E261 (Zero Cross Error); E310 (The Scanning Lamp Is Poorly Adjusted.) - Canon GP215 Service Handbook

20

E261 (zero cross error)

Cause Step
1
Connector 2
(poor contact)
DC controller 3
PCB
Composite
power supply
PCB
21

E310 (The scanning lamp is poorly adjusted.)

Cause Step
1
Connector 2
(poor contact)
Intensity sensor 3
(soiled)
Intensity sensor 4
DC controller
PCB
Checks
Turn OFF/ON the main power
supply. Is the problem correct-
ed?
Is the connection of the con-
nector J102 on the DC con-
troller PCB and the connector
J209 on the composite power
supply PCB good?
Replace the DC controller
PCB. Is the problem corrected?
Checks
Press the Copy Start key. Does
the scanning lamp turn ON?
Is the wiring from the connector
J112 on the DC controller PCB
to the scanning lamp intensity
sensor normal?
Clean the photo face of the
intensity sensor. Is the problem
corrected?
Replace the intensity sensor. Is
the problem corrected?
TROUBLESHOOTING MALFUNCTIONS
Yes/No
YES End.
NO Connect the connector proper-
ly.
YES End.
NO Replace the composite power
supply PCB.
Yes/No
NO See "The scanning lamp fails
to turn ON."
NO Correct it.
YES End.
YES End.
NO Replace the DC controller
Action
Action
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