Canon FAX-L1000 User Manual
Page 339
4-87
FAX-L1000 Chapter 4: Maintenance and Service
SCNT board (J2)
,/
TWINS board (J31)
J2
J31
Signal name
Description
87
,
87
+5V
+5V
88
,
88
OPTION3
Option board detection signal 3
89
,
89
PCLK
Printer panel data transfer clock
90
,
90
CSIRX
Printer panel data receive signal
91
,
91
+12V
+12V
92
/
92
AGND
Analog ground
93
,
93
+24V
+24V
94
,
94
+24V
+24V
95
.
95
DGND
Ground
96
,
96
+5V
+5V
97
/
97
+5V
+5V(off while ESS)
98
.
98
DGND
Ground
99
/
99
+3.3V
+3.3V
100 /
100
PWCTL
Power control signal
SCNT board (J3)
,/
Contact sensor
Contact
J3
sensor
Signal name
Description
1
,
1
VOUT
Scanner video signal
2
.
2
AGND
Analog ground
3
/
3
+5V
+5V(Contact sensor)
4
,
4
+ref
Reference
5
.
5
DGND
Ground
6
/
6
SP
Shift pulse
7
/
7
FGND
Frame ground
8
/
8
MACLK
Contact sensor drive clock
9
/
9
LEDON
LED drive control
10
/
10
+24V
+24V
SCNT board (J4)
,/
Document feed motor
J4
Motor
Signal name
Description
1
/
1
PHA
Phase A
2
/
2
PHB
Phase B
3
.
3
Commongnd
Common ground
4
.
4
Commongnd
Common ground
5
/
5
PHXA
Phase
–
A
6
/
6
PHXB
Phase
–
B