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Appendix
Bi-directional Parallel Interface
The bi-directional parallel interface is based on the IEEE1284 standard.
If your computer has a bi-directional parallel port, the printer driver and printer can take
advantage of faster data transfer.
Specifications
Connector Type
IEEE1284 type connector
Cable
Use a shielded cable 2 m (6.6 ft.) or less in length.
Pin configuration
Parallel Interface connector (printer side)
Notes:
•
“Return” denotes the return side wire of a twisted pair cable and is connected to
signal ground.
•
Be sure to use only a shielded cable. The printer will not operate properly if any of
the pins are not connected.
18
36
1
19
Signal Pin
Return
Signal
side pin
1
19
nStrobe
2
20
Data 1
3
21
Data 2
4
22
Data 3
5
23
Data 4
6
24
Data 5
7
25
Data 6
8
26
Data 7
9
27
Data 8
10
28
nAck
Signal Pin
Return
Signal
side pin
11
29
Busy
12
30
PError
13
31
Select
14
32
nAutoFd
18
-
+5V(Peripheral)
31
-
nInit
32
-
nFault
35
-
+5V(Host)
36
-
nSelection