Canon IR3300, IR2800, IR2200 manual E051

	CHAPTER 6 SELF DIAGNOSIS
E051
0000	At start-up, home position is not detected when the horizontal registration
	assembly is moved 100 mm in the direction of home position.
Main cause	The horizontal home position sensor is faulty. The horizontal registration
	motor is faulty. The DC controller PCB is faulty.
Action
1. Connector
	Are the connectors of the horizontal registration home position sensor and
	the horizontal registration motor connected?

a.DC controller PCB (J304) <-> relay connector <-> horizontal registra- tion home position sensor

b.DC controller PCB (J304) <-> relay connector <-> horizontal registra- tion motor

NO: Connect the connectors.

2.Sensor lever (damage and interference), Sensor

Is abnormal noise heard from the horizontal registration assembly in keep- ing with the motor rotation?

YES: a. The horizontal registration assembly is out of place because of damage to the sensor lever. Replace the sensor lever.

b. The horizontal registration assembly malfunctions because of the presence of foreign matter. Remove the foreign matter.

c. The sensor is faulty and cannot detect home position. Replace the sensor.

3. Horizontal registration motor, DC controller PCB

Is the horizontal registration motor control signal generated by the DC con- troller PCB?

J304-1/2: 24 V, J304-3/4/5/6: motor excitation signal

YES: The horizontal registration motor is faulty. Replace the motor.

NO: Replace the DC controller PCB.

COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001 6-11 T