Canon multipass c3000 Service Manual (en)

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8. WIRING DIAGRAM
Refer to 
"CIRCUIT DIAGRAM"
(supplied separately) for details of the connector signals.
8.2 Connector Name and Signal Descriptions
on following page, contains a brief description of
the input/output signals.
Refer to this description when carrying out troubleshooting.
8.1 Wiring Diagram
Chapter 3: Maintenance & Service
3-67
SCNT board
1- - - - - - - 
-19
1- - - - - - - 
-2
3
1- - - - - - - - - - -30
1- - - - - - - - - - - 
-3
6
1- - - -11
1- -5
1- - - - - - - - - - 
-3
0
1- -
5
J17
J18
J4
J2
1-2
1- -4
M
Speaker
J10
J2
1- -4
M
Document
feed motor
J9
M
1- - - - - - - - - - - 
-3
2
1- -
5
1- -
4
1- - - -
7
1- - - - - - - 
-19
J1
PS2
PS1
J6
1- - - - - - - 
-2
3
J5
J4
J8
J3
J1
J3
J16
1- - - -10
JCS1
JNCU1
JCNTR1
J14
J15
to PCNT
    (J6)
Flat
cable
to PCNT
     (J5)
Flat
cable
HOST
(P/C)
Document edge
sensor
Document
sensor
Operation panel unit
Centronics
cable
Flat
cable
Flat
cable
Extension
phone
Telephone
line
Grourding
wire
Flat
cable
NCU
Board
to SCNT
   (J15)
+24V
to SCNT
   (J14)
+5V
Power
supply
unit
AC120V
Ink detect
sensor
Paper feed
motor
paper
edge
sensor
pick up
roller
sensor
Home
position
sensor
BJ
Cartridge
Carriage
ribbon
cable
Carriage
motor
PCNT board
Contact sensor
+24V
+5V
J21
Figure 3-40 Wiring Diagram