Canon MultiPASS C50 Service Manual page 194

Part 1: Facsimile
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
BJ
Cartridge
Home
position
sensor
to PCNT Flat
+24V
(J6) cable
to PCNT Flat
+5V
(J5) cable
HOST
Centronics
(P/C) cable
1- - - - - - - - - - -30
Carriage Document
motor Speaker feed motor
M M
1- -4 1-2 1- -4
J2 J10 J9
Carriage
PCNT board
ribbon
cable
PS1
PS2
paper
pick up
edge
roller
sensor
sensor
Figure 3-41 Wiring Diagram
Color
Operation
contact sensor
panel unit
J1
Flat
1- - - -11
cable
Flat
cable
1- - - -12
JCS1
1- - - -11
JOPCNT1
SCNT board
1- - - -11
JEU1
JNCU1
JLINE1 JTEL1
Telephone Extension
line phone
Flat
cable
NCU
Board
to SCNT
(JPCNT2)
to SCNT
(JPCNT1)
J29
1-2
1-2
J30
M
Paper feed
motor
3-76
Document edge
sensor board
Document
sensor board
Grourding
wire
+24V
+5V
Power
supply
CN301 unit
AC230V
Ink detect
sensor