Ecodes E020 - E021 - Canon imageRUNNER ADVANCE C5045 Series Service Manual

Ecode Detail Location Item
Code
E020 0X30 05 Title ErrorinDevelopingAssembly
Description TheaverageofATRreferencevalueismorethanthe
specified value at the time of ATR initialization.
Remedy 1.Checkshort-circuitoftheATRSensorHarness.
2.ReplacetheDevelopingAssembly.
E020 0X31 05 Title ErrorinDevelopingAssembly
Description TheaverageofATRreferencevalueislessthanthe
specified value at the time of ATR initialization.
Remedy 1.CheckiftheATRSensor(TS5,TS6,TS7,TS8)Connector
isproperlyconnected.
2.Checkshort-circuitoftheATRSensorHarness.
3.ReplacetheDevelopingAssembly.
E020 0X40 05 Title ErrorinDevelopingAssembly
Description UnabletoadjustthecontrolvoltageatthetimeofATR
initialization: less than the specified value (3.2V).
Remedy 1.CheckiftheATRSensor(TS5,TS6,TS7,TS8)Connector
isproperlyconnected.
2.Checkshort-circuitoftheATRSensorHarness.
3.ReplacetheDevelopingAssembly.
E020 0X41 05 Title ErrorinDevelopingAssembly
Description UnabletoadjustthecontrolvoltageatthetimeofATR
initialization: exceeds the specified value (6.8V).
Remedy 1.Checkshort-circuitoftheATRSensorHarness.
2.ReplacetheDevelopingAssembly.
E020 0X90 05 Title ErrorinDevelopingAssembly
Description ErrorinsignallowerlimitwithATRsamplingdetectedvalue
Remedy 1.CheckiftheATRSensorConnectorisdisconnected.
2.Checkshort-circuitoftheATRSensorHarness.
3.ReplacetheDevelopingAssembly.
E020 0X91 05 Title ErrorinDevelopingAssembly
Description ErrorinsignalupperlimitwithATRsamplingdetectedvalue
Remedy 1.ChecktonerleakfromtheTonerBufferUnit.
2.ChecktonerlevelintheTonerContainer.
3.ReplacetheDevelopingAssembly.
4.Checkshort-circuitoftheharnesswiththeTonerBuffer
SupplySensor(PS1,PS2,PS3,PS4).
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Description
7 
Ecode Detail Location Item
Code
E020 0XB0 05 Title ErrorinDevelopingAssembly
Description ErrorinupperlimitwithT/Dratioatthetimeofprint
sequence
(LargeamountoftonerintheDevelopingAssembly)
Remedy Gothroughthefollowing:DISPLAY>DENS>DENS-X
(YMCK);ifDENS-X(YMCK)isslightlyhigherthan5.0%,
output10sheetsofsolidimagewiththecolorcausingthe
error(toreduceT/Dratio).SeetheServiceModeagainto
seeiftheproblemisimproved.Remedyiscompleteifit's
improved.Ifnot,performthefollowingremedywork.

1.CheckiftheATRSensor(TS5,TS,6,TS7,TS8)Connector
isdisconnected.
2.Checkshort-circuitoftheATRSensorHarness.
3.ReplacetheDevelopingAssembly.
E020 0XB1 05 Title ErrorinDevelopingAssembly
Description ErrorinlowerlimitwithT/Dratioatthetimeofprint
sequence
(SmallamountoftonerintheDevelopingAssembly)
Remedy 1.Output10sheetsofwhite(blank)sheets(toincreaseT/D
ratio).
2.ChecktonerleakfromtheTonerBufferUnit.
3.ChecktonerlevelintheTonerContainer.
4.ReplacetheDevelopingAssembly.
5.Checkshort-circuitoftheharnessoftheTonersupply
sensor(PS1,PS2,PS3,PS4).
E021 0X00 05 Title ErrorinDevelopingMotor*DetailedCodeXindicatescolor;
1=Y,2=M,3=C,4=Bk
Description The motor failed to rotate at the specified speed.
Remedy 1.ChecktheloadappliedtotheDevelopingAssembly(turn
thegearwithyourhandtocheckiftheloadisappropriate.If
theloadistoomuch,replacetheDevelopingAssembly).
2.SelectthefollowinginServiceMode:COPIER>
FUNCTION>PART-CHK>MTR;andturnM5,M6,M7and
M8tocheckthedriveoftheDevelopingMotor.Ifit'snot
rotatingproperly,checktheharness(toseeiftheharnessis
caught,disconnectedorphysicallyremoved).
3.(Iftheabovemeasuresdonotsolvetheproblem,)replace
theDrumDriverPCB(UN4).
7-7
Description
7-7