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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-95
CHAPTER 13 TROUBLESHOOTING
35 E215
Step
1
2
3
Action
Connect the connector
securely.
End.
End.
Replace the DC
controller PCB.
Checks
Is the connection of the connectors (J852,
J853) on the light intensity control PCB
secure?
Replace the fluorescent lamp heater. Is
the problem corrected?
Replace the light intensity control PCB. Is
the problem corrected?
Yes/No
NO
YES
YES
NO
Cause
Connector
Fluorescent
lamp heater
Light intensity
control PCB
DC controller
PCB
34 E211
39 E222
Step
1
2
3
Action
Connect the connectors
securely.
End.
End.
Replace the DC
controller PCB.
Checks
Are the connectors (J852, J853) on the
light intensity control PCB connected
securely?
Replace the fluorescent lamp heater. Is
the problem corrected?
Replace the light intensity PCB. Is the
problem corrected?
Yes/No
NO
YES
YES
NO
Cause
Connector
Fluorescent
lamp heater
Light intensity
control PCB
DC controller
PBC
38 E220
37 E219
36 E218
Step
1
2
3
Action
Mount the lamp
properly.
Connect the connectors
securely.
End.
Replace the DC
controller PCB.
Checks
Is the fluorescent lamp mounted
properly?
Are the connectors (J1002, J1003) on the
inverter PCB connected securely?
Replace the fluorescent lamp. Is the
problem corrected?
Yes/No
NO
NO
YES
NO
Cause
Fluorescent
lamp
Connector
Fluorescent
lamp
DC controller
PCB