Pick-Up Fails. (Pedestal) - Canon NP6330 Service Manual

2

Pick-up fails. (pedestal)

Cause Step
1
Belt 2
Pedestal right 3
door
4
Vertical path 5
roller 3 drive
clutch (CL1)
Deck vertical
path roller drive
clutch (CL3)
6
7
Pick-up 8
assembly
Deck pick-up 9
clutch (CL2)
Pedestal 10
controller PCB
DC controller
PCB
COPYRIGHT © 1997 CANON INC.
Checks
Does the Add Paper indicator
remain on?
Is the belt for drive attached
correctly?
Is the right door of the pedestal
fully closed?
Is the right door of the pedestal
locking the deck vertical path
roller and the vertical path roller 3
in place?
Open the right door of the
pedestal, and press the Copy
Start key with a screwdriver set in
the door switch. Do the deck
vertical path roller (CL3) and the
vertical path roller 3 (CL1) rotate?
Is the leading edge of the copy
paper as far as the registration
roller assembly?
Is the copy paper as far as the
vertical path roller assembly?
Open the right door of the
pedestal, and press the Copy
Start key with a screwdriver set in
the door switch. Does the
feeding/separation roller rotate?
Set the meter to the 100VDC
range, and connect its probes to
J110-B1 (+) and J110-B2 (-;
CL2D*) on the pedestal controller
PCB. Does the voltage change
from about 24 to 0 V when the
Copy Start key is pressed?
Replace the pedestal controller
PCB. Is the problem corrected?
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO Action
YES See "The Add Paper
indicator fails to turn off."
NO Re-attach the belt.
NO Close the door.
NO Check the locking
spring.
NO Check the wiring from
the pedestal controller
PCB to the clutch; if nor-
mal, replace the clutch.
NO See "The registration
roller fails to rotate."
NO See "Pick-up fails.
(cassette)"
YES Go to step 11.
NO Check the wiring from
the pedestal controller
PCB to the clutch; if
normal, replace the
clutch.
YES
End.
NO
Replace the DC
controller PCB.
11-103