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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. 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, - is not a signal.
• When bidirectional is ON, the connection adheres to the IEEE 1284-B connector
B Connectors and Allocation
Signal
1
19
18
36