Canon FAX-L1000 User Manual
Page 338
4-86
FAX-L1000 Chapter 4: Maintenance and Service
SCNT board (J2)
,/
TWINS board (J31)
J2
J31
Signal name
Description
44
,
44
+24V
+24V
45
,
45
DGND
Ground
46
,
46
+5V
+5V
47
/
47
+5V
+5V(off while ESS)
48
.
48
DGND
Ground
49
/
49
+3.3V
+3.3V
50
.
50
DGND
Ground
51
.
51
VD15
Data signal
52
.
52
VD14
Data signal
53
.
53
VD13
Data signal
54
.
54
VD12
Data signal
55
.
55
DGND
Ground
56
.
56
VD11
Data signal
57
.
57
VD10
Data signal
58
.
58
VD9
Data signal
59
.
59
VD8
Data signal
60
.
60
DGND
Ground
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
I/O read signal
68
/
68
FIOWR
I/O 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 signal
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
G4 board CI signal
84
.
84
DGND
Ground
85
,
85
OPTION4
Option board detection signal 4
86
/
86
PRESS
ESS printer reset control signal