Canon imageRUNNER ADVANCE C5051 Series Service Manual page 604

E■ Detail■ Location Items
code code
E074 0003 05 Title Error■in■Sensor
Description Both■Primary■Transfer■Detachment■Sensor■1■and■2■
(PS22,PS23)■are■detected■at■the■time■of■engagement/
disengagement■operation
Remedy 1.■Check■connection■of■the■connector■with■the■ITB■Unit.■
2.■Replace■the■Primary■Transfer■Detachment■Sensor■1■and■
2■(PS22,PS23)■
E075 0002 05 Title Timeout■error■in■searching■ITB■steering■HP
Description Unable■to■detect■change■(Low■->■High■or■High■->■Low)■of■
ITB■Steering■Sensor■Signal■although■10■sec■has■passed.
Remedy 1.■Check■if■the■ITB■Connector■is■physically■removed.■
2.■Check■if■the■cable■of■the■ITB■Unit■is■open■circuit■(including■
the■inside■of■the■ITB■Unit).■
3.■Replace■the■ITB■Displacement■Control■Motor■(M14)■and■
its■Drive■Assembly■(the■gear,■Drive■Shaft,■Mounting■Plate,■
etc.).■
4.■Replace■the■DC■Controller■PCB■(UN1).
E075 0003 05 Title Error■in■full■displacement■of■ITB■(rear)
Description ITB■Displacement■Sensor■detects■full■displacement■position■
at■the■rear.
Remedy 1.■Correct■the■displacement■of■the■ITB.■(Procedures■are■
shown■below.)■
2.■Replace■the■ITB.■
3.■Replace■the■Secondary■Transfer■Roller.■
■
a)■Place■paper■and■remove■the■ITB■Unit.■
b)■Lift■the■front■left■side■up■(where■the■Cleaner■and■Motor■
are■located)■and■hold■the■ITB■Unit■as■if■to■twist■it.■
c)■Turn■the■Motor■counterclockwise■as■if■to■make■2■to■3■
rounds■of■the■ITB.■
d)■As■the■ITB■is■getting■closer■to■the■center,■align■the■edge■of■
the■ITB■with■the■marking■line.■
■
NOTE:■
This■symptom■is■likely■to■occur■if■the■machine■is■not■installed■
on■the■level■(the■left-rear■is■higher).■Check■if■the■machine■is■
installed■on■the■level.■
If■this■symptom■still■occurs,■perform■steps■2■and■3.
7
Error■Code■>■Error■Code■>■Error■Code■Details
Description
7 Error■Code■>■Error■Code■>■Error■Code■Details
E■ Detail■ Location Items
code code
E075 0004 05 Title Error■in■combination■of■ITB■Displacement■Sensors
Description Failed■to■determine■position■due■to■combination■of■the■ITB■
Displacement■Sensors■(PS25■-■PS28)■(faulty■sensor)
Remedy 1.■Check■if■the■ITB■Connector■is■physically■removed.■
2.■Check■if■the■cable■of■the■ITB■Unit■is■open■circuit■(including■
the■inside■of■the■ITB■Unit).■
3.■Replace■the■ITB■Displacement■Control■Motor■(M14)■and■
its■Drive■Assembly■(the■gear,■Drive■Shaft,■Mounting■Plate,■
etc.).■
4.■Replace■the■DC■Controller■PCB■(UN1).
E075 0005 05 Title Error/failure■in■searching■ITB■steering■HP
Description Failed■to■detect■correct■HP■position■although■the■change■
(Low■->■High■or■High■->■Low)■of■the■ITB■Steering■Sensor■
Signal■can■be■detected■(execute■retry■twice)
Remedy 1.■Check■if■the■ITB■Connector■is■physically■removed.■
2.■Check■if■the■cable■of■the■ITB■Unit■is■open■circuit■(including■
the■inside■of■the■ITB■Unit).■
3.■Replace■the■ITB■Displacement■Control■Motor■(M14)■and■
its■Drive■Assembly■(the■gear,■Drive■Shaft,■Mounting■Plate,■
etc.).■
4.■Replace■the■DC■Controller■PCB■(UN1).
E075 0103 05 Title Error■in■full■displacement■of■ITB■(front)
Description ITB■Displacement■Sensor■detects■full■displacement■position■
at■the■front.
Remedy 1.■Correct■the■displacement■of■the■ITB.■(Procedures■are■
shown■below.)■
2.■Replace■the■ITB.■
3.■Replace■the■Secondary■Transfer■Roller.■
■
a)■Place■paper■and■remove■the■ITB■Unit.■
b)■Lift■the■rear■left■side■up■(where■the■cleaner■is■located;■
opposite■to■the■motor)■and■hold■the■ITB■Unit■as■if■to■twist■it.■
c)■Turn■the■Motor■counterclockwise■as■if■to■make■2■to■3■
rounds■of■the■ITB.■
d)■As■the■ITB■is■getting■closer■to■the■center,■align■the■edge■of■
the■ITB■with■the■marking■line.■
■
NOTE:■
This■symptom■is■likely■to■occur■if■the■machine■is■not■installed■
on■the■level■(the■left-front■is■higher).■Check■if■the■machine■is■
installed■on■the■level.■
If■this■symptom■still■occurs,■perform■steps■2■and■3.
7-30
Description
7-30