E226; E240; E241; E243 - Canon ImageRunner 600 Service Manual

CHAPTER 13 TROUBLESHOOTING
40

E226

Cause Step
Foreign matter
Connect
Scanner cooling
fan (FM3)
DC controller
PCB
41

E240

Cause Step
DC controller
PCB
42

E241

Cause Step
Original
orientation PCB
Original
orientation
detecting circuit
Image processor
PCB
43

E243

Cause Step
DC controller
PCB
Control panel
PCB
13-96
COPYRIGHT © 1999 CANON INC.
1 Is there foreign matter that hinders the
rotation of the scanner cooling fan?
2 Is the connector (J504) on the DC
controller PCB connected securely?
3 Replace the scanner cooling fan (FM3). Is
the problem corrected?
1 Turn off and on the power switch. Is the
problem corrected?
1 Is the original orientation detection PCB
mounted correctly?
2 Replace the original orientation detection
PCB. Is the problem corrected?
1 Turn off and then on the power switch. Is
the problem corrected?
2 Replace the control panel PCB. Is the
problem corrected?
Checks
Checks
Checks
Checks
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Yes/No Action
YES Remove the foreign
matter.
NO Connect the connector
securely.
NO End.
YES Replace the DC
controller PCB.
Yes/No Action
YES End.
NO Replace the DC
controller PCB.
Yes/No Action
NO Mount the PCB
correctly.
YES End.
NO Replace the image
processor PCB.
Yes/No Action
YES End.
NO Replace the DC
controller PCB.
YES End.