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