Canon CP660 Service Manual page 346

CHAPTER 10 TROUBLESHOOTING
4 Delivery Assembly
Cause Step
Face-up flap- 1
per
Face-up/face- 2
down delivery
roller
3
Face-down tray 4
delivery paper
sensor (PS11)
5-V line (face- 5
down tray
delivery paper
sensor PS11)
Face-down tray 6
delivery paper
sensor (PS11)
Face-down tray 7
full paper sen-
sor (PS10)
Face-down tray 8
full paper sen-
sor (PS10)
Duplexing flap- 9
per
DC controller
PCB
10-64
COPYRIGHT © 1999 CANON INC.
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Checks
Is the face-up flapper soiled,
scratched, or coated with toner?
Is the face-up/face-down delivery
roller worn?
Does the face-up/face-down delivery
roller rotate smoothly?
Is the face-down tray delivery paper
sensor lever damaged or deformed?
Is the sensor lever displaced?
Are the connectors J220 on the DC
controller PCB, connector J10 of the
face-down tray delivery paper sen-
sor, relay connector J12, and con-
nectors J705 and J706 on the devel-
oping rotary CB connected secure-
ly?
Replace the face-down tray delivery
sensor. Is the problem corrected?
Is the face-down tray full paper sen-
sor lever damaged or deformed? Is
the sensor lever displaced?
Replace the face-down tray full
paper sensor. Is the problem cor-
rected?
Does the duplexing flapper move
smoothly? Is it damaged?
Yes/No
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Clean the flapper
Replace the worn
roller.
Check the gear for
wear and deformation.
Position the sensor
lever correctly.
Replace the damaged
or deformed lever.
Position the sensor
lever correctly.
Connect the connec-
tors securely.
Replace the sensor.
Replace the damaged
or deformed lever.
Position the sensor
lever correctly.
Replace the sensor.
Position the flapper
correctly. If damaged,
replace it.
Replace the DC con-
troller PCB.