E804; E805; E820 - Canon GP605 Service Manual

CHAPTER 13 TROUBLESHOOTING
56

E804

Cause Step
Foreign matter
Connector
Power cooling
fan 1/2 (FM11/
FM12)
DC controller
PCB
57

E805

Cause Step
Foreign matter
Connector
Fixing heat
discharge fan
(FM2)
DC controller
PCB
58

E820

Cause Step
Foreign matter
Connector
Drum fan (FM8)
DC controller
PCB
13-100
COPYRIGHT © 1999 CANON INC.
1 Is there foreign matter that hinders the
rotation of the power supply cooling fan
(1/2)?
2 Is the connector (J505) on the DC
controller PCB connected securely?
3 Replace the power cooling fan (1/2). Is
the problem corrected?
1 Is there foreign matter that hinders the
rotation of the fixing heat discharge fan?
2 Is the connector (J503) on the DC
controller PCB connected securely?
3 Replace the fixing heat discharge fan
(FM2). Is the problem corrected?
1 Is there foreign matter that hinders the
rotation of the drum fan?
2 Is the connector (J512) of the DC
controller PBC connected securely?
3 Replace the drum fan (FM8). Is the
problem corrected?
Checks
Checks
Checks
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Yes/No Action
NO Remove the foreign
matter.
YES Connect the connector
securely.
NO End.
YES Replace the DC
controller PCB.
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 Remove the foreign
matter.
NO Connect the connector
securely.
NO End.
YES Replace the DC
controller PCB.