Ecodes E302 - E407 - Canon imageRUNNER ADVANCE C5045 Series Service Manual

Ecode Detail Location Item
Code
E302 0001 05 Title Errorinpaperfaceshading
Description ErrorinshadingRAMaccess
The shading value is out of the specified range.
Remedy 1.CheckthattheLEDoftheScannerUnit(PaperFront)is
lit.
2.ChecktheconnectionbetweenScannerUnit(Paper
Front)andLED,andcheckthattheCableisnotopen-circuit. 
3.ChecktheconnectionbetweenReaderControllerPCB
andScannerUnitPCB(PaperFront),andcheckthatthe
Cableisnotopen-circuit.
4.ChecktheconditionofShadingWhitePlateoftheStream
ReadGlass(PaperFront)(scratches,dust,soil,etc.).
5.CheckifScannerUnit(PaperFront)detectsHPcorrectly.
(Ifitdoesnotdetectcorrectly,theScannerUnitreachesto
theendwhenDFisopened.)
6.ReplacetheScannerUnit(PaperFront).
7.ReplacetheReaderControllerPCB.
E302 0101 05 Title Errorinpaperbackshading
Description ErrorinshadingRAMaccess
The shading value is out of the specified range.
Remedy 1.CheckthattheLEDoftheScannerUnit(PaperBack)is
lit.
2.ChecktheconnectionbetweenScannerUnit(Paper
Back)andLED,andcheckthattheCableisnotopen-circuit.
3.ChecktheconnectionbetweenReaderControllerPCB
andScannerUnitPCB(PaperBack),andcheckthatthe
Cableisnotopen-circuit.
4.ChecktheconditionofShadingWhitePlateofthe
ScannerGlass(PaperBack)(scratches,dust,soil,etc.).
5.CheckifScannerUnit(PaperBack)detectsHPcorrectly.
6.ReplacetheScannerUnit(PaperBack).
7.ReplacetheReaderControllerPCB.
E400 0001 05 Title CommunicationerrorbetweenReaderControllerPCBand
DFUnit
Description CommunicationchecksumerrorbetweenReaderController
PCBandDFUnit
Remedy 1.TurnOFFandthenONthepower.
2.ChecktheconnectionbetweenReaderControllerPCB
andDFDriverPCB(SignalCableandPowerSupplyCable),
andcheckthattheCablesarenotopen-circuit.
3.ReplacetheCablebetweenReaderControllerPCBand
DFDriverPCB.
4.ReplacetheReaderControllerPCB.
5.ReplacetheDFDriverPCB.
7

Description
7 
Ecode Detail Location Item
Code
E400 0002 05 Title CommunicationerrorbetweenReaderControllerPCBand
DFUnit
Description CommunicationerrorbetweenReaderControllerPCBand
DFUnit
Remedy 1.TurnOFFandthenONthepower.
2.ChecktheconnectionbetweenReaderControllerPCB
andDFDriverPCB(SignalCableandPowerSupplyCable),
andcheckthattheCablesarenotopen-circuit.
3.ReplacetheCablebetweenReaderControllerPCBand
DFDriverPCB.
4.ReplacetheReaderControllerPCB.
5.ReplacetheDFDriverPCB.
E401 0001 05 Title Pickuperror
Description PickupUnitisnotreturnedtothehomeposition.
Remedy 1. Check that Pickup Unit Lifter HP Sensor flag moves
smoothly.
2.ChecktheconnectionbetweenDFDriverPCBandPickup
UnitLifterHPSensor,andcheckthattheCableisnotopen-
circuit.
3.ChecktheoperationofPickupMotor.(Settheservice
mode:FEEDER>FUNCTION>MTR-CHK>9.Then,set
FEEDER>FUNCTION>MTR-ON.)
4.ReplacetheDFDriverPCB.
E401 0002 05 Title Pickuperror
Description PickupUnitdoesnotmovefromthehomeposition.
Remedy 1. Check that Pickup Unit Lifter HP Sensor flag moves
smoothly.
2.ChecktheconnectionbetweenDFDriverPCBandPickup
UnitLifterHPSensor,andcheckthattheCableisnotopen-
circuit.
3.ChecktheoperationofPickupMotor.(Settheservice
mode:FEEDER>FUNCTION>MTR-CHK>9.Then,set
FEEDER>FUNCTION>MTR-ON.)
4.ReplacetheDFDriverPCB.
E407 0001 05 Title TrayLifterMotorerror
Description Tray HP Sensor does not detect ON or OFF within specified
time.
Remedy 1.CheckthatafterLifterisliftedfully,itislocatedinthe
correctposition.(ChecktheengagementwiththeGear.)
2.ChecktheconnectionbetweenTrayHPSensorandDF
DriverPCB,andcheckthattheCableisnotopen-circuit.
3.ChecktheoperationofTrayLifterMotor.
4.ReplacetheDFDriverPCB.
5.ReplacetheTrayLifterMotor.
7-16
Description
7-16