Codigos SP y SC Ricoh 2238c

7/21/2019 Codigos SP y SC Ricoh 2238c

1/114

SCTABLE

SM

4-11

B147/B149/B190

4.4

SCTABLE

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs

TroubleshootingProcedure

Type

SC

101

Exposurelamp

error

Thes

tandardwhitelevelis

notproperlydetectedwhen

scann

ingtheshadingplate.

(Theshadingdatapeak

doesnotreachthespecified

threshold.)

Exposurelamp

defec

tive

Lamp

stabilizer

defec

tive

Exposurelamp

conne

ctordefective

Stand

ardwhiteplate

dirty

Scannermirroror

scann

erlensoutof

positionordirty

SBUdefective

1.T

urnthemainswitchoffandon.

2.T

urnthepowerkeyoffandon.

3.C

heckandcleanthescanner

m

irror(s)andscannerlens.

4.C

heckandcleantheshadingplate

.

5.R

eplacetheexposurelamp.

6.R

eplacethelampstabilizer.

7.R

eplacethescannermirror(s)or

s

cannerlens.

8.R

eplacetheSBU.

D

SC

120

Scannerhome

positionerror1

Thes

cannerhomeposition

senso

rdoesnotdetectthe

onconditionduring

scann

ing.

ScannerI/Oboardor

SBUdefective

Scannermotor

defec

tive

Harne

ssbetween

scann

erI/Oboard

ands

cannermotor

disconnected

ScannerHPsensor

defec

tive

Harne

ssbetween

SBUandHPsensor

disconnected

Scannerwire,timing

belt,p

ulley,or

carria

gedefective

SC121

and122

1.T


2.C

heckthecableconnectionbetwe

en

thescannerI/Oboardandscanner

m

otor.

3.C


en

theSBUandHPsensor.

4.R

eplacetheSBUorscannerI/O

b

oard.

5.R

eplacethescannermotor.

6.R

eplacetheHPsensor.

7.R

eplacethescannerwire,timingb

elt,

p

ulley,orcarriage.

D


2/114

SCTABLE

B147/B149/B190

4-12

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

121

Scannerhome

positionerror2

Thes

cannerhomeposition

senso

rdoesnotdetectthe

offco

nditionduring

scann

ing.

ScannerI/Oboardor

SBUdefective

Scannermotor

defec

tive

Harnessbetween

scann

erI/Oboard

ands

cannermotor

disconnected

ScannerHPsensor

defec

tive

Harnessbetween

SBUandHPsensor

disconnected

Scannerwire,timing

belt,pulley,or

carria

gedefective

SC120

and122

1.T


2.C


en

t

hescannerI/Oboardandscanner

m

otor.

3.C


en

t

heSBUandHPsensor.

4.R


b

oard.

5.R


6.R

eplacetheHPsensor.

7.R


elt,

p

ulley,orcarriage.

D

SC

122

Scannerhome

positionerror3

Thes

cannerhomeposition

senso

rdoesnotdetectthe

home

positionduring

initialization.

ScannerI/Oboardor

SBUdefective

Scannermotor

defec

tive

Harnessbetween

scann

erI/Oboard

ands

cannermotor

disconnected

ScannerHPsensor

defec

tive

Harnessbetween

SBUandHPsensor

disconnected

Scannerwire,timing

belt,pulley,or

carria

gedefective

SC120

and121

1.T


2.C


en

t

hescannerI/Oboardandscanner

m

otor.

3.C


en

t

heSBUandHPsensor.

4.R


b

oard.

5.R


6.R

eplacetheHPsensor.

7.R


elt,

p

ulley,orcarriage.

D


3/114

SCTABLE

SM

4-13

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

142

Whitelevel

detectionerror

Thew

hitelevelcannotbe

adjustedwithinthetarget

duringautogaincontrol.

Dirtyexposureglass

oropticssection

SBUboarddefective

IPUb

oarddefective

Exposurelamp

defec

tive

Lamp

stabilizer

defec

tive

1.T

urnonthemainswitchoffandon

.

2.C

leantheexposureglass,whiteplate,

mirrors,andlens.

3.C

heckiftheexposurelampislit

duringinitialization.

4.C

hecktheharnessconnection

betweenSBUandIPU.

5.R

eplacetheexposurelamp.

6.R

eplacetheSBUboard.

7.R

eplacetheIPUboard

D

SC

144

SBU

communication

error

TheS

BUhardwareis

inconsistentwiththe

software.

Defec

tiveSBU

hardw

are

Incorrectsoftware

1.T


2.R

eplacetheSBU.

3.U

pdatethesoftware.

D

SC

161

IDUerror

Afterthecommandis

writtenintotheDFIDself-

diagn

osisstartupregister,

theco

rrectvalueisnot

storedintheregisterinthe

specifiedduration.

NOTE

:Thiserroris

detec

tedwhenthemain

switchisturnedon.

Afterthenegateinterruption

ofFG

ATEoccurs,IDUisnot

recog

nizedinthespecified

duration.

NOTE

:Thiserroris

detec

tedduringscanning

opera

tions.

IPUb

oarddefective

(defectiveconnection

betwe

enASICand

DFID,orDefective

LSYN

C)

1.T


2.R

eplacetheIPUboard.

D


4/114

SCTABLE

B147/B149/B190

4-14

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

195

SerialNumber

Mismatch

Serialnumberstoredinthe

memorydoesnotconsistof

theco

rrectcode.

NVRA

Mdefective

BCUreplacedwithout

origin

alNVRAM

IncorrectDIP-switch

setting

Openthefrontcoverandturnonthe

mainswitch.Checktheserialnumbe

r

withSP5-811-002.

Ifth

estoredserialnumberisincorrec

t,

con

tactyourproductspecialistfor

detailsofhowtosolvetheproblem.

ForDIP-switchsettings,seesection

5.10.

D

SC

201

Polygonmotor

error

Thep

olygonmirrormotor

does

notreachthetargeted

opera

tingspeedwithin10

secon

dsafterturningon.

Thelocksignaldoesnot

becom

ehighwithin10

secon

dsafterturningoffthe

polygonmotor.

Thelocksignaldoesnot

becom

elowwithin0.2

secon

dafterthepolygon

motorreachesthetargeted

opera

tingspeed.

Polyg

onmirrormotor

error

AbnormalGAVD

behavior

Cable

disconnection

1.T


2.C

heckthecables.

3.R

eplacethepolygonmotor.

D


5/114

SCTABLE

SM

4-15

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

220

Synch.

detectionsignal

error1

220-001:Y

220-002:M

220-003:C

220-004:K0

220-005:K1

Thefron

t(forK&Y)orrear(for

C&M)la

sersynchronizing

detector

board,whichisused

todeterminethestarttimingof

laserwriting,doesnotsenda

signalw

hilethepolygonmotor

isoperatingnormallyandthe

LDison

.

Disco

nnectionofthe

cable

betweenfront

(K&Y)orrear(C&M)

synch

ronizing

detec

torboardand

theLDunit

Incorrectinstallation

offront(K&Y)orrear

(C&M

)synchronizing

detec

torboard(the

beam

doesnottarget

thephotodetector.)

Defec

tiveLDunit

Defec

tiveBCU

Defec

tive+5VLD

circuit

1.T


2.C


en

f

ront(forK&Y)orrear(forC&M)

s

ynchronizingdetectorboardandthe

L

Dunit.

3.C

heckorreinstallthefront(forK&Y)

o

rrear(forC&M)synchronizing

d

etectorboard.

4.R

eplacethefront(forK&Y)orrear

(

forC&M)synchronizingdetector

b

oard.

5.R

eplacethelaseropticshousingu

nit.

6.R

eplacetheBCU.

7.R

eplacethePSU.

D


6/114

SCTABLE

B147/B149/B190

4-16

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

221

Synch.

detectionsignal

error2

221-001:Y

221-002:M

221-003:C

221-004:K

Mainscanlengthdetectionis

notprop

erlycompletedten

consecu

tivetimes.

Thefron

t(forC&M)orrear(for

K&Y)lasersynchronizing

detector

boardsareusedfor

themain

scanlength

detection,whichautomatically

corrects

themain-scan

magnific

ation.

Dama

gedor

disconnectedcable

betwe

enfront(C&M)

orrea

r(K&Y)laser

synch

ronizing

detec

torboardand

theLDunit


offront(C&M)orrear

(K&Y)synchronizing

detec

torboard(the

beam

doesnottarget

thephotodetector.)

Defec

tivefront(C&M)

orrea

r(K&Y)

synch

ronizing

detec

torboard

Defec

tiveLDunit

Afterdoinganyofthefollowing,print

ten

jobsormoretoseeifthesameSCcode

isd

isplayed:

1.T


2.C

heckorreplacethecable

c

onnectingfront(forC&M)orrear

(for

K

&Y)synchronizingdetectorboard

a

ndtheLDunit.

3.C

heckorreinstallthefront(forC&M)

o

rrear(forK&Y)synchronizing

d

etectorboard.

4.R

eplacethefront(forC&M)orrear

(

forK&Y)synchronizingdetector

b

oard.

5.R


nit.

6.R

eplacetheBCU.

Ifa

synch.detectorboardcannotbe

rep

laced,dothefollowingasa

tem

porarymeasure:

D

isablemainscanlengthdetection

(

SP2-919-001)

D


7/114

SCTABLE

SM

4-17

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

230

FGATEerror

230-001:Y

230-002:M

230-003:C

230-004:K

TheBCUgeneratesthe

FGATE

signalbasedonthe

registrationsensorONtiming.

Then,it

sendsthesignaltothe

LDunits

.TheLDunitssenda

feedbacksignaltotheBCU.

Whenth

eLDunitsstart

emitting

laserbeams,the

feedbacksignalchangesfrom

HightoLow.

TheSC

codeisgenerated

whentheBCUreceivesno

feedbacksignal(staysHigh)

fromthe

LDunit1secondafter

paperre

achestheposition

whereth

elasershouldstart

writing.

Poorconnection

betwe

enBCUandLD

units

Defec

tiveBCU

Defec

tiveLDunit

1.T


2.C

heckthecablesbetweentheLD

u

nitsandtheBCU.

3.R


nit.

4.R

eplacetheBCU.

D

SC

231

FGATEtimeout

231-001:Y

231-002:M

231-003:C

231-004:K

WhenLDunitsemitlaser

beamstoprintajob,the

feedbacksignalstaysLowand

becomesHighafterlaser

exposureforapageis

completed.TheSCcodeis

detected

inthefollowing

cases:

When

thefeedbacksignal

stays

Low7secondsafter

comp

letingthelaser

expos

ure,or

When

thefeedbacksignal

stays

Lowuntilthelaser

expos

uretimingforthenext

page

inmulti-pageprint

mode

.

Poorconnection

betwe

enBCUandLD

units

Defec

tiveBCU

Defec

tiveLDunit

1.T


2.C

heckthecablesbetweentheLD

u

nitsandtheBCU.

3.R


nit.

4.R

eplacetheBCU.

D


8/114

SCTABLE

B147/B149/B190

4-18

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

240

LDover

240-001:Y

240-002:M

240-003:C

240-004:K

Thepow

ersupplyfortheLD

unitexceeds67mA.

LDwornout

(curre

nt/lightoutput

chara

cteristicshave

changed.)

LDbr

oken(short

circuit)

1.T


2.R


nit.

D

SC

260

LDHPsensor

notswitchedon

(forKonly)

Duringh

oming,ittakesmore

thanfive

secondstoswitchthe

HPsens

oron(thesensor

actuator

doesnotcoverthe

sensor).

Defec

tivemotor

Defec

tivesensor

Mech

anicalproblem

when

switchingthe

actua

tor

Brownfuse(FU81)on

thePowersupplyunit

1.T


2.C

heckthesensoractuatorposition

of

t

heLDpositioningmotor.

3.R

eplacetheLDpositioningmotor.

4.R

eplacetheLDhomeposition

s

ensor.

5.C

heckand/orreplacethePSU.

D

SC

261

LDHPsensor

notswitchedoff

(forKonly)

Afterthe

laserbeampitchwas

changed

,ittakesmorethan

fivesecondsfortheHPsensor

toswitchoff.

Defec

tivemotor

Defec

tivesensor

Mech

anicalproblem

when

switchingthe

actua

tor

Brownfuse(FU81)on

thePowersupplyunit

1.T


2.C

heckthesensoractuatorposition

of

t

heLDpositioningmotor.

3.R

eplacetheLDpositioningmotor.

4.R

eplacetheLDhomeposition

s

ensor.

5.C

heckand/orreplacethePSU.

D


9/114

SCTABLE

SM

4-19

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

285

Lineposition

adjustment

(MUSIC)error

Linepos

itionadjustmentfails

threeco

nsecutivetimes.

Patternsampling

errordueto

insufficientimage

densityofpatterns

used

forthe

adjustment

Incon

sistencyinthe

samp

linglineposition

adjustmentpattern

duetodustonthe

pattern,damageto

theO

PCdrum,

dama

geortoner

dropp

edonthe

transferbelt,oradirty

ordefectiveIDsensor

1.T


2.C

heckandfixtheproblemthat

c

auseslowimagedensity..

3.C

leanorreplacethetransferbelt

a

nd/ortheIDsensor.

4.R

eplacethePCUorcleanthe

d

evelopmentunitthatcausestone

rto

d

roponthetransferbelt.

D

SC

370

TDsensor[K]:

Adjustment

error

SC

371

TDsensor[Y]:

Adjustment

error

SC

372

TDsensor[C]:

Adjustment

error

SC

373

TDsensor[M]:

Adjustment

error

Duringthedeveloper

initialization,theoutputvalue

oftheTDsensoriswithoutthe

adjustmentrange(3.00.1V).

Poorconnection(TD

senso

routputsisless

than0.5V.)

Defec

tiveTDsensor

1.T


2.R

esettherelatedcolordevelopme

nt

u

nit.

3.R

eplacetherelatedcolor

d

evelopmentunit.

D

SC

374

Vterror[K]

SC

375

Vterror[Y]

SC

376

Vterror[C]

SC

377

Vterror[M]

Duringtheimage

development,Vtvalueisless

than0.5

V.

Poorconnection(TD

senso

routputsisless

than0.5V.)

Defec

tiveTDsensor

1.T


2.R

esettherelatedcolordevelopme

nt

u

nit.

3.R

eplacetherelatedcolor

d

evelopmentunit.

D


10/114

SCTABLE

B147/B149/B190

4-20

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

380

Black

development

motorerror

SC

381

Color

development

motorerror

Whenth

emotorspeedis

withinth

etargetlevel,the

motorsendsalocksignal

(Highto

LowatCN214-5)to

theBCU

.

SC380isdetectedunderthe

followingconditions:

TheL

ocksignalstaysHigh

2secondsafterthemotor

turns

on.

TheL

ocksignalstaysLow2

secon

dsafterthemotor

turns

off.

TheL

ocksignalstaysHigh

formorethan2seconds

while

themotorison.

Defec

tivemotor

Defec

tiveBCU

1.T


2.R

eplacethemotor.

3.R

eplacetheBCU.

D

SC

385

IDsensorVSG

adjustment

error

Vsgisth

eoutofadjustment

rangeduringaprocesscontrol

self-check.

Adjustm

entrange:

4.00.5V

Defec

tiveIDsensor

DirtyIDsensor

IDsensor

disconnected

Dirtydrum(cleaning

incom

plete)

1.T


2.C

leantheIDsensorandadjacent

p

arts.

3.C

heckthedrumcleaningcondition

.

4.C

hecktheIDsensorconnector.

5.R

eplacetheIDsensor.

D

SC

386

Development

gammaerrorK

SC

387

Development

gammaerrorY

SC

388

Development

gammaerrorC

SC

389

Development

gammaerrorM

Anyofthefollowingconditions

happensthreeconsecutive

times:

When

thedevelopment

gamm

aisoutofthe

follow

ingrange:

0.3

6.0

When

Vkisoutofthe

follow

ingrange:

-150V

Vk150V

Developmentgamma

calculationerror

Unsuitabletoner

density

Tonersupply

mech

anismproblem

Laserexposure

problem

Imagetransfer

problem

1.T


2.C

hecktheprocesscontrolself-che

ck

r

esult(SP3-975).Iftheresultisno

t

1,fixtheproblemaccordingtoth

e

t

ableinsection4.1.2.

3.P

rintafullcolorimagebydisabling

S

Cdetection(SP5-809-001)and

c

heckiftheimagequalityisOK.If

the

imagequalityisnotOK,fixthe

p

roblem.Then,enabletheSC

d

etectionagain.

D


11/114

SCTABLE

SM

4-21

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

390

Development

Biasoutput

error

Thehighvoltagesupplyboard

(C/B)monitorsthecircuitand

detectsabnormalconditions

suchas

avoltageleakorno

outputcondition.Ifthis

happens,thehighvoltage

supplyb

oardsendsanerror

signal(H

ightoLowatCN204-

A18)totheBCU.

TheBCUmonitorsthissignal

every2msandgeneratesthis

SCcode

whentheerror

conditionoccurs250

consecu

tivetimes.

Looseconnection

Defec

tivepowerpack

C/Bo

utput

Dama

gedcable

Defec

tive

developmentunit

Defec

tiveBCU

1.T


2.C

heckiftheharnessandcablesare

p

roperlyconnected.

3.D

isconnectthehighvoltagesupply

c

ablesfromthebiasterminalsonthe

h

ighvoltagesupplyboardC/B.

M

easuretheDCvoltageusinga

m

ulti-meter.

Replacethehighvoltagesupply

boardifnovoltageissupplied.

4.I

ftheresultisOKatstep2,check

if

t

hehighvoltagesupplycableor

d

evelopmentunitisgrounded.

Replacethehighvoltagesupply

cableifitdamages.

Replacethedevelopmentunitifit

damages.

5.C

heckthePWMsignalsaresentto

t

hehighvoltagesuppliedboardfro

m

t

heBCU.ReplacetheBCUor

h

arnessbetweentheBCUandhig

h

v

oltagesupplyboardifthevoltage

is

0

.

D

SC391

-01

ChargeAC:

outputerror

391-01:K

391-02:Y

391-03:M

391-04:C


sendsth

efeedbacksignal

(CN228-2to5;MCYK).The

BCUmo

nitorsthesefeedback

signalsevery8ms.Ifthe

average

ofthesampleddatais

notwithinthecontroltarget20

consecu

tivetimes,thisSC

codeisgenerated.

Powe

rpack

disconnected

Chargereceptacleor

terminal

Defec

tivePCUbias

input

terminal

Incorrectpowerpack

B/Co

utput

Dama

gedcable

Defec

tiveBCU

PCUnotfound

1.T


2.C

hecktheconnector.

3.C

heckthatthePCUiscorrectly

installed.

4.C

heckthePCUchargevoltageinp

ut

(

thespring/conductingshaft)or

r

eplacethePCU.

5.R

eplacethepowerpackB/C.

6.R

eplacethecable.

7.R

eplacetheBCU.

D


12/114

SCTABLE

B147/B149/B190

4-22

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC393

-

001

TDsensorerror

duringwarming

up393-001:K

393-002:Y

393-003:C

393-004:M

Thedev

elopment-unitdrive

starts.T

Dsensorsignalis0.78

Vorless.

Loosecable

connection

Positioningplateout

ofpla

ce

Defec

tiveTDsensor

Developmentunitnot

found

1.T


2.C

heckthatthedevelopmentunitis

c

orrectlyinstalled.

3.R

emovethedevelopmentunitand

c

hecktheconnectorontherear.

4.C

heckthepositioningplate.

5.R

eplacethedevelopmentunit.

D

SC440

-

001

Drummotor

error

440-001:Black

440-002:Color

Nodrum

gearpositionsensor

signalis

detectedwithin0.7

second(185mm/s),1.0

second(125mm/s),or2.0

seconds

(62.5mm/s).

Defec

tivePCU

Defec

tivedrummotor

Defec

tivedrumgear

positionsensor

1.T


2.C

heckand/orreplacethePCU.

3.C

heckand/orreplacethesensor.

D

SC460

-

001

Thermistor1

error(open

circuit)

Whenth

etemperature

detected

bythermistor1,

whichis

attheleft(fusingunit)

sideofthelaseropticsunit,is

lessthan-30Cfor10seconds

consecu

tively,theBCU

determinesthatthecircuitis

opened

anddisplaysthisSC

code.

Therm

istor1

defec

tive

Cable

connection

error

BCUdefect

1.T


2.C

heckthecableconnections.

3.R

eplacethethermistor.

4.R

eplacetheBCU.

D

SC460

-

002

Thermistor1

error(short

circuit)

Whenth

etemperature

detected

bythethermistor1,

whichis

attheleft(fusingunit)

sideofthelaseropticsunit,is

higherthan70Cfor10

seconds

consecutively,the

BCUdeterminesthatthe

circuitis

shortedanddisplays

thisSCcode

Therm

istor1

defec

tive

Cable

connection

error

BCUdefect

1.T


2.C


3.R


4.R

eplacetheBCU.

D


13/114

SCTABLE

SM

4-23

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC461

-

001

Thermistor2

error(open

circuit)

Whenth

etemperature

detected

bythethermistor2,

whichis

attheright(paper

feedsec

tion)sideofthelaser

opticsunit,islessthan-30C

for10secondsconsecutively,

theBCU

determinesthatthe

circuitis

openedanddisplays

thisSCcode.

Therm

istor2

defec

tive

Cable

connection

error

BCUdefect

1.T


2.C


3.R


4.R

eplacetheBCU.

D

SC461

-

002

Thermistor2

error(short

circuit)

Whenth

etemperature

detected

bythethermistor2,

whichis

attheright(paper

feedsec

tion)sideofthelaser

opticsunit,ishigherthan70C

for10secondsconsecutively,

theBCU

determinesthatthe

circuitis

shortedanddisplays

thisSCcode

Therm

istor2

defec

tive

Cable

connection

error

BCUdefect

1.T


2.C


3.R


4.R

eplacetheBCU.

D

SC

471

Transferbelt

H.P.error

Thetran

sferbeltHPsensor

signaldoesnotchangefrom

LowtoH

igh(homeposition)or

viceversa1secondafterthe

transfer

beltcontactmotor

turnson

.

Trans

ferbeltunitnot

setproperly

Defec

tivetransferbelt

H.P.sensorand/or

transferbeltsensor

Defec

tivetransferbelt

conta

ctmotor

Trans

ferbeltunit

problem

1.T


2.R

esetthetransferbeltunit.

3.C

leanorreplacethetransferbelt

s

ensor.

4.R

eplacethetransferbeltcontact

m

otor.

5.C

heckthecontactandrelease

m

echanismofthetransferbeltunit.

D

SC

481

Wastetoner

vibratorerror

Thewas

tetonervibratordoes

notoperate.

Looseconnector

Defec

tivemotor

1.T


2.R

eplacethemotor.

D


14/114

SCTABLE

B147/B149/B190

4-24

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

490

Transferbias/

paperattraction

rollerbiasleak

error


-Transfermonitorsthecircuit

anddetectscurrentleaks.If

thishappens,thehighvoltage

supplyb

oardsendsaSC

signal(H

ightoLowatCN213-

8)tothe

BCU.

TheBCUmonitorsthissignal

every2msandgeneratesthis

SCcode

whentheerror

conditionoccurs250

consecu

tivetimes.

Defec

tivehigh

voltag

esupplyboard

-Tran

sfer

Dama

gedtransfer

belt

Trans

ferunit

Dama

gedhigh

voltag

esupplycables

Dama

gedcables

betwe

entheBCUand

highvoltagesupply

board

Defec

tiveBCU

1.T


2.C

heckthetransferunitandreplace

t

hebeltand/orthetransferunitifa

ny

d

amageisfound.

3.R

eplacethehighvoltagesupply

b

oard-Transfer.

4.C

heckand/orreplacethehighvoltage

s

upplycables.

5.C

heckand/orreplacethedccable

s

b

etweentheBCUandhighvoltage

s

upplyboard.

6.R

eplacetheBCU.

D

SC

501

PaperTray1

error

SC

502

PaperTray2

error

Whenth

etrayliftmotoris

turnedo

n,iftheupperlimitis

notdete

ctedwithin10

seconds

,themachineasksthe

usertoresetthetray.Ifthis

conditionoccursthree

consecu

tivetimes,theSCis

generated.

Defec

tivepaperlift

senso

r

Defec

tivetraylift

motor

Defec

tivebottom

plate

liftmechanism

1.T


2.C

heckifthebottomplatesmoothly

m

ovesupanddownmanually.

3.C

heckand/orreplacethepaperlift

s

ensor.

4.C

heckand/orreplacethetraylift

m

otor.

B


15/114

SCTABLE

SM

4-25

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC503

-01

Tray3error

(PaperFeed

UnitorLCT)

Forthepaperfeedunit:

Whenth

etrayliftmotoris

turnedo

n,iftheupperlimitis

notdete

ctedwithin18

seconds

,themachineasksthe



consecu

tivetimes,theSCis

generated.

FortheLCT:

ThisSC

isgeneratedunder

thefollowingconditions:

Ifthe

upperorlowerlimitis

notdetectedwithin15

secon

dswhenthetraylift

motoristurnedontoliftup

orlow

erthetray

Ifthe

paperstackisnot

transportedwithinaspecific

numb

erofpulsesafterthe

traym

otorandstack

transportclutchturnonto

transportthepaperstack

Ifthe

endfencehome

positionsensorstaysONfor

aspe

cificnumberofpulses

afterthetraymotorand

stack

transportclutchturn

onto

transportthepaper

stack.


Defec

tivetraylift

motororconnector

disconnection

Defec

tiveliftsensor

orconnector

disconnection

FortheLCT:

Defec

tivestack

transportclutchor

connector

disconnection

Defec

tivetraymotor

orconnector

disconnection

Defec

tiveendfence

home

positionsensor

orconnector

disconnection

Defec

tiveupperlimit

senso

rorconnector

disconnection

Defec

tivetraylift

motororconnector

disconnection

1.T


2.C


3.C

heckand/orreplacethedefective

c

omponent.

B


16/114

SCTABLE

B147/B149/B190

4-26

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC503

-02

Tray3error

(PaperFeed

UnitorLCT)

Ifthe

followingcondition

occur

s3consecutivetimes,

thisS

Cisgenerated.


Whenth

emainswitchis

turnedo

rwhenthetrayisset

andiftheupperlimitisalready

detected

,theliftmotorturnson

tolower

thebottomplateuntil

theliftsensorgoesoff.

Ifthemotorturnsonfor7

seconds

ormore,themachine

asksthe

usertoresetthetray.

FortheLCT:

Whenth

emainswitchis

turnedo

norwhentheLCTis

set,iftheendfenceisnotin

thehom

eposition(home

position

sensorON),thetray

liftmotorstops.


Defec

tivetraylift

motororconnector

disconnection

Defec

tiveliftsensor

orconnector

disconnection

FortheLCT:

Defec

tivestack

transportclutchor

connector

disconnection

Defec

tivetraymotor

orconnector

disconnection

Defec

tiveendfence

home

positionsensor

orconnector

disconnection

1.T


2.C


3.C


c

omponent.

B

SC504

-01

Tray4error(3

TrayPaper

FeedUnit)

Whenth

etrayliftmotoris

turnedo

n,iftheupperlimitis

notdete

ctedwithin18

seconds

,themachineasksthe



consecu

tivetimes,theSCis

generated.

Defec

tivetraylift

motororconnector

disconnection

Defec

tiveliftsensor

orconnector

disconnection

1.T


2.C


3.C


c

omponent.

B


17/114

SCTABLE

SM

4-27

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC504

-02

Tray4error(3

TrayPaper

FeedUnit)

Whenth

emainswitchis

turnedo

rwhenthetrayisset

andiftheupperlimitisalready

detected

,theliftmotorturnson

tolower

thebottomplateuntil

theliftsensorgoesoff.

Ifthemotorturnsonfor7

seconds

ormore,themachine

asksthe

usertoresetthetray.

Ifthisco

nditionoccurs3

consecu

tivetimes,thisSCis

generated.

Defec

tivetraylift

motororconnector

disconnection

Defec

tiveliftsensor

orconnector

disconnection

1.T


2.C


3.C


c

omponent.

B

SC

530

Fusingfan

motorerror

TheBCUdoesnotreceivethe

locksignal(CN210-B5)5

seconds

afterturningonthe

fusingfa

n.

Defec

tivefusingfan

motororconnector

disconnection

Defec

tiveBCU

1.T


2.C

hecktheconnectorand/orreplac

e

t

hefusingfanmotor.

3.R

eplacetheBCU.

D

SC

541

Heatingroller

thermistorerror

Thetem

peraturemeasuredby

theheatingrollerthermistor

doesnotreach7Cforten

seconds

.

Looseconnectionof

theheatingroller

therm

istor

Defec

tiveheating

roller

thermistor

Defec

tiveBCU

1.C

heckiftheheatingrollerthermistor

isfirmlyconnected.

2.R

eplacethefusingunit.

3.R

eplacetheBCU.

A

SC

542

Heatingroller

warm-uperror

Afterthe

mainswitchisturned

onorthecoverisclosed,the

heatingrollertemperature

doesnotreachtheready

tempera

turewithin60seconds

duringfusingunitwarm-up.

Heatingrollerfusing

lamp

broken

Defec

tiveheating

roller

thermistor

Defec

tiveBCU

1.C


isfirmlyconnected.

2.R


3.R

eplacetheBCU.

A

SC

543

Heatingroller

fusinglamp

overheat

Thedetectedfusing

tempera

turestaysat210Cor

moreforfiveseconds.

Defec

tivePSU

Defec

tiveBCU

1.R

eplacethePSU.

2.R

eplacetheBCU.

A


18/114

SCTABLE

B147/B149/B190

4-28

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

544

Heatingroller

fusinglamp

high

temperature

error

Durings

tand-bymodeora

printjob,thedetectedheating

rollertemperaturestaysat

210Cormorefor0.2second.

Defec

tiveheating

roller

thermistor

Defec

tivePSU

Defec

tiveBCU

1.R


2.R

eplacethePSU.

3.R

eplacetheBCU.

A

SC

545

Heatingroller

fusinglamp

consecutivefull

power

Whenth

efusingunitisnot

running

intheReadycondition,

theheatingrollerfusinglamp

keepsonwithfullpowerfor30

consecu

tiveseconds.

Heatingroller

therm

istoroutof

position

1.R


A

SC

546

Heatingroller

fusinglamp

temperature

fluctuation

Thehea

tingrollertemperature

changes

by20Cormorein

onesecond.Thisoccursthree

timesin

oneminuteortwo

consecu

tivetimes.

Looseconnectionof

theth

ermistor

Looseconnection

betwe

enthefusing

unita

ndmainframe

1.C

heckifthefusingunitisproperly

set

a

ndconnectedtothemainframe.

2.C


c

onnectorisfirmlyconnected.

3.R


A

SC

551

Pressureroller

thermistorerror

Themeasuredpressureroller

tempera

turedoesnotreach

7Cfor30seconds.

Looseconnectionof

press

ureroller

therm

istor

Defec

tivepressure

roller

thermistor

Defec

tiveBCU

1.C

heckthatthepressureroller

t

hermistorisfirmlyconnected.

2.R


3.R

eplacetheBCU.

A

SC

552

Pressureroller

warm-uperror

Afterthe

mainswitchisturned

onorthedoorisclosed,the

pressurerollertemperature

doesnotreachtheready

tempera

turewithin180

seconds

duringfusingunit

warm-up.

Press

urerollerfusing

lamp

broken

Defec

tivepressure

roller

thermistor

Defec

tiveBCU

1.C

heckifthepressurerollerthermistor

isfirmlyconnected.

2.R


3.R

eplacetheBCU.

A

SC

553

Pressureroller

fusinglamp

overheat

Thedetectedpressureroller

tempera

turestaysat210Cor

moreforfiveseconds.

Defec

tivePSU

Defec

tiveBCU

1.R


2.R

eplacethePSU.

3.R

eplacetheBCU.

A


19/114

SCTABLE

SM

4-29

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

555

Pressureroller

fusinglamp

consecutivefull

power

Whenth

efusingunitisnot

running

intheReadycondition,

thepres

surerollerfusinglamp

keepsO

Nwithfullpowerfor

100consecutiveseconds.

Press

ureroller

therm

istoroutof

position

1.R


A

SC

556

Pressureroller

fusinglamp

temperature

fluctuation

Thepressureroller

tempera

turechangesby

20Co

rmoreinonesecond.

Thisocc

ursthreetimesinone

minuteo

rtwoconsecutive

times.

Looseconnectionof

thepressureroller

therm

istor

Looseconnection

betwe

enthefusing

unita

ndmainframe

1.C

heckifthefusingunitisproperly

set

a

ndconnectedtothemainframe.

2.C

heckifthepressurerollerthermistor

c

onnectorisfirmlyconnected.

3.R


A

SC

560

Zerocrosserror

Whenth

emainswitchis

turnedo

n,themachinechecks

howmanyzero-crosssignals

aregeneratedduring500ms.

Ifthenu

mberofzero-cross

signalgeneratediseithermore

than66

orlessthan45and

whenthisconditionisdetected

10consecutivetimes,this

codeisdisplayed.

Electricalnoiseinthe

supplyfromthe

powercord

1.R

eplacethePSU.

A

SC

620

ARDF

communication

error

AftertheARDFisdetected,

thebreaksignaloccursor

comm

unicationtimeout

occur

s.


ofAR

DF

ARDF

defective

IPUb

oarddefective

Externalnoise

1.T


2.C

heckthecableconnectionofthe

A

RDF.

3.S

hutouttheexternalnoise.

4.R

eplacetheARDF.

5.R

eplacetheIPUboard.

D

SC

621

Two-tray

finisher/booklet

finisher

communication

error

SC

622

Bank

communication

error

Whileth

eBCUcommunicates

withanoptionalunit,anSC

codeisdisplayedifoneof

followingconditionsoccurs.

1.TheBCUreceivesasignal

which

isgeneratedbythe

peripheralsonlyjustafter

them

ainswitchisturned

Cable

problems

BCUproblems

PSUproblemsinthe

mach

ine

Main

boardproblems

inthe

peripherals

1.T


2.C

heckifthecablesofperipheralsare

p

roperlyconnected.

3.R

eplacethePSUifnopoweris

s

uppliedtoperipherals.

4.R

eplacetheBCUormainboardof

p

eripherals.

D

Rev.06/2004


20/114

SCTABLE

B147/B149/B190

4-30

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

623

Duplexunit

communication

error

on.

2.WhentheBCUdoesnot

receiveanOKsignalfroma

perip

heral100msafter

send

ingacommandtoit.

TheBCUresendsthe

comm

and.TheBCUdoes

notreceiveanOKsignal

after

sendingthecommand

3tim

es.

Cable

problems

BCUproblems

PSUproblemsinthe

mach

ine

Duple

xcontrolboard

problem

1.T


2.C

heckifthecableoftheduplex

inverterunitisproperlyconnected.

3.R

eplacethePSUifnopoweris

s

uppliedtotheperipherals.

4.R

eplacetheduplexcontrolboardin

t

heinverterunit.

D

SC

630

CSS

communication

error

Ancommunicationerrorhas

occurredduring

commun

icationwiththeCSS.

Comm

unicationline

error

Log

gingonly.

CTL

SC

632

MFaccounting

deviceerror1

Thecon

trollersendsdatato

theacco

untingdevice,butthe

deviced

oesnotrespond.This

occursthreetimes.

SC

633

MFaccounting

deviceerror2

Aftercommunicationis

established,thecontroller

receives

thebrakesignalfrom

theacco

untingdevice.

Looseconnection

betwe

enthe

controllerandthe

accou

ntingdevice

1.T


2.C

hecktheconnection.

CTL

SC

634

MFaccounting

deviceerror3

Theaccountingdevicesends

thecontrollerthereportthat

indicatesabackupRAMerror

hasoccurred.

SC

635

MFaccounting

deviceerror4

Theaccountingdevicesends

thecontrollerthereportthat

indicatesthebatteryvoltage

errorhasoccurred.

Defec

tivecontrollerof

theM

Faccounting

device

Batteryerror

1.T


2.R

eplacethecontrollerboardofthe

a

ccountingdevice.

3.R

eplacethebattery.

CTL


21/114

SCTABLE

SM

4-31

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

640

BCU-

Controller

communication

error(check

sumerror)

Theche

cksumoftheinterface

between

theBCUand

controlle

risnotthesame.

Defec

tivecontroller

Defec

tiveBCU

1.T


2.R

eplacethecontroller.

3.R

eplacetheBCU.

CTL

SC

641

BCU

Controller

communication

error(no

response)

Thecon

trollerdoesnotreceive

anyresp

onsefromtheBCU

threeco

nsecutivetimeswhen

sending

asignalevery100ms.

Looseconnection

Defec

tivecontroller

Defec

tiveBCU

1.T


2.C

hecktheconnectionbetweenthe

B

CUandcontroller.

3.R


4.R

eplacetheBCU.

CTL

SC

670

Noresponse

fromBCUat

poweron

Whenth

emainpoweris

turnedo

northemachine

startswarmingupfrom

energy-savingmode,the

controlle

rdoesnotreceivea

comman

dsignalfromthe

BCU.

Looseconnection

Defec

tivecontroller

Defec

tiveBCU

1.T


2.C


B

CUandcontroller.

3.R


4.R

eplacetheBCU.

CTL


22/114

SCTABLE

B147/B149/B190

4-32

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

672

Controller-to-

operationpanel

communication

erroratstartup

Afterthemachineis

poweredon,the

comm

unicationbetweenthe

controllerandtheoperation

panelisnotestablished,or

comm

unicationwith

controllerisinterruptedafter

anormalstartup.

Afterstartupresetofthe

opera

tionpanel,the

attentioncodeorthe

attentionacknowledgecode

isnot

sentfromthe

controller.

Afterthecontrollerissuesa

comm

andtocheckthe

comm

unicationlinewiththe

controllerat30-second

interv

als,thecontrollerfails

tores

pondtwice.

Contr

ollerstalled

Contr

ollerboard

installedincorrectly

Contr

ollerboard

defec

tive

Operationpanel

connectorlooseor

defec

tive

Thec

ontrollerisnot

comp

letelyshutdown

when

youturnthe

main

switchoff.

1.

Turnthemainswitchoffandon.

2.

Checktheconditionofthecontroller

b

oard.

3.

Checktheconditionoftheoperation

p

anel.

4.

Replacethecontrollerboard.

5.

Replacetheoperationpanel.

6.

Turnthemainswitchoff,waitforone

s

econdormore,andturnthemain

s

witchon.

CTL

SC

680

BCU/MUSIC

communication

error

Afterthe

engineCPUsendsa

message,theMusicCPUdoes

notresp

ondwithinfive

seconds

threeconsecutive

times.

Tonercartridge

memorychiploose

connection

Memorychipproblem

Memorychipcable

wiring

problem

1.T


2.C

heckifthetonercartridgeis

installedcorrectly.

3.R

eplacethetonercartridge.

4.C

heckiftheharnessesarenot

d

amaged.

5.R

eplacetheBCU.

D

SC

685

SBU-IPU

communication

error

Duringdatatransfer,a

check

sumerroroccurs.

Duringanyoperationexcept

initialization,theSBUsends

ahardware-reset

ackno

wledgementtothe

IPU.

Looseconnection

betwe

enSBUand

IPU

SBUboarddefective

IPUb

oarddefective

Externalnoise

1.T


2.S

hutouttheexternalnoise.

3.C

heckthecableconnectionofthe

s

cannerunit.

4.R

eplacetheSBUboard.

5.R

eplacetheIPUboard.

D


23/114

SCTABLE

SM

4-33

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

686

BCU-IPU

communication

error

Afterthemachineis

poweredonorrecovering

fromthepowersavemode,

timeo

utoccursduringBCU

comm

unication.

Theb

reaksignalisreceived

afterthecommunicationis

normallyestablishedwith

theBCU.

Timeoutoccurswhilethe

comm

unicationwiththe

BCUisretriedaftera

comm

unicationerror.

Board

connector

betwe

enBCUand

controllerloose

Board

connector

betwe

encontroller

andm

otherboard

loose

Board

connector

betwe

enmotherboard

andIPUloose

BCUboarddefective

IPUb

oarddefective

Contr

ollerboard

defec

tive

Motherboard

defec

tive

1.T


2.C


en

t

heboardconnectorandBCU.

3.C


en

c

ontrollerandmotherboard.

4.C


en

m

otherboardandIPU.

5.R

eplacetheBCUboard.

6.R

eplacetheIPUboard.

7.R

eplacethecontrollerboard.

8.R

eplacethemotherboard.

D

SC

687

Memory

address

commanderror

TheBCUdoesnotreceivea

memory

addresscommand

fromthe

controller60seconds

afterpaperisinthepositionfor

registration.

Looseconnection

Defec

tivecontroller

Defec

tiveBCU

1.T


2.C

heckifthecontrollerisfirmly

c

onnectedtotheBCU.

3.R


4.R

eplacetheBCU.

D

SC690

-

001

GAVDI2C

communica-tion

error

690-001:Y

690-002:M

690-003:C

690-004:K

TheI2CbusdeviceIDisnot

identifiedduring

initialization.

Adev

ice-statuserroroccurs

duringI2Cbus

comm

unication.

TheI2Cbuscommunication

isnot

establishedduetoan

errorotherthanabuffer

shortage.

Looseconnection

Defec

tiveBCU

Defec

tiveLD

controllerboard

1.T


2.C

heckthecableconnection.

3.R


nit.

4.R

eplacetheBCUboard.

D


24/114

SCTABLE

B147/B149/B190

4-34

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

691

Scannerstartup

error

Afterthemachineis

poweredonorrecovering

fromthepowersavemode,

thesc

annerreadysignalis

notve

rified.

Board

connector

betwe

encontroller

andm

otherboard

loose

Board

connector

betwe

enmotherboard

andIPUloose

IPUb

oarddefective

Contr

ollerboard

defec

tive

Motherboard

defec

tive

1.T


2.C


en

c

ontrollerandmotherboard.

3.C


en

m

otherboardandIPU.

4.R

eplacetheIPUboard.

5.R


6.R

eplacethemotherboard.

CTL

SC

692

GAPCII2C

communication

error

TheI2CbusdeviceIDisnot

identifiedduring

initialization.

Adev

ice-statuserroroccurs

duringI2Cbus

comm

unication.

TheI2Cbuscommunication

isnot

establishedduetoan

errorotherthanabuffer

shortage.

Looseconnection

Defec

tiveBCU

Defec

tiveLD

controllerboard

1.T


2.C

heckthecableconnection.

3.R

eplacetheBCU.

D

SC

700

ARDForiginal

pick-up

malfunction

Afterthepick-upmotoris

turnedon,theoriginal

stopp

erHPsensorisnot

activa

ted.

Origin

alstopperHP

senso

rdefective

Pick-upmotor

defec

tive(not

rotating)

Timin

gbeltoutof

position

ARDF

mainboard

defec

tive

SC701

1.T


2.R

eplacetheHPsensor.

3.T


4.R

eplacethepick-upmotor.

5.R

eplacethecontrolboard.

B


25/114

SCTABLE

SM

4-35

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

701

ARDForiginal

pick-up/paper

liftmechanism

malfunction

Theo

riginalpick-upHP

senso

risnotactivatedafter

thepick-upmotoristurned

on.

Origin

alpick-upHP

senso

rdefective

Pick-upmotor

defec

tive

ARDF

mainboard

defec

tive

SC700

1.T


2.R

eplacethepick-upmotor.

3.R

eplacethecontrolboard.

4.R

eplacetheHPsensor.

D

SC

722

Two-tray

finisherjogger

motorerror

Thejoggerfencesofthe

two-tr

ayfinisherdonot

return

tohomeposition

within

aspecifictime.

Thetwo-trayfinisherjogger

motordoesnotleavehome

positionwithinagiventime.

Defec

tivejoggerH.P.

senso

r

Looseconnection

Defec

tivejogger

motor

1.T


2.C

hecktheconnectionofjoggerH.P.

s

ensorandjoggermotorconnecto

rs

3.R

eplacethejoggerH.P.sensor.

4.R

eplacethejoggermotor.

B

SC

724

Two-tray

finisherstaple

hammermotor

error

Stapling

doesnotfinishwithin

150msafterthestaple

hammermotorturnson.

Staplejam

Looseconnection

Overloadcausedby

staplingtoomany

pages

Defec

tivestaple

hamm

ermotor

1.T


2.C

heckifthestaplehammermotor

c

onnectorisproperlyconnected.

3.C

heckifthestaplejamoccurs.

4.R

eplacethestaplehammermotor.

B

SC

725

Two-tray

finisherstack

feed-outmotor

error

Thestackfeed-outbeltH.P.

sensord

oesnotactivatewithin

aspecifiedtimeafterthestack

feed-outmotorturnson.

Defec

tivestackfeed-

outH.P.sensor

Looseconnection

Stack

feed-outmotor

overload

Defec

tivestackfeed-

outm

otor

1.T


2.C

heckiftheconnectorsofthestac

k

f

eed-outH.P.sensorandmotorare

p

roperlyconnected.

3.R

eplacethestackfeed-outH.P.

s

ensor.

4.R

eplacethestackfeed-outmotor.

B


26/114

SCTABLE

B147/B149/B190

4-36

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

726

Two-tray

finishershift

tray1liftmotor

error

Theu

pperstackheight1

senso

risactivated

conse

cutively(detecting

paper)for15secondsafter

thesh

ifttraystartsmoving

up.

Theu

pperstackheight

senso

r1isdeactivated

conse

cutively(notdetecting


thesh

ifttraystartsmoving

down.

When

theuppertraymoves

fromlowerpaperexittothe

upperpaperexit,theupper

stack

height1sensoris

activa

ted.

Looseconnection

Defec

tiveupperstack

heigh

t1sensor

Defec

tiveshifttray1

liftmo

tor

Motoroverload

1.T


2.C

heckiftheconnectorsofthesensor

a

ndmotorareproperlyconnected.

3.R

eplacetheupperstackheight1

s

ensor.

4.R

eplacetheshifttray1liftmotor.

B

SC

727

Two-tray

finisherstapler

rotationmotor

error

Thestaplercannotreturntoits

homepositionwithina

specifiedtimeafterthestapler

rotation

motorstartsrotating.

Looseconnection

Defec

tivestapler

rotationmotor

Motoroverload

1.T


2.C

heckifthestaplerrotationmotor

c

onnectorisproperlyconnected.

3.R

eplacethestaplerrotationmotor.

B

SC

729

Two-tray

finisherpunch

motorerror

Thepun

chhomepositionis

notdete

ctedwithin250ms

afterthe

punchclutchturnson.

Looseconnection

Defec

tivepunchH.P.

senso

r

Defec

tivepunch

clutch

Defec

tivepunchhole

motor

1.T


2.C

heckiftheconnectorsofsensor,

c

lutchand/ormotorareproperly

c

onnected.

3.R

eplacethepunchH.P.sensor.

4.R

eplacethepunchclutch.

5.R

eplacethepunchholemotor.

B

SC

730

Two-tray

finisherstapler

motorerror

Thestaplerhomepositionis

notdete

ctedwithinaspecified

timeafte

rthestaplemotor

turnson

.

Looseconnection

Defec

tivestaplerH.P.

senso

r

Defec

tivestapler

motor

1.T


2.C


a


3.R

eplacethestaplerH.P.sensor.

4.R

eplacethestaplermotor.

B


27/114

SCTABLE

SM

4-37

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

731

Two-tray

finisherexit

guideplate

motorerror

Theexit

guideplateopen

sensorisnotactivatedwithina

specifiedtimeaftertheexit

guideplatemotorturnson.

Looseconnection

Defec

tiveexitguide

plate

opensensor

Defec

tiveexitguide

plate

motor

1.T


2.C


a


3.R

eplacetheexitguideplateopen

s

ensor.

4.R

eplacetheexitguideplatemotor

.

B

SC

732

Two-tray

finishertray1

shiftmotorerror

Tray1h

omepositionisnot

detected

withinaspecified

timeafte

rthetray1shiftmotor

turnson

.

Looseconnection

Defec

tivetrayshift1

senso

r

Defec

tivetray1shift

motor

1.T


2.C


a


3.R

eplacethetrayshift1sensor.

4.R

eplacethetray1shiftmotor.

B

SC

733

Two-tray

finishertray2

liftmotorerror

Thelowerstackheight1

senso

risactivated

conse

cutively(detecting


thesh

ifttraystartsmoving

up.

Thelowerstackheight

senso

r1isdeactivated

conse

cutively(notdetecting


thesh

ifttraystartsmoving

down.

Looseconnection

Defec

tivelowerstack

heigh

t1sensor

Defec

tivetray2lift

motor

Motoroverload

1.T


2.C


a


3.R

eplacethelowerstackheight1

s

ensor.

4.R

eplacethetray2liftmotor.

B

SC

734

Two-tray

finishertray2

shiftmotorerror

Tray2h

omepositionisnot

detected

withinaspecified

timeafte

rthetray2shiftmotor

turnson

.

Looseconnection

Defec

tivetrayshift2

senso

r

Defec

tivetray2shift

motor

1.T


2.C


a


3.R

eplacethetrayshift2sensor.

4.R

eplacethetray2shiftmotor.

B


28/114

SCTABLE

B147/B149/B190

4-38

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

740

Bookletfinisher

transportmotor

error

Thefolderhomeposition

senso

rdoesnotturnoff

within

2secondsafterthe

folder

rollersstarttomove.

Thefolderhomeposition

senso

rdoesnotturnon

within

2secondsafterthe

folder

rollersstart

transportingthepapertothe

booklettray.

Defec

tivetransport

motor

Looseconnectionof

thetransportmotor

Defec

tivefolderhome

positionsensor

Looseconnectionof

theholderhome

positionsensor

1.T


2.C

hecktheconnectionofthetransport

m

otor.

3.C

hecktheconnectionofthefolder

h

omepositionsensor.

4.R

eplacethetransportmotor.

B

SC

741

Bookletfinisher

paddlemotor

error

Thep

addlehomeposition

senso

rdoesnotturnoff

within

2secondsafterthe

paddlesstarttomove.

Thep

addlehomeposition

senso

rdoesnotturnon

within

2secondsafterthe

paddlesstarttooperate.

Thes

tack-trayupperroller

home

positionsensordoes

nottu

rnoffwithin2seconds

afterthepaddlemotorstarts

tolow

ertheroller.

Thes

tack-trayupper-roller

home

-positionsensordoes

nottu

rnonwithin2

secon

dsafterthepaddle

motorstartstolowerthe

roller.

Defec

tivepaddle

motor

Looseconnectionof

thepaddlemotor

Defec

tivepaddle

home

positionsensor

Looseconnectionof

thepaddlehome

positionsensor

Defec

tivestack-tray

upper-rollerhome-

positionsensor

Looseconnectionof

thestack-trayupper-

roller

home-position

senso

r

1.T


2.C

heckthattheconnectionofthe

p

addlemotor.

3.C

hecktheconnectionofthepaddle

h

omepositionsensor.

4.C

hecktheconnectionofthestack-

t

rayupper-rollerhome-position

s

ensor.

5.R

eplacethepaddlemotor.

B


29/114

SCTABLE

SM

4-39

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

742

Bookletfinisher

staplerslide

motorerror

Thes

taplerhomeposition

senso

rdoesnotturnoff

within

1secondafterthis

same

sensorturnson.

Thes

taplerhomeposition

senso

rdoesnotturnon

within

1secondwhenthe

staple

riscomingbacktoits

home

position.

Defec

tivestaplerslide

motor

Looseconnectionof

thestaplerslide

motor

Defec

tivestapler

home

positionsensor

Looseconnectionof

thestaplerhome

positionsensor

1.T


2.C

hecktheconnectionofthestaple

r

s

lidemotor.

3.C


r

h

omepositionsensor.

4.R

eplacethestaplerhomeposition

s

ensor.

5.R

eplacethestaplerslidemotor.

B

SC

743

Bookletfinisher

frontjogger

fencemotor

error

Thefront-jogger-fence

home

-positionsensordoes

nottu

rnoffwithin3seconds

afterthefront-jogger-fence

motorstarts.

Thefront-jogger-fence

home

-positionsensordoes

nottu

rnonwithin3seconds

when

thefront-jogger-fence

motorisdrivingthefenceto

itshomeposition.

Incorrectassembling

ofthe

frontjogger

fence

Looseconnectionof

thefrontjoggerfence

motor

Defec

tivefront-

jogge

r-fencehome-

positionsensor

Looseconnectionof

thefront-jogger-fence

home

-positionsensor

1.T


2.C

hecktheconnectionofthefront

joggerfencemotor.

3.C

hecktheconnectionofthefront-

jogger-fencehome-positionsensor.

4.R

eplacethefront-jogger-fencehome-

p

ositionsensor.

5.R

eplacethefrontjoggerfencemotor.

B

SC

744

Bookletfinisher

rearjogger

fencemotor

error

Therear-jogger-fence

home

-positionsensordoes

nottu

rnoffwithin3seconds

aftertherear-jogger-fence

motorstarts.

Therear-jogger-fence

home

-positionsensordoes

nottu

rnonwithin3seconds

when

therear-jogger-fence

motorisdrivingthefenceto

itshomeposition.

Incorrectassembling

ofthe

rearjogger

fence

Looseconnectionof

there

arjoggerfence

motor

Defec

tiverear-jogger-

fence

home-position

senso

r

Looseconnectionof

there

ar-jogger-fence

home

-positionsensor

1.T


2.C

hecktheconnectionoftherear

joggerfencemotor.

3.C

hecktheconnectionoftherear-

jogger-fencehome-positionsensor.

4.R

eplacetherear-jogger-fencehom

e-

p

ositionsensor.

5.R

eplacetherearjoggerfencemotor.

B


30/114

SCTABLE

B147/B149/B190

4-40

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

745

Bookletfinisher

stack-trayexit

motorerror

Thes

tack-tray-belthome-

positionsensordoesnot

turno

ffwithin394

millisecondsafterthestack-

traye

xitrollerstartstodrive

thebelts.T

hestack-tray

exitm

otorretriestodrive

thebelts,butthestack-tray-

belth

ome-positionsensor

stilldoesnotturnoffwithin

anoth

er394milliseconds.

Thes

tack-tray-belthome-


turno

nwithin1,084

millisecondsafterthesame

home

-positionsensorturns

off.

Thestack-trayexit

motorretirestodrivethe

belts,

butthestack-traybelt

home

-positionsensorstill

does

notturnonwithin

anoth

er1,084milliseconds.

Defec

tivestack-tray

exitm

otor

Looseconnectionof

thestack-trayexit

motor

Defec

tivestack-tray-

belth

ome-position

senso

r

Looseconnectionof

thestack-tray-belt

home

-positionsensor

1.T


2.C


t

rayexitmotor.

3.C


t

ray-belthome-positionsensor.

4.R

eplacethestack-tray-belthome-

p

ositionsensor.

5.R

eplacethestack-trayexitmotor.

B


31/114

SCTABLE

SM

4-41

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

746

Bookletfinisher

stapler/folder

motorerror

Thes

tapler/foldermotor

starts

.Butthecontroller

does

notreceivethesignal

fromtheencodersensor

within

0.1second.

Thes

tapler/foldermotor

starts

todrivethestapler

unit,a

ndthestaplerswitch

ison.

Butthecontroller

does

notreceivethesignal

fromthehomeposition

senso

rfor0.5second.

Thes

taplerstartstostaple

thepaper.Butthecontroller

does

notreceiveanysignal

fromthehomeposition

senso

r,andthestapler

switchisoff.

Thes

tapler/foldermotor

starts

todrivethefolder

rollers.Butthehome


turno

ffwithin9.247

secon

ds.

Theh

omepositionsensor

does

notturnonwithin

9.247

secondsafterthis

same

sensorturnsoff.

Malfu

nctionofthe

staple

r/foldermotor

Looseconnectionof

thestapler/folder

motor

Looseconnectionof

theencodersensor

Defec

tiveencoder

senso

r

Looseconnectionof

thestaplerswitch

Defec

tivestapler

switch

Looseconnectionof

thestaplerhome

positionsensor

Defec

tivestapler

home

positionsensor

Looseconnectionof

thefo

lder-roller

home

-positionsensor

Defec

tivefolder-roller

home

-positionsensor

1.T


2.C

hecktheconnectionofthe

s

tapler/foldermotor.

3.C

hecktheconnectionoftheencod

er

s

ensor.

4.C


r

s

witch.

5.C


r

h

omepositionsensor.

6.C

hecktheconnectionofthefolder

-

r

ollerhome-positionsensor.

7.R

eplacethestapler/foldermotor.

8.R

eplacetheencodersensor.

9.R

eplacethestaplerswitch.

10.

Replacethestaplerhomeposition

s

ensor.

11.

Replacethefolder-rollerhome-

p

ositionsensor.

B


32/114

SCTABLE

B147/B149/B190

4-42

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

747

Bookletfinisher

liftmotorerror

Theu

pperlimitsensor

detec

tstheregulartray

while

theliftmotorislifting

there

gulartray.

Thep

aperheightsensor

does

notturnoffwithin10

secon

dsaftertheliftmotor

starts

tolowertheregular

tray.

Theu

pperlimitsensordoes

nottu

rnoffwithin10

secon

dsaftertheliftmotor

starts

tolowertheregular

tray.

Thep

aperheightsensor

does

notturnonwithin10

secon

dsaftertheliftmotor

starts

tolifttheregulartray.

Thec

ontrollerdoesnot

receiv

ethesignalfromthe

liftmo

torencodersensor

within

50millisecondsafter

theliftmotorstarts.

Defec

tivepaper

heigh

tsensor

Looseconnectionof

thepaperheight

senso

r

Defec

tiveupperlimit

senso

r

Looseconnectionof

theupperlimitsensor

Defec

tiveliftmotor

Looseconnectionof

theliftmotor

Incorrectassembling

ofthe

liftmotor

Defec

tiveliftmotor

encodersensor

Looseconnectionof

theliftmotorencoder

senso

r

1.T


2.C

hecktheconnectionofthepaper

h

eightsensor.

3.C

hecktheconnectionoftheupper

limitsensor.

4.C

hecktheconnectionoftheliftmo

tor

e

ncodersensor.

5.C

hecktheconnectionoftheliftmo

tor.

6.R

eplacethepaperheightsensor.

7.R

eplacetheupperlimitsensor.

8.R

eplacetheliftmotorencodersen

sor.

9.R

eplacetheliftmotor.

B

SC

748

Bookletfinisher

backupdata

error

TheCPUtriestowritedatain

theEEP

ROMthreetimes,but

failstow

ritedata.

Defec

tiveEEPROM

EEPR

OMnot

installed

1.T


2.C

heckthattheEEPROMisinstalled.

3.R

eplacetheEEPROM.

B

SC

749

Bookletfinisher

punch-unit

communication

error

Acomm

unication-erroralarm

isnotclearedfor3seconds.

Thefinishercontroller

cannotcommunicate

withthepunch-unit

controller.

1.T


2.C


f

inishercontrollerandthepunch-unit

c

ontroller.

B

SC

750

Bookletfinisher

punch-unit

controllererror

Theche

cksuminthebackup

dataisinconsistent.

Defec

tiveEEPROM

(onth

epunch-unit

controller)

EEPR

OMnot

installed

1.T


2.C

heckthattheEEPROMisinstalled.

3.R

eplacetheEEPROM.

B


33/114

SCTABLE

SM

4-43

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

751

Bookletfinisher

punch-unit

sensorerror1

Thepap

eredgeandsize

sensors

receivethe2.5-volt

lightorw

eakerlightevenwhen

thesour

ceemits4.4-voltlight.

Defec

tivesensors

Dirtysensors

1.T


2.C

leanthesensors.

3.R

eplacethesensors.

B

SC

752

Bookletfinisher

punch-unit

registration

motorerror

Theregistrationmotor

drives

theslideunittothe

rears

idefor1second.But

thehomepositionsensor

does

notturnon.

Theregistrationmotor

drives

theslideunittothe

frontsidefor1second.But

thehomepositionsensor

does

notturnoff.

Incorrectassemblyof

there

gistrationmotor

Looseconnectionof

there

gistrationmotor

Defec

tivehome

positionsensor

Looseconnectionof

thehomeposition

senso

r

1.T


2.C

hecktheconnectionofthe

r

egistrationmotor.

3.C

hecktheconnectionofthehome

p

ositionsensor.

4.R

eplacethehomepositionsensor.

5.R

eplacetheregistrationmotor.

B

SC

753

Bookletfinisher

punch-unit

punchmotor

error

Thep

unchmotorstartsto

drive

thepunchcams.But

theco

ntrollerdoesnot

receiv

etheencoder-lock

signalfor60milliseconds.

Thep

unchmotorstartto

drive

thepunchcams.But

thehomepositionssensor

does

notturnonfor250

milliseconds.

Malfu

nctionofthe

punchmotor

Looseconnectionof

thepunchmotor

Defec

tivehome

positionsensor

Looseconnectionof

thehomeposition

senso

r

Looseconnectionof

theencodersensor

Defec

tiveencoder

senso

r

1.T


2.C

heckthattheconnectionofthe

p

unchmotor.

3.C

hecktheconnectionofthehome

p

ositionsensor.

4.C

hecktheconnectionoftheencod

er

s

ensor.

5.R

eplacethehomepositionsensor.

6.R

eplacetheencodersensor.

7.R

eplacethepunchmotor.

B

SC

754

Bookletfinisher

punch-unit

sensorerror2

TheA/D

inputsofthesensor

arenotcorrectedbyvarying

theD/A

outputs.

Defec

tivesensor

Dirtysensor

1.T


2.C

leanthesensors.

3.R

eplacethesensors.

B

SC

818

Watch-dog

error

Whileth

esystemprogramis

running,otherprocessesdo

notoperateatall.

Defec

tivecontroller

Softw

areerror

1.T


2.R


3.S

eeNOTE1attheendoftheSC

table

CTL


34/114

SCTABLE

B147/B149/B190

4-44

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

819

Fatalerror

[696E]

Processerror

System

completelydown

[766D]

Memoryerror

Unexpectedsystemmemory

size

Defec

tiveRAMDIMM

Defec

tiveROMDIMM

Defec

tivecontroller

Softw

areerror

1.T


2.C

heckand/orreplacetheRAMDIMM.

3.C

heckand/orreplacetheROM

D

IMM.

4.R


5.S

eeNOTEattheendoftheSC

table.

CTL

[4361]

Kernelstop

error

Thecacheerrortrapoccursin

theCUP

.

CPUcacheerror

1.R


CTL

Kernelstop

error

Anyerro

rintheoperation

system(Anerrormessageis

output.)

Defec

tiveCPU

Defec

tivememory

Defec

tiveflash

memory

Incorrectsoftware

1.R

eplacethememory.

2.R


CTL

SC

820

Self-diagnosticserror:CPU

[XXXX]:Detailederrorcode

[0001]

to[06FF]

CPUerror

Duringtheself-diagnostic,the

controlle

rCPUdetectsan

error.Th

ereare47typesof

errorcode(0001to4005)

dependingonthecauseofthe

error.Th

eCPUdetectsan

erroranddisplaysthespecific

errorcodewiththeprogram

address

wheretheerror

occurs).

Syste

mfirmware

problem

Defec

tivecontroller

1.T


2.R

einstallthecontrollersystem

f

irmware.

3.R


Wh

entheproblemcannotbefixedwith

the

aboveprocedure,thefollowing

info

rmationdisplayedonthescreen

nee

dstobefedbacktoatechnical

sup

portcenter.

S

Ccode

D

etailederrorcode

P

rogramaddress

CTL


35/114

SCTABLE

SM

4-45

B147/B149/B190

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

[0702]

[0709]

[070A]

CPU/Memory

Error

Syste

mfirmware

problem

Defec

tiveRAM-DIMM

Defec

tivecontroller

1.T


2.R


s

oftware.

3.R

eplacetheRAM-DIMM.

4.R


CTL

[0801]

to[4005]

CPUerror

Sameas[0001]

CTL

[0B

00]

ASICerror

Thewrite-&-verifycheckerror

hasoccurredintheASIC.

Defec

tiveASIC

device

1.R


CTL

SC

821

[0D

05]

Self-diagnosis

error:ASIC

TheCPUchecksiftheASIC

timerwo

rksproperlycompared

withthe

CPUtimer.IftheASIC

timerdo

esnotfunctioninthe

specifiedrange,thisSCcode

isdispla

yed.

Syste

mfirmware

problem

Defec

tiveRAM-DIMM

Defec

tivecontroller

1.T


2.R


f

irmware.

3.R

eplacetheRAM-DIMM.

4.R


CTL

SC

822

Self-diagnosticerror:HDD(HardDiskDrive)

[XXXX]:Deta

ilederrorcode

[3003]

Timeouterror

[3004]

Commanderror

Whenth

emainswitchis

turnedo

norstartingtheself-

diagnostic,theHDDstays

busyfor

thespecifiedtimeor

more.

Looseconnection

Defec

tiveHDD

Defec

tivecontroller

1.T


2.C

heckthattheHDDisproperly

c

onnectedtothecontroller.

3.R

eplacetheHDD.

4.R


CTL

SC

823

Self-diagnosticerror:NIB

[XXXX]:Detailederror

code

[6101]

MACaddress

checksumerror

TheresultoftheMACaddress

checksumdoesnotmatchthe

checksumstoredinROM.

[6104]

PHYICerror

ThePHYIConthecontroller

cannotb

eproperlyrecognized.

[6105]

PHYICloop-

backerror

Anerror

occurredduringthe

loop-backtestforthePHYIC

onthecontroller.

Defec

tivecontroller

1.T


2.R


CTL


36/114

SCTABLE

B147/B149/B190

4-46

SM

SC

No.

Item

Definition

Pos

sibleCause

Related

SCs


Type

SC

824

[1401]

Self-diagnosis

error:Standard

NVRAM

Thecon

trollercannot

recogniz

ethestandard

NVRAM

installedordetects

thatthe

NVRAMisdefective.

Looseconnection

Defec

tivestandard

NVRA

M

Defec

tivecontroller

1.T


2.C

heckthestandardNVRAMisfirm

ly

insertedintothesocket.

3.R

eplacetheNVRAM.

4.R


CTL

SC

826

Self-diagnosticerro

r:RTC

[XXXX]:Detailederrorcode

[15

01]

Self-diagnostic

Error:RTC/

Optional

NVRAM

AnRTCdeviceis

recog

nized,andthe

differencebetweentheRTC

deviceandtheCPU

excee

dsthedefinedlimit.

NoRTCdeviceis

recog

nized.

RTCdefective

NVRA

MwithoutRTC

installed

Backupbattery

discharged

1.T


2.R

eplacetheNVRAMwithanother

N

VRAMwithanRTCdevice.

CTL

[15

FF]

Self-diagnostic

Error:RTC/

Optional

NVRAM

TheR

TCdeviceisnot

detec

ted.

NVRA

MwithoutRTC

installed

Backupbattery

discharged

1.T


2.R

eplacetheNVRAMwithanother

N

VRAMwithanRTCdevice.

CTL

SC

827

Self-diagnosticerror:StandardSDRAMDIMM

[XXXX]:Det

ailederrorcode

[0201]

Verification

error

Errorde

tectedduringa

write/verifycheckforthe

standardRAM(SDRAM

DIMM).

Looseconnection

Defec

tiveSDRAM

DIMM

Defec

tivecontroller

1.T


2.R

eplacetheSDRAMDIMM.

3.R


CTL

[0202]

Resident

memoryerror

TheSPDvaluesinallRAM

DIMMareincorrector

unreada

ble.

Defec

tiveRAMDIMM

Defec

tiveSPDROM

onRA

MDIMM

Defec

tive12Cbus

1.R

eplacetheRAMDIMM.

CTL

SC

828

Self-diagnosticerror:ROM

[XXXX]:Detailederro

rcode

[0101]

Checksum

error1

Theboo

tmonitorandOS

program

storedintheROM

DIMMis

checked.Ifthecheck

Codigos SP y SC Ricoh 2238c

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Transcript of Codigos SP y SC Ricoh 2238c