E102; E110; E111 - Canon ImageRunner 600 Service Manual

28

E102

Cause Step
Relay PCB
Laser unit
29

E110

Cause Step
Connector
Connector
Laser scanner
motor (M4)
DC controller
PCB
30

E111

Cause Step
Foreign matter
Connector
Laser scanner
fan (FM14)
DC controller
PCB
COPYRIGHT © 1999 CANON INC.
1 Is the voltage of the following terminals
on the relay PCB as indicated?
J1714-1: 5 V
J1714-3: 8 V
J1714-5: -8 V
2 Is the connection from the relay PCB to
the laser driver PCB normal?
1 Is the connector (J762) on the laser
scanner motor driver PCB connected
securely?
2 Is the connector (J503) on the DC
controller PCB connected securely?
3 Replace the laser scanner motor (M4). Is
the problem corrected?
1 Is there foreign matter that hinders the
rotation of the laser scanner fan?
2 Is the connector (J504) on the DC
controller PCB connected correctly?
3 Replace the laser scanner fan (FM14). 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
NO Check the connection
from the DC power
supply PCB to the
relay PCB; if normal,
replace the relay PCB.
YES Replace the laser unit.
NO Correct the connection.
Yes/No Action
NO Connect the connector
securely.
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.
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