. paper. When “When “paper dpaper does nooes not exist” t exist” is detecis detected, the ted, the power-on power-on sequencsequencee
of condition 1 (of condition 1 (Table 1-1
Table 1-1) is executed from No.4.) is executed from No.4.
*2:*2: If the paper jam error cannoIf the paper jam error cannot be solved after repeatint be solved after repeating the power-on seqg the power-on sequence on conduence on condition 2 (ition 2 (Table 1-2
Table 1-2) twice, the printer turns) twice, the printer turns
into the paper jam fatal error for the third time.into the paper jam fatal error for the third time.
Table 1-2.Table 1-2. Condition 2Condition 2: Power-on : Power-on Sequence aSequence after Recovering fter Recovering from a Paper from a Paper Jam ErrorJam Error
OperationOperation
CR Unit/PF RollerCR Unit/PF Roller
movement andmovement and
positionposition
Executes No.1 to No.3 on the normal power-on sequence (Executes No.1 to No.3 on the normal power-on sequence (Table 1-1Table 1-1).).
4.4. DetectDetecting ring remainiemaining png paperaper
4-1.5.The CR Unit returns to its home position.4-1.5.The CR Unit returns to its home position.
4-2.The CR Unit moves to the 80-digit side and confirms there is no paper.4-2.The CR Unit moves to the 80-digit side and confirms there is no paper. **11
4-3.The CR Unit quickly returns to its home position, and displays on the LCD that the paper jam error has occurred.4-3.The CR Unit quickly returns to its home position, and displays on the LCD that the paper jam error has occurred.
When the user removes the paper and releases the paper jam error by panel operation, the normal power-on sequence from No.1 (When the user removes the paper and releases the paper jam error by panel operation, the normal power-on sequence from No.1 (Table 1-1
Table 1-1) is executed) is executed
again.again.**22
 To recover from the To recover from the maintenance error, the dedicated software that can be downloadedmaintenance error, the dedicated software that can be downloaded
from the web site which can from the web site which can be accessed from STM3 is rbe accessed from STM3 is required.equired.
 The printer operation related to theThe printer operation related to the maintenance error recovery is as followsmaintenance error recovery is as follows

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TrroouubblleesshhoooottiinnggPPoowweerr--OOn n SSeeqquueennccee1122
 The printer operation related to the The printer operation related to the maintenance error recovery is as follows.maintenance error recovery is as follows.
•• When thWhen the waste ine waste ink countk counter reacher reaches the thres the thresholeshold value (1d value (1) for the firs) for the first time and tht time and thee
maintenance error occurs, the counter threshold of the maintenance error is maintenance error occurs, the counter threshold of the maintenance error is changedchanged
to threshold value 2 after to threshold value 2 after performing recovery from the maintenance error.performing recovery from the maintenance error.
•• After thAfter the threshe threshold valuold value (2) is enable (2) is enabled, the waed, the warningrning; to notify t; to notify the posshe possibilitibility of inky of ink
leakage out of the leakage out of the printer, is displayed every time the printer, is displayed every time the waste ink counter increases bywaste ink counter increases by
1%.1%.
•• If the wasIf the waste ink counte ink counter reachter reaches the threes the threshold vashold value (2), the malue (2), the maintenintenance erroance error occursr occurs..
Then, the waste ink counter is changed back to the Then, the waste ink counter is changed back to the threshold value (1) after recoveringthreshold value (1) after recovering
from the maintenance error, and the warning is displayed repeatedly according to thefrom the maintenance error, and the warning is displayed repeatedly according to the
increment of the waste ink counter until increment of the waste ink counter until the maintenance error occurs when thethe maintenance error occurs when the
threshold value (2) is reached.threshold value (2) is reached.
(Recovery from the maintenance error can be (Recovery from the maintenance error can be performed up to the specified numberperformed up to the specified number
of times.)of times.)
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L120
L120 Revision ARevision A
1.3 1.3 Fatal Fatal Error Error Code Code ListList
This section describes how to check the fatal error code, description, and the possible causes.This section describes how to check the fatal error code, description, and the possible causes.
1.3.1 1.3.1 Printer Printer Fatal Fatal Error Error CodeCode
This section describes the printer fatal error code and the possible cause for this product.This section describes the printer fatal error code and the possible cause for this product.
TablTable 1-3.e 1-3. Fatal Fatal Error Error List (List (PrintPrinter)er)
Error type
Error type ErrorError
codecode EErrrroor r nnaammeePPoossssiibblle e ccaauussee
0101HH CR C R PPIID D eexxcceesss s llooaad d eerrrror or
•• CR CR MoMototor fr faiailulurere
•• CR Unit drCR Unit drive mechive mechanism overanism overload (paload (paper jam, foper jam, foreign objreign object,ect,
insufficient grease, deformation of the Main Frame)insufficient grease, deformation of the Main Frame)
•• Some parSome part may be dett may be detached. (ached. (Paper GuiPaper Guide Upper Ade Upper Assy, Cap Assyssy, Cap Assy))
•• TooTooth skth skip of tip of the CR The CR Timiiming Beng Beltlt
•• ImpropImproper teer tension onsion of the f the CR TimCR Timing Being Beltlt
•• CaCablble e didiscsconnonnecectitionon
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
0202HH CR C R PPIID D eexxcceesss ss spepeeed d eerrr roorr
•• CR Encoder faCR Encoder failure (coilure (contaminntaminated/dated/detacheetached scale, Encd scale, Encoder Sensooder Sensorr
failure)failure)
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
0033HH CCR R PPIID D rreevveerrsse e eerrrroor r 
•• CR Encoder faCR Encoder failure (coilure (contaminntaminated/dated/detacheetached scale, Encd scale, Encoder Sensooder Sensorr
failure)failure)
•• Some extSome external forcernal force is applied to the is applied to the printer suce printer such as stopping thh as stopping the CR Unite CR Unit
during printer operation, vibration or the like.during printer operation, vibration or the like.
•• TooTooth skth skip of tip of the CR The CR Timiiming Beng Beltlt
•• PPapaper er jjamam
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
•• CR Encoder faCR Encoder failure (coilure (contaminantaminated/deted/detached sctached scale, Encoale, Encoder Sensorder Sensor
failure)failure)
CRCR MM ff iill

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TrroouubblleesshhoooottiinnggFFaattaal l EErrrroor r CCoodde e LLiisstt1133
DC motorDC motor
errorerror
0044HH CCR R PPIID D lloocck k eerrrroor r 
•• CR CR MoMototor fr faiailulurere
•• CR Unit drCR Unit drive mechive mechanism overanism overload (paload (paper jam, foper jam, foreign objreign object,ect,
insufficient grease, deformation of the Main Frame)insufficient grease, deformation of the Main Frame)
•• Some parSome part may be dett may be detached. (ached. (Paper GuiPaper Guide Upper Ade Upper Assy, Cap Assyssy, Cap Assy))
•• CaCablble e didiscsconnonnecectitionon
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
0808HH CR CR loload ad poposisitition on rereveversrse ee errrroror
•• CR Encoder faCR Encoder failure (coilure (contaminntaminated/dated/detacheetached scale, Encd scale, Encoder Sensooder Sensorr
failure)failure)
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
0909HH CR CR loload ad poposisitition on exexcecess ss spspeeeed d ererrororr
•• CR Encoder faCR Encoder failure (coilure (contaminntaminated/dated/detacheetached scale, Encd scale, Encoder Sensooder Sensorr
failure)failure)
•• TooTooth skth skip of tip of the CR The CR Timiiming Beng Beltlt
•• ImpropImproper teer tension onsion of the f the CR TimCR Timing Being Beltlt
•• PPapaper er jjamam
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
0A0AHH CR CR loload ad poposisitition on exexcecess ss loload ad ererrororr
•• CR CR MoMototor fr faiailulurere
•• CR Unit drivCR Unit drive mechanie mechanism overload (psm overload (paper jam, foraper jam, foreign objeceign object, Changet, Change
Lever failure)Lever failure)
•• CaCablble e didiscsconnonnecectitionon
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
FF11HH PPF F PPIID D eexxc ec ess ss llooa d ad eerrrroorr
•• PF PF MoMototor fr faiailurluree
•• PF drive mePF drive mechanism ovchanism overload (paerload (paper jam, foreper jam, foreign objecign object, insuffit, insufficientcient
grease, deformation of the Main Frame)grease, deformation of the Main Frame)
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
•• CaCablble e didiscsconnonnecectitionon
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
FF22HH PPF PF PIID eD exxcceess ss spspeeeed ed errrororr
•• PF EncodePF Encoder failure (conr failure (contaminataminated/deted/detached scatached scale, Encodele, Encoder Sensor failurr Sensor failure)e)
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
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L120
L120 Revision ARevision A
DC motorDC motor
errorerror
FF33HH PPF F PPIID D rreevveerrsse e eerrrroorr
•• PF EncodePF Encoder failure (conr failure (contaminataminated/deted/detached scatached scale, Encodele, Encoder Sensor failurr Sensor failure)e)
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
•• PPapaper er jjamam
•• Paper iPaper is pulled s pulled out from out from the ASF the ASF side whside when paper en paper is fedis fed
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
FF44HH PPF F PPIID D lloocck k eerrrroor r 
•• PF EncodePF Encoder failure (conr failure (contaminataminated/deted/detached scatached scale, Encodele, Encoder Sensor failurr Sensor failure)e)
•• PF PF MoMototor fr faiailurluree
•• PF drive mePF drive mechanism ovchanism overload (paerload (paper jam, foreper jam, foreign objecign object, insuffit, insufficientcient
grease, deformation of the Main Frame)grease, deformation of the Main Frame)
•• CaCablble e didiscsconnonnecectitionon
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
FF8H8H PF PF loload ad poposisitition on rereveversrse ee errrroror
•• PF EncodePF Encoder failure (conr failure (contaminataminated/deted/detached scatached scale, Encodele, Encoder Sensor failurr Sensor failure)e)
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
F9F9HH PF PF loload ad poposisitition on exexcecess ss spspeeeed d ererrororr
•• PF EncodePF Encoder failure (conr failure (contaminataminated/deted/detached scatached scale, Encodele, Encoder Sensor failurr Sensor failure)e)
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
FAFAHH PF PF loload ad poposisitition on exexcecess ss loload ad ererrororr
•• PF PF MoMototor fr faiailurluree
•• PF drivPF drive mechanie mechanism overloasm overload (paper jd (paper jam, foreiam, foreign objectgn object))
•• TooTooth skth skip of ip of the Pthe PF TimF Timing Bing Beltelt
•• ImpropImproper teer tension nsion of the of the PF TiPF Timing ming BeltBelt
•• CaCablble e didiscsconnonnecectitionon
Motor driveMotor drive
DD11HH CCR R ((PPIIDD) ) ddrriivviinng g ttiimme e eerrrroorr •• MMaaiin n BBooaarrd d ffaaiilluurre e ((FFiirrmmwwaarre e ffaaiilluurree))
D2D2HH CR CR (l(loaoad pd pososititioion) n) drdrivivining tg timime ee errrroror
•• ChChanange Lege Levever fair failulurere
•• CR CR MoMototor fr faiailulurere
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
TablTable 1-3.e 1-3. Fatal Fatal Error Error List (List (PrintPrinter)er)
Error type
Error type ErrorError
codecode EErrrroor r nnaammeePPoossssiibblle e ccaauussee

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TrroouubblleesshhoooottiinnggFFaattaal l EErrrroor r CCoodde e LLiisstt1144
Motor driveMotor drive
time errortime error
(( ))
DD33HH PPF F ((PPIIDD) ) ddrriivviinng g ttiimme e eerrrroorr •• MMaaiin n BBooaarrd d ffaaiilluurre e ((FFiirrmmwwaarre e ffaaiilluurree))
DD4H4H PF PF (B(BS) S) drdrivivining g titime me ererrororr
•• ChChanange Lege Levever fair failulurere
•• CR CR MoMototor fr faiailulurere
•• Main BMain Board faoard failure ilure (Motor (Motor driver driver failurefailure))
PrintheadPrinthead
system errorsystem error
4400HH TTrraannssiissttoor r tteemmppeerraattuurre e eerrrroorr •• MMaaiin n BBooaarrd d ffaaiilluurree
4141HH X-X-HoHot t dedetetect ct ererroror r (p(pre re prprinintitingng))
•• PrPrininthethead faad faililureure
•• MaMain Bin Boaoard frd faiailulurere
4242HH X-X-HoHot t dedetetect ct ererroror r (a(aftfter er flflusushihingng))
4343HH HHeeaad d tteemmppeerraattuurre e eerrrororr
SequenceSequence
errorerror
5500HH HHoomme e ppoossiittiioon n eerrrroor r 
•• FoForereigign n obobjejectct
•• DefDeformaormatiotion of the Mn of the Main Fain Framramee
•• ChChanange Lege Levever fair failulurere
•• PPapaper er jjamam
56H56H Contact error at ink replacement timingContact error at ink replacement timing
(Power-off)(Power-off)
•• FoForereigign n obobjejectct
•• Ink CaInk Cartridgertridges are s are not insnot installetalled corred correctlyctly
•• PPapaper er jjamam
55BHBH IIn snsoolluublb le pe paappeer jr jaam em errroror r 
•• FoForereigign n obobjejectct
•• DefDeformaormatiotion of the Mn of the Main Fain Framramee
•• ChChanange Lege Levever fair failulurere
•• PPapaper er jjamam
CCiirrccuuiit t eerrrroorr 8800HH CCiirrccuuiit t eerrrroor r ((iinncclluudde e bblloowwoouut t oof f a a ffuussee)) •• MMaaiin n BBooaarrd d ffaaiilluurree

CHAPTERCHAPTER 22
DISASSEMBLY/REASSEMBLY
DISASSEMBLY/REASSEMBLY

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L120
L120 Revision ARevision A
22.1.1 OOveverrvivieeww
This chapter describes procedures for disassembling the main This chapter describes procedures for disassembling the main parts/units of this product. Unless parts/units of this product. Unless otherwiseotherwise
specified, disassembled parts/units can be reassembled by reversing the disassspecified, disassembled parts/units can be reassembled by reversing the disassembly procedure. See the cautionsembly procedure. See the cautions
or tips for disassembly/reassembly described inor tips for disassembly/reassembly described in "2.3 Detailed Disassembly/Reassembly Procedure for each Part/
"2.3 Detailed Disassembly/Reassembly Procedure for each Part/
Unit (p34Unit (p34))""..
Read theRead the "Safety Precautions(p3)"
"Safety Precautions(p3)"before disassembling and reassembling.before disassembling and reassembling.
When you have to remove units or When you have to remove units or parts that are not described in parts that are not described in this chapter, see the exploded diagrams this chapter, see the exploded diagrams of SPIof SPI
(Service Parts Information).(Service Parts Information).
2.1.1 Tools2.1.1 Tools
Use only specified tools to Use only specified tools to avoid damaging the printer.avoid damaging the printer.
NoteNote 1:1: Some of thSome of the tools listed e tools listed above aabove are commere commercially availarcially available.ble.
2:2: EPSON provEPSON provides the tooides the tools listed wils listed with EPSON part cth EPSON part code.ode.
2.1.2 Jigs2.1.2 Jigs
NNaammeeAAvvaaiillaabbiilliittyyEEPPSSOON N PPaarrt t CCooddee
((++) ) PPhhiilllliipps s ssccrreewwddrriivveer r ##11 OO 11008800553300
((++) ) PPhhiilllliipps s ssccrreewwddrriivveer r ##22 OO ------
FFllaatthheeaad d ssccrreewwddrriivveerr OO ------
FFllaatthheeaad d PPrreecciissiioon n ssccrreewwddrriivveer r ##11 OO ------
TTwweeeezzeerrss OO ------
LLoonnggnnoosse e pplliieerrss OO ------
AAcceettaatte e ttaappee ------ 11000033996633
N
NaammeeQQuuaannttiittyyEEPPSSOON N PPaarrt t CCooddee
SSpprriinng g hhooook k jjiigg** 11 CCaan n bbe e mmaadde e wwiitth h a a ccoommmmeerrcciiaal l iitteemm See " Making the Spring Hook Jig (p16)".See " Making the Spring Hook Jig (p16)".
TThhii kk ((11 55 )) 22 CC ii llll iill bbll

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Disassembly/Reass
Disassembly/Reassemblyembly OverviewOverview 1616
NoteNote *:*: If performIf performing the disaing the disassemblinssembling/reassembg/reassembling procling procedure is diedure is difficult using fficult using tweezers sutweezers such as whech as when reassembn reassemblingling " Cap Lever/Cap" Cap Lever/Cap
Assy (p35)"Assy (p35)", the spring hook jig helps you to remove/attach the spring easier., the spring hook jig helps you to remove/attach the spring easier.
2.1.2.1.2.12.1 MakiMaking thng the Spre Spring Hoing Hook Jiok Jigg
Fold a clip (commercial item) as shown inFold a clip (commercial item) as shown in Fig. 2-1
Fig. 2-1..
FigurFigure 2-1.e 2-1. MakinMaking the Sg the Spring pring Hook JHook Jigig
TThhiicckknneesss s ggaauugge e ((11..5 5 mmmm)) 22 CCoommmmeerrcciiaalllly y aavvaaiillaabbllee
TThhiicckknneesss s ggaauugge e ((22..0 0 mmmm)) 22 CCoommmmeerrcciiaalllly y aavvaaiillaabbllee
SSoonniic c tteennssiioon n mmeetteerr 11 11229944112200
Before foldingBefore folding
Fold hereFold here
ClipClip
40 mm or more40 mm or more
After foldingAfter folding
Fold appropriate lengthFold appropriate length
to hitch a spring.to hitch a spring.
ClipClip
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L120 Revision ARevision A
2.1.3 2.1.3 Locations Locations of the of the Parts/UnitsParts/Units
This section shows the locations of the main parts/units of this product.This section shows the locations of the main parts/units of this product.
 Exterior partsExterior parts
The parts/units which can not be seen The parts/units which can not be seen in the following pictures are in the following pictures are indicated in dotted linesindicated in dotted lines
(( ).).
11
22
FrontFront RightRight
33 44
77
RearRear
66
LeftLeft
55

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Disassembly/Reass
Disassembly/Reassemblyembly OverviewOverview 1717
FigFigure 2-ure 2-2.2. ExtExterierior Paror Partsts
NNoo..NNaammeeNNoo..NNaammee
11 Housing Upper (p31)Housing Upper (p31) 55 Buttons (p31)Buttons (p31)
22 Printer Cover (p29)Printer Cover (p29) 66 Paper Support Assy (p29)Paper Support Assy (p29)
33 Cap Tank (p29)Cap Tank (p29) 77 Paper Support Joint (p29)Paper Support Joint (p29)
44 Ink Supply Tank Upper Housing (p29)Ink Supply Tank Upper Housing (p29) 88 Frame Base Assy (p30)Frame Base Assy (p30)
88
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 Printer mechanismPrinter mechanism
FigurFigure 2-3.e 2-3. PrintPrinter Mecer Mechanihanism: Fsm: Frontront
N
Noo..NNaammeeNNoo..NNaammee
11 CR Driven Pulley Assy (p30)CR Driven Pulley Assy (p30) 66 Adapter (p31)Adapter (p31)
22 CR Scale (p30)CR Scale (p30) 77 CR Unit (p32)CR Unit (p32)
33 CR Timing Belt (p32)CR Timing Belt (p32) 88 PF Roller Unit (p32)PF Roller Unit (p32)
44 Printhead (p31)Printhead (p31) 99 Star Wheel Holder Assy (p31)Star Wheel Holder Assy (p31)
55 CR Encoder Sensor (p32)CR Encoder Sensor (p32) 1010 Paper Guide Upper Assy (p32)Paper Guide Upper Assy (p32)
1111 Joint (p31)Joint (p31)
11
22 33 55
88 1111
77
1010
44
99
66

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Disassembly/Reass
Disassembly/Reassemblyembly OverviewOverview 1818
FiguFigure 2-4.re 2-4. PrintPrinter Mecher Mechanisanism: Rigm: Rightht
NNoo..NNaammeeNNoo..NNaammee
11 LD Roller Assy (p30)LD Roller Assy (p30) 66 Pump Unit (p32)Pump Unit (p32)
22 LD Roller Cover (p30)LD Roller Cover (p30) 77 Cap Assy (p29)Cap Assy (p29)
33 Hopper (p30)Hopper (p30) 88 Porous Pad for Cap Assy (p29)Porous Pad for Cap Assy (p29)
44 Retard Roller Assy (p29)Retard Roller Assy (p29) 99 Cap Lever (p29)Cap Lever (p29)
55 Paper Back Lever (p29)Paper Back Lever (p29)
99
77
88
66
55
44
33
11 22
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FigurFigure 2-5e 2-5.. PrintPrinter Mecer Mechanihanism: Lsm: Lefteft
N
Noo..NNaammeeNNoo..NNaammee
11 PF Encoder Sensor* (p29)PF Encoder Sensor* (p29) 44 PF Scale (p29)PF Scale (p29)
22 EJ Roller (p31)EJ Roller (p31) 55 PF Timing Belt (p29)PF Timing Belt (p29)
33 EJ Roller Gear (p29)EJ Roller Gear (p29) 66 PF Motor Assy (p32)PF Motor Assy (p32)
66
11
22
33
55 44
11 22 33

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Disassembly/Reass
Disassembly/Reassemblyembly OverviewOverview 1919
FigurFigure 2-6e 2-6.. PrintPrinter Mecer Mechanihanism: Rsm: Rearear
N
Noo..NNaammeeNNoo..NNaammee
11 CR Motor (p30)CR Motor (p30) 44 PE Sensor Lever (p30)PE Sensor Lever (p30)
22 Head FFC (p32)Head FFC (p32) 55 PS Unit (p29)PS Unit (p29)
33 Main Board Assy (p30)Main Board Assy (p30) 66 Waste Ink Pad Assy (p29)Waste Ink Pad Assy (p29)
44
55
66
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 Ink Supply Tank AssyInk Supply Tank Assy
FigurFigure 2-7.e 2-7. Ink Ink SuppSupply Tanly Tank Ask Assysy
N
Noo..NNaammeeNNoo..NNaammee
11 Ink Supply Tank Tube Assy (p31)Ink Supply Tank Tube Assy (p31)
44
Ink Supply TankInk Supply Tank
Ink Supply Tank (p31)
Ink Supply Tank (p31)//Ink Supply Tank (p31)Ink Supply Tank (p31)//InkInk
Supply Tank (p31)Supply Tank (p31)//Ink Supply Tank (p31)Ink Supply Tank (p31)
22 Ink Supply Tube Assy (p31)Ink Supply Tube Assy (p31)
33 Ink Supply Tank Lower Housing (p31)Ink Supply Tank Lower Housing (p31)
44
22
33
11

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Disassembly/Reass
Disassembly/Reassemblyembly OverviewOverview 2020
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2.1.4 2.1.4 Standard Operation Standard Operation Time for Time for Servicing the Servicing the ProductProduct
The following are the standard operation time for The following are the standard operation time for servicing the product. Those are based on servicing the product. Those are based on the MTTR resultthe MTTR result
measured using a prototype.measured using a prototype.
The underlined parts/units are supplied as After Service Parts.The underlined parts/units are supplied as After Service Parts.
TablTable 2-1.e 2-1. StanStandard dard OperOperation ation TimeTime
Parts/Unit
Parts/Unit
Time (mm:ss)Time (mm:ss)
ReplacementReplacement Adjustment/Adjustment/
inspectioninspection TotalTotal
IInnk k SSuupppplly y TTaannk k UUppppeer r HHoouussiinngg 00::3355 ------ 00::3355
PPaappeer r SSuuppppoorrt t AAssssyy 00::0022 ------ 00::0022
PPrriinntteer r CCoovveerr 00::0099 ------ 00::0099
WWaasstte e IInnk k PPaad d AAssssyy 00::4444 00::6655 11::4499
PPaappeer r BBaacck k LLeevveerr 11::4466 ------ 11::4466
RReettaarrd d RRoolllleer r AAssssyy 11::5533 00::4477 22::4400
IInnk k SSuupppplly y TTaannk k AAssssyy 11::0033 ------ 11::0033
IInnk k SSuupppplly y TTaannkk 00::5511 ------ 00::5511
IInnk k SSuupppplly y TTaannk k TTuubbe e AAssssyy 11::3311 ------ 11::3311
IInnk k SSuupppplly y TTaannk k LLoowweer r HHoouussiinngg 22::3355 ------ 22::3355
HHoouussiinng g UUppppeer r AAssssyy 11::5566 ------ 11::5566
HHoouussiinng g UUppppeerr 22::0055 ------ 22::0055
BBuuttttoonnss 22::2222 ------ 22::2222
PPS S UUnniitt 22::1166 ------ 22::1166
CCaap p AAssssyy 33::1122 ------ 33::1122