FCU
Point-to-Point Diagram
Model: IF2
AC Line
DC Line
Signal Direction
Active High
Active Low
Voltage
Symbol Table
▲
▼
[ ]
Issued on: March 31, 1997
Revision 1.0
Subject to change
PCIF
CN1
5
1
2
345
6
CN4
1
2
345
6
TXD
COM2
SCLK
CTS
RTS
RXD
12
3
4
5
6
7
8
9
1
0
CN5
VIDEO
COM3
+24V
CLOCK
READ
DLC
SP
+12V
+5V
COM2
CIS
PSU
CN9
COM1
COM3
COM3
+24V
+24V
COM2
-12V
Not used
+5V
12
3
4
5
6
7
8
9
CN2
12
3
4
5
6
7
8
9
CN6
/SB1ON [
5]
SID
/RESET
/SB2ON [
5]
SOD
+5V
COM1
SCK
12
3
4
56
7
8
OPU
CN2
8
7
6
5
432
1
CN8
1
2
34
56
7
TX Motor
+24V
Not used
TXA
+24V
/TXB
TXB
/TXA
CN1
4
Speaker
COM1
Speaker Out
NCU
CN7
CN1
Not used
Not used
OFCHK2 [
5]
NCURX
OFCHK1 [
5]
CSEL1 [
5]
NCUTX
RSEL [
5]
CSEL0 [
5]
DOSW [
5]
TONE
PDIAL [
5]
EXTDI [
5]
COM2
/FRING
RY1ON [
5]
COM3
COM1
+24V
+5V
1
2
3
4
5
6
7
8
9
1
01
1
1
21
3
1
41
5
1
6
1
71
8
1
92
0
19
20
17
18
15
16
13
14
11
12
9
1
0
7
8
5
6
3
4
1
2
CN3
31 32
1
2
3
4
5
6
7
8
9
1
01
1
1
21
3
1
41
51
6
1
71
8
1
92
0
2
12
22
3
2
4
2
5
2
62
7
2
82
9
3
0
CN4
31 32
1
2
3
4
5
6
7
8
9
1
0
1
11
2
1
31
41
51
6
1
7
1
81
92
0
2
12
2
2
3
2
4
2
52
62
7
2
82
9
3
0
CN5
1
234
5
6
A
D
C
+24V
+24V
B
12
CN1
1
12
COM3
+24V
CN5
12
3
OUT1 (+24V or COM3)
OUT1 (+24V or COM3)
OUT2 (COM3 or +24V)
Print Head
Carriage
Maintenance
Motor
RX Motor
Carriage Drive
Motor
COM1
+5V
NZ53
NZ37
NZ41
NZ43
NZ47
NZ49
NZ45
NZ39
NZ33
NZ51
NZ35
NZ9
NZ11
NZ13
NZ17
NZ19
NZ23
NZ25
NZ29
NZ31
NZ7
CHY
CHX
NZ27
NZ21
NZ15
H_C1
NZ1
NZ3
NZ5
H_C3
NZ55
NZ28
NZ12
NZ10
NZ8
NZ6
NZ4
NZ2
H_C2
NZ16
NZ22
NZ14
NZ42
NZ38
NZ36
NZ32
NZ30
NZ26
NZ24
NZ20
NZ18
NZ44
H_C4
NZ56
NZ54
NZ52
NZ34
NZ40
NZ46
NZ50
NZ48
CN1
CN2
+5V
ABUSY
APE
ASLCT
AACK
BERROR
P-STROBE
P-INIT
_AUTOFD
_SLCTIN
CD5
CD6
CD7
PRT/FAX
COM1
CD4
CD0
CD1
CD2
CD3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A1
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
B
1
0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A1
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
B
1
0
C
N
1
-
C
e
n
tr
o
n
ics In
te
rf
ace
C
N
3
-
R
S
232C
CN1
0
COM1
/SB4ON
12
SB4
(Paper End Sensor)
CN1
12
3
4
SB2
(Scan Line Sensor)
SB1
(Document Sensor)
COM1
/SB2ON [
5]
COM1
/SB1ON [
5]
CN1 - Centronics Interface
19
STROBE
COM1
1
20
DATA0
COM1
2
21
DATA1
COM1
3
22
DATA2
COM1
4
23
DATA3
COM1
5
24
DATA4
COM1
6
25
DATA5
COM1
7
26
DATA6
COM1
8
27
DATA7
COM1
9
28
ACK
COM1
10
29
BUSY
COM1
11
30
PE
COM1
12
31
SLCT
INIT
13
32
AUTOFEED
ERROR
14
33
Not used
Not used
15
34
COM1
Not used
16
35
Frame Ground
Not used
17
36
+5V
SLCTIN
18
CN3 - RS232C Interface (DB9)
6
Not used
Not used
1
7
TXD
CTS
2
8
RXD
RTS
3
9
Not used
Not used
4
COM2
5
ACH
ACN
GND
CN1
HN