The Lifter Fails To Move Up (Pick-Up From The Cassette) - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
39

The lifter fails to move up (pick-up from the cassette).

Cause Step
Cassette
Latch (cassette)
Spring, Lever
Lifter position
sensor
Cassette 1 lifter
motor (M16),
Cassette 2 lifter
motor (M17)
DC controller
PCB
7-128
COPYRIGHT © 2001 CANON INC.
Checks
1 Slide out the cassette, and lift the
holding plate inside the cassette.
Does it move smoothly?
2 Is the movement of the latch
assemblyof the cassette grip nor-
mal?
3 Push up the pick-up roller releasing
lever by a finger. Does the pick-up
roller move down?
4 Is the lifter position sensor normal?
5 Set the tester to the 30VDC range,
and insert the cassette. Does the
voltage between the following
terminals change from about 0 V to
about 24 V?
M16: J2222A-7 (+), 6
M17: J2222A-11 (+), 6
Yes/No
YES
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
NO Check the inside of the
cassette for foreign
matter.
NO Re-install it.
NO Remove the pick-up
assembly, and check the
spring and lever.
NO Check the lever and
wiring; if normal, replace
the sensor.
Check the wiring from the
connector to the motor; if
normal, replace the motor.
NO Replace the DC controller
PCB.