COPYRIGHT © 2000 CANON INC.
2000 2000 2000 2000
CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-42 T
Cassette latch
2) Is the movement of the cassette open button assembly normal?
NO:
Mount it correctly.
Spring, Lever
3) Move up the pickup roller releasing lever with your finger. Does the
pickup roller move down?
NO:
Remove the pickup assembly, and check the spring and the lever.
Cassette 3 open/closed sensor (PS15), Cassette 4 open/closed sensor (PS16)
4) When the deck is inserted, is the voltage of the following connectors
on the DC controller PCB about 5 V?
Sensor
+
-
Cassette 3 open/closed sensor
J110-A11
J110-A10
Cassette 4 open/closed sensor
J110-B11
J110-B10
NO:
Check the sensor flag and the wiring; if normal, replace the sensor.
Cassette 3 lifter motor (M20), Cassette 4 lifter motor (M21), DC controller PCB
5) Turn on the main power switch, and set the meter range to 30 VDC;
then, connect the - probe of the meter to GND and the + probe to
the following connectors from the DC controller PCB. When the
cassette is inserted, does the voltage change from about 0 to 24 V?
Motor
+
-
Cassette 3 lifter motor
J105-11
GND
Cassette 4 lifter motor
J105-10
GND
YES: Check the wiring and the motor drive PCB; if normal, replace the
motor.
NO:
Replace the DC controller PCB.
4.2.6 Pickup fails (manual feed)
Wiring
1) Is the connector (to the machine) of the manual pickup tray assem-
bly connected correctly?
NO:
Connect the connector correctly.
General condition
2) Is the leading edge of paper as far as the registration roller?
YES: See “The registration roller fails to rotate.”
Feeding roller, Separation roller
3) Is the orientation of the feeding roller and the separation roller cor-
rect?
NO:
Mount the roller correctly.
Manual feed paper sensor (PS23)
4) When paper is placed on the manual feed pickup tray, does bit 0 of
COPIER>I/O>DC-CON>IO-P01 change from ‘1’ to ‘0’?
NO:
Check the wiring and the sensor flag; if normal, replace the sensor.
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