Canon LBP-1260, Service Manual

Page: 180 / 218

M-
11
indicator does not light properly.
Possible cause Check Result Procedure
EP-E cartridge 1
2
power supply
contacts)
CHAPTER 6
Shake the cartridge following the
YES
The toner IS
instructions, and load it in to the Prepare a new cartridge.
printer. Does the message
Is the toner sensor contact the
YES Clean the high-voltage
developing contact of the
high-voltage contacts
DC controller 3
Turn the printer OFF, connect the
YES Replace the DC controller
printer driver tester, and turn the
power back ON. Does the TONER
SENSOR LED of the tester light for a
High-voltage
while after the power switch Is turned NO
Replace the high-voltage
power supply ON. power supply PCB.
M 12 Faulty Pick-up Motor
Possible cause Step
Connecters
Sensor PCB
2
DC controller
Check Result Procedure
Are the connectors from
connector 5201 on the DC controller
to connector the sensor
making contact?
Reattach the connectors
the connectors 5702 on NO Replace the sensor
the sensor PCB properly aligned
About one second after switch is YES the motor.
turned ON, do the voltages between
the pairs of the
pick-up motor driver change from
. (PA)
l
and