E251; E302; E320; E601 - Canon ImageRunner 600 Service Manual

44

E251

Cause Step
Foreign matter
Connector
Inverter cooling
fan (FM7)
DC controller
PCB
45

E302

46

E320

Cause Step
Connector
CCD PCB
Image processor
PCB
47

E601

Cause Step
Connector
Wiring
Page memory
PCB
Image server
(HD)
Image processor
PCB
MFC PCB
COPYRIGHT © 1999 CANON INC.
1 Is there foreign matter that hinders the
rotation of the inverter cooling fan?
2 Is the connector (J507) on the DC
controller PCB connected securely?
3 Replace the inverter cooling fan (FM7). Is
the problem corrected?
1 Is the connection of the connectors of the
CCD PCB (J1502) and the image
processor PCB (J1105) secure?
2 Replace the CCD PCB. Is the problem
corrected?
1 Is the connection of the connectors of the
page memory PCB and the image
processor PCB (J1110) secure?
2 Are the connection and the cable between
the MFC PCB (J1402, J1403) and the
image processor PCB (J1102, J1103)
normal?
3 Replace the page memory PCB. Is the
problem corrected?
4 Replace the image server (HD). Is the
problem corrected?
5 Replace the image processor PCB. Is the
problem corrected?
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CHAPTER 13 TROUBLESHOOTING
Checks
Checks
Checks
Yes/No Action
YES Remove the foreign
matter.
NO Connect the connector
securely.
NO End.
YES Replace the DC
controller PCB.
Yes/No Action
NO Connect the connectors
securely.
YES End.
NO Replace the image
processor PCB.
Yes/No Action
NO Connect the connectors
securely.
NO Correct the problem.
YES End.
YES End.
YES End.
NO Replace the MFC PCB.
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