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Appendix
B.1
Parallel Interface
This section describes the parallel interface (centronics/IEEE1284-C-compliant interface).
Shape of the connector
The printer is installed with the IEEE1284-C 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.
Signal Name
I/O
Pin No.
Signal Name
I/O
1
nStrobe
I
19
Signal Ground
-
2
Data1
I
20
Signal Ground
-
3
Data2
I
21
Signal Ground
-
4
Data3
I
22
Signal Ground
-
5
Data4
I
23
Signal Ground
-
6
Data5
I
24
Signal Ground
-
7
Data6
I
25
Signal Ground
-
8
Data7
I
26
Signal Ground
-
9
Data8
I
27
Signal Ground
-
10
nAck
O
28
Signal Ground
-
11
Busy
O
29
Signal Ground
-
12
PError
O
30
Signal Ground
-
13
Select
O
31
nInit
I
14
nAutoFd
I
32
nFault
O
15
(RESERVED)
-
33
(RESERVED)
-
16
Logic GND
-
34
(RESERVED)
-
17
Chassis Gnd
-
35
(RESERVED)
-
18
Peripheral Logic High
O
36
nSelectIn
I
• Looking from the printer, "I" is the input signal, "O" is the output signal, and "-" is
not a signal.
• When bidirectional is ON, the connection adheres to the IEEE1284-C connector
standard.
B
Connector and Allocation
Signals
Summary of Contents for Document Centre 400 series
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