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7.
I
nterface specifications
7-1
— 7. Interface specifications —
Bidirectional (IEEE1284. Nibble mode) is available.
Parallel interface
PIN SIGNAL IN/OUT PIN SIGNAL IN/OUT
1 STROBE * IN 19 GND
2 DATA 1 IN 20 GND
3 DATA 2 IN 21 GND
4 DATA 3 IN 22 GND
5 DATA 4 IN 23 GND
6 DATA 5 IN 24 GND
7 DATA 6 IN 25 GND
8 DATA 7 IN 26 GND
9 DATA 8 IN 27 GND
10 ACK * OUT 28 GND
11 BUSY OUT 29 GND
12 PE OUT 30 GND
13 SELECT OUT 31 INITIAL * IN
14 AUTO FEED * IN 32 ERROR * OUT
15 NC 33 GND
16 GND 34 NC
17 GHASSIS GND 35 HIGH OUT
18 +5V OUT 36 SELECT IN * IN
(1) The signals marked with asterisks are negative logic signals.
(2) The High level is raised to +5 V with a 2.2 kΩ resistor.
(3) NC means "not connected".
(4) The CHASSIS GND and GND are connected inside the
printer.
Pin configuration
Input connector (36-pin parallel )
18 1416 12 10 8 6 4 217 1315 11 9 7 5 3 1
36 3234 30 28 26 24 22 2035 3133 29 27 25 23 21 19