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The bidirectional parallel interface is based on the IEEE P1284-C standard.
If your computer has a bidirectional parallel port, the printer driver and printer can
take advantage of faster data transfer.
Specifications
Pin configuration
Parallel Interface connector (printer side)
Notes:
B
“Return” denotes the return side wire of a twisted pair cable and is connected to
signal ground.
B
Be sure to use only a shielded cable. The printer will not operate properly if any
of the pins is not connected.
SignalSignal
+5V(Peripheral)
nSelectin
Return
side pin
30
Appendix
Bidirectional Parallel Interface
19 Busy
Signal Pin
1
20 Select2
21 nAck3
22 nFault4
23 PError5
24 Data 16
25 Data 27
26 Data 38
27 Data 49
28 Data 510
29 Data 611
Data 712
31 Data 8
Signal Pin
Return
side pin
13
32 nInit14
33 nStrobe15
3416
35 nAutoFd17
+5V(Host)18
36
18
36
1
19
IEEE 1284-C type connector
Cable Use a shielded cable 2 m (6.6 ft.) or less in length.
Connector Type