Panasonic KMF0209634C2 User manual

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Service Manual
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ORDERNO.KMF0209634C2
Multi-Function PlainPaperFax
lKX-FM90CE-W
KX-FM90HG-W
White version
(forCzech)
(forHungary)
©2002 Kyushu MatsushitaElectricCo., Ltd. Allrightsreserved. Unauthorized copying and distribution isaviolation of law.
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2.15.3.2CLEANINGTHE THERMALHEAD
AND BLACKBAR
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Ifdirtypatternsorblackorwhitebandsappearon acopiedorreceiveddocument, cleanthethermal
head.
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1. Disconnectthepowercordandthetelephonelinecord.
2.Openthefrontcoverbypulling upthecenterpart.
3.Openthebackcoverbypushing thebackcoveropenbutton (green)or pushing the
backcoveropenlever(green).
4.Cleanthethermal headwithaclothmoistenedwithisopropylrubbingalcohol, andlet
itdry thoroughly.
¡Donottouchtheblacksheetsonthethermalhead.
5.Closethebackcoversecurelyby pushing downonthedottedareaat bothends.Close
thefrontcoversecurely.
6.Connect thepowercordandthetelephonelinecord.
Caution:
¡Topreventamalfunction duetostatic electricity,donotuseadry clothand
donottouchthethermal headdirectlywithyour fingers.
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3.3.1OUTLINE
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Troubleshootingisforrecoveringqualityand reliabilityby determiningthebrokencomponentand
replacing, adjustingorcleaningitasrequired.First,determinetheproblemthendecidethe
troubleshootingmethod. If you havedifficultyfindingthebrokenpart,determinewhichboardis
broken. (Forexample:theDigitalPCB,AnalogPCB,etc.)Theclaim tagfromacustomerordealer
mayusedifferentexpressionsforthesameproblem,astheyarenotatechnicianorengineer.Using
yourexperience,testtheproblemareacorrespondingtotheclaim.Also, returnsfromacustomeror
dealeroftenhaveaclaim tag. Forthesecasesaswell,you needtodeterminetheproblem.Testthe
unitusingthesimplecheckliston SIMPLECHECKLIST ().Difficult problemsmaybehardto
determine,sorepeatedtestingisnecessary.
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3.3.2STARTINGTROUBLESHOOTING
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Determinethesymptomand thetroubleshootingmethod.
CROSS REFERENCE:
USERRECOVERABLEERRORS ()
SIMPLECHECKLIST ()
DIGITALBOARDSECTION ()
POWERSUPPLYBOARDSECTION ()
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3.3.3TROUBLESHOOTINGITEMSTABLE
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3.3.3.1SIMPLECHECKLIST
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ITEMSYMPTOMREFERENCE
ADF
(AutoDocument
Feeder)
Thedocumentdoesnotfeed.See NODOCUMENTFEED ()
DocumentjamSee DOCUMENTJAM ()
MultiplefeedSee MULTIPLEFEED ()
SkewSee SKEW ()
Recording paperfeedTherecording paperdoesnotfeed.See THERECORDINGPAPERDOESNOTFEED
()
PaperjamSee PAPERJAM ()
MultiplefeedandskewSee MULTIPLEFEEDAND SKEW ()
PrintingThesentfaxdataisskewed.See THESENTFAX DATAISSKEWED ()
Thereceivedfaxdata isskewed.See THERECEIVEDFAX DATAISSKEWED ()
Thereceivedorcopieddata isexpanded.See RECEIVEDORCOPIEDDATAIS
EXPANDED ()
Ablankpageiscopied.See ABLANKPAGEISCOPIED ()
Ablankpageisreceived.See ABLANKPAGEISRECEIVED ()
Blackorwhitevertical lineSee BLACKORWHITEVERTICALLINE ()
Blackorwhitelateral lineSee BLACKORWHITELATERALLINEON
PRINTOUT ()
Anabnormal imageisprintedSee ANABNORMALIMAGEISPRINTED ()
Communication
FAX,TEL
(analog board)
Cannotcommunicatebyfax.See COMMUNICATION SECTION ()
Anerrorcodeisdisplayed.See DEFECTIVEFACSIMILESECTION ()
Cannottalk.
TheDTMFtonedoesn’twork.
Thehandset /monitor doesn’twork, etc.
See ANALOGBOARDSECTION ()
Operation panel Keysarenotaccepted.See OPERATION PANELSECTION ()
SensorIftheelectriccircuitisthecause,theerror messagecorresponding tothe
sensorwill bedisplayed. See SENSORSECTION ()
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3.3.3.1SIMPLE CHECKLIST
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SERIALNO.DATE
FUNCTIONJUDGEMENTREFERENCE
FAXoperation
TransmissionOK/NG
ReceivingOK/NG
Copy operation OK/NG
Telephoneoperation Handsettransceiver/receiverOK/NG
SP-PHONEsoundOK/NG
RingersoundOK/NG
Dial operationOK/NG
VolumeoperationOK/NG
VOX detectionOK/NG Service code#815 (Referto TESTFUNCTIONS ())
Operation Panel KeycheckOK/NG Service code#561 (Referto TESTFUNCTIONS ())
LEDcheckOK/NG Service code#557 (Referto TESTFUNCTIONS ())
LCDcheckOK/NG Service code#558 (Referto TESTFUNCTIONS ())
SensorSensor checkOK/NG Service code#815 (Referto TESTFUNCTIONS ())
ClockDisplaychanging OK/NG Isthetimekeptcorrectly?
Checkwithanotherclock.
Digital SpeakerphoneOK/NG
Digital TAM Greeting REC/PLAYOK/NG
Incoming messageREC/PLAYOK/NG
MemoREC/PLAYOK/NG
Voice promptOK/NG Service code#784
Checkwhethervoice promptisplayornot.
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3.3.4.1NODOCUMENTFEED
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CROSS REFERENCE:
DIGITALBOARDSECTION ()
POWERSUPPLY BOARDSECTION ()
SENSORSECTION ()
TESTFUNCTIONS ()
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ADJUSTMENTS ()
DISASSEMBLYINSTRUCTIONS ()
STEPPINGMOTORDRIVECIRCUIT ()
Note:
Whenusingthinpaperetc., sometimesthedocumentwill notfeed.Referto ADJUSTINGTHE
FEEDERPRESSURE ().
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3.3.4.2DOCUMENTJAM
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CROSS REFERENCE:
SENSORSECTION ()
TESTFUNCTIONS ()
DISASSEMBLYINSTRUCTIONS ()
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3.3.4.3MULTIPLE FEED
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lWhenusingthick paperetc.,sometimesthedocumentwill notbefed.
Referto ADJUSTINGTHEFEEDERPRESSURE ().
Fig. B
CROSS REFERENCE:
MAINTENANCE ()
DISASSEMBLYINSTRUCTIONS ()
Note:
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Whenconfirmingifthecharacters areextendedordistorted,orifthefeedproblem isoccurred, use
thistest chartformat
(Fig.B).
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3.3.4.4SKEW
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*Werecommend makingacopy oftheFig.Bdocumentin MULTIPLEFEED ()andusingit.
CROSS REFERENCE:
MAINTENANCECHECKITEMS/COMPONENTLOCATIONS ()
DISASSEMBLYINSTRUCTIONS ()
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3.3.4.5THERECORDINGPAPERDOES
NOTFEED
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*Werecommend makingacopy oftheFig.Bdocumentin MULTIPLEFEED ()and usingit.
CROSS REFERENCE:
INSTALLINGTHERECORDINGPAPER ()
DIGITALBOARDSECTION ()
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POWERSUPPLY BOARDSECTION ()
SENSORSECTION ()
TESTFUNCTIONS ()
DISASSEMBLYINSTRUCTIONS ()
HOWTO REMOVETHECASSETTE TRAY ()
BACKCOVERSECTION ()
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3.3.4.5THERECORDINGPAPERDOES
NOTFEED
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*Werecommend makingacopy oftheFig.Bdocumentin MULTIPLEFEED ()and usingit.
CROSS REFERENCE:
INSTALLINGTHERECORDINGPAPER ()
DIGITALBOARDSECTION ()
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POWERSUPPLY BOARDSECTION ()
SENSORSECTION ()
TESTFUNCTIONS ()
DISASSEMBLYINSTRUCTIONS ()
HOWTO REMOVETHECASSETTE TRAY ()
BACKCOVERSECTION ()
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3.3.4.6PAPERJAM
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CROSS REFERENCE:
LCDMESSAGES ()
SENSORSECTION ()
TESTFUNCTIONS ()
DISASSEMBLYINSTRUCTIONS ()
SENSORSAND SWITCHES ()
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3.3.4.7MULTIPLE FEEDAND SKEW
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CROSS REFERENCE:
DISASSEMBLYINSTRUCTIONS ()
OPERATION PANELSECTION ()
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3.3.4.8THE SENTFAX DATAISSKEWED
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*Werecommend makingacopy oftheFig. Bdocumentin MULTIPLEFEED ()andusingit.
CROSS REFERENCE:
SKEW ()
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3.3.4.9THE RECEIVEDFAX DATAIS
SKEWED
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*Werecommend makingacopy oftheFig. Bdocumentin MULTIPLEFEED ()andusingit.
CROSS REFERENCE:
MULTIPLEFEEDAND SKEW ()
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