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COPYRIGHT
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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-30 T
4.2 Printer Unit
4.2.1 Pickup fails.
1. General condition
Slide out and then in the cassette. Is the sound of the lifter fall heard?
NO: See “The lifter fails to move up.”
2. Sensor
In service mode (COPIER>DISPLAY>JAM) find the sensor that detected
the jam. Is the sensor lever and the sensor itself normal?
NO: Replace the sensor lever or the sensor.
3. Releasing lever (for pickup/separation roller)
Push in the releasing lever toward the rear. Is the pickup roller released? Do
the feeding roller and the separation roller come into firm contact?
NO: The releasing lever (spring) is displaced or deformed. Correct or
replace it.
4. Pickup/feeding/separation roller
Execute pickup operation. Does the roller rotate?
YES: The movement of paper is faulty because of wear on the pickup/
feeding/separate roller. Replace the roller.
5. Pickup drive assembly
Is there damage/foreign matter on the gear of the pickup roller drive assem-
bly?
YES: Replace the gear. Remove the foreign matter.
6. Pickup motor (M2)
Execute the following in service mode: code 3 of
COPIER>FUNCTION>PART-CHK>MTR; i.e., MTR-ON. Is the motor
control signal present at J1602 of the pickup PCB? (J1602-1: A*, J1602-2:
A, J1602-3: B*, J1602-4: B)
YES: Replace the pickup motor.
7. Pickup PCB, DC controller PCB
Execute the following in service mode: code 3 of
COPIER>FUNCTION>PART-CHK>MTR; i.e., MTR-ON. Is the motor
control signal present at J302A of the DC controller PCB? (J302A-1: 24 V,
J302A-3: GND, J302A-6: IN1, J302A-7: IN2, J302A-8: IN3, J302A-8:
IN4)
YES: Replace the pickup PCB.
NO: Replace the DC controller PCB.