Canon FAX-L1000 User Manual
Page 352
4-100
FAX-L1000 Chapter 4: Maintenance and Service
TWINS board (J31)
,/
SCNT board (J2)
J31
J2
Signal name
Description
61
.
61
VD3
Data signal
62
.
62
VD2
Data signal
63
.
63
VD1
Data signal
64
.
64
VD0
Data signal
65
/
65
+5V
+5V
66
/
66
ESSACT
ESSACT
67
,
67
FIORD
IO read signal
68
,
68
FIOWR
IO write signal
69
.
69
DGND
Ground
70
,
70
ICS7
Chip select signal 7
71
,
71
VTC
V terminal count
72
,
72
VACK1
VACK1
73
/
73
VREQ1
VREQ1
74
,
74
ICS5
Chip select signal 5
75
/
75
OPTSPK
Option board speaker signal
76
/
76
BD
Beam detection siganl
77
/
77
RDY
Ready signal
78
/
78
SBSY
Status busy signal
79
/
79
+3.3V
+3.3V(off while ESS)
80
,
80
PRNT
Print signal
81
,
81
CPRDY
Controller power ready signal
82
,
82
CMD
Command signal
83
/
83
G4CI
G4board CI signal
84
.
84
DGND
Ground
85
/
85
OPTION4
Option board detection signal 4
86
,
86
PRESS
ESS printer reset control signal
87
/
87
+5V
+5V
88
/
88
OPTION3
Option baord 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
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