Canon CP660 Service Manual page 336

CHAPTER 10 TROUBLESHOOTING
13 The color toner cartridge is not set properly.
Cause Step
Cartridge lock- 1
ing lever (print-
er unit)
Connectors 2
Cartridge lock- 3
ing lever sen-
sor
DC controller
PCB
14 The color toner cartridge is empty.
Cause Step
Connectors 1
Color toner 2
level sensor
DC controller
PCB
10-54
COPYRIGHT © 1999 CANON INC.
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Checks
Is the cartridge locking lever of the
printer unit displaced or cracked?
Are the connector J1902 of the car-
tridge locking lever sensor, connec-
tor J207 on the DC controller PCB,
and connectors J675 and J676 on
the sub relay PCB connected
securely?
Replace the cartridge locking lever
sensor. Is the problem corrected?
Checks
Are the connector J621 of the color
toner level sensor, connector J227
on the DC controller PCB, connec-
tors J643 an J647 on the main relay
PCB, and connectors J673 and
J675 on the sub relay PCB connect-
ed securely?
Replace the color toner level sensor.
Is the problem corrected?
Yes/No
YES
NO
YES
NO
Yes/No
YES
YES
NO
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
If the lever is displaced,
position it correctly. If it
is cracked, replace it.
Connect the connec-
tors securely.
Replace the sensor.
Replace the DC con-
troller PCB.
Action
Connect the connec-
tors securely.
Replace the sensor.
Replace the DC con-
troller PCB.