Pick-Up Fails (Cassette 2) - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
41

Pick-up fails (cassette 2).

Cause Step
Drive belt
(displacement)
Vertical path
roller 1 clutch
(CL11), Vertical
path roller 2
clutch (CL13),
Vertical path
roller 3 clutch
(CL15)
Registration
roller drive
clutch
Gear
Pick-up/separa-
tion/feeding
roller
Drive clutch,
Solenoid
DC controller
PCB
7-130
COPYRIGHT © 2001 CANON INC.
Checks
1 Does the "ADD PAPER" message
remain ON?
2 Slide out and then in the cassette.
Are the sounds of the lifter lowering
and of the lifter motor turning heard?
3 Is the belt for drive attached
properly?
4 Do the vertical rollers 1, 2, and 3
rotate when the Start key is
pressed?
5 Is the paper fed so that its leading
edge reaches the registration roller?
6 Is the drive of the pick-up motor
transmitted to the cassette holder
through the gears?
7 Does the pick-up/separation/feeding
roller rotate?
8 Does the "ADD PAPER" message
remain ON even after the Start key
has been pressed?
After the Start key has been
pressed, does the voltage between
the following terminals on the DC
controller PCB change at the pick-up
timing?
• Cassette 2 Pick-Up Roller Re-
leasing Solenoid (SL10)
J2222A-12 and J2222A-1
• Cassette 2 Pick-Up Roller Drive
Clutch (CL14)
J2222B-3 and J2222A-1
Yes/No
YES
YES
YES
YES
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
See "The 'ADD PAPER'
message fails to turn
OFF."
NO See "The lifter fails to
move up."
NO Re-attach the belt.
NO Check the wiring; if
normal, replace the
clutch.
See "The registration
roller fails to rotate."
NO Check the gears.
• Check the pick-up/
separation/feeding
roller.
• Check the guide plate
for deformation and
foreign objects.
Check the wiring; if
normal, replace the
solenoid and clutch.
NO Replace the DC controller
PCB.