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B
This section describes the parallel interface (centronics/IEEE1284-compliant inter-
face).
Shape of the connector
The printer is installed with the IEEE 1284-B type of interface. The shape of the
connector is as follows:
Pin arrangement
The pin arrangement of the various signals when bidirectional is OFF is as follows:
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
232
Connectors and Allocation
Signal
18
36
Signal name
nStrobe
Data1
Data2
Data3
Data4
Data5
Data6
Data7
Data8
nAck
Busy
PError
Select
nAutoFd
(RESERVED)
Logic GND
Chassis Gnd
Peripheral Logic High
• Looking from the printer, I is the input signal, O is the output signal, - is not a signal.
• When bidirectional is ON, the connection adheres to the IEEE 1284-B connector
I/O
Pin No.
I
19
Signal Ground
I
20
Signal Ground
I
21
Signal Ground
I
22
Signal Ground
I
23
Signal Ground
I
24
Signal Ground
I
25
Signal Ground
I
26
Signal Ground
I
27
Signal Ground
O
28
Signal Ground
O
29
Signal Ground
O
30
Signal Ground
O
31
nInit
I
32
nFault
-
33
(RESERVED)
-
34
(RESERVED)
-
35
(RESERVED)
O
36
nSelectIn
1
19
Signal name
I/O
-
-
-
-
-
-
-
-
-
-
-
-
I
O
-
-
-
I
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