3400, 3440, and 3600 Bar Code Label Printer User’s Manual HelvC
NugFont
Code39
A-12
The following pin descriptions are for the printer's parallel interface connector:
Signal Pin Return Direction Description
DATASTB 1 19 IN Negative pulse. Latches DB0-7 on the rising edge. Eight
bits in parallel provide data input. High is logical 1 and
LOW is logical 0.
DB0 2 20 IN
DB1 3 21 IN
DB2 4 22 IN
DB3 5 23 IN
DB4 6 24 IN
DB5 7 25 IN
DB6 8 26 IN
DB7 9 27 IN
ACK 10 28 OUT Negative pulse. Data has been received.
BUSY 11 29 OUT If HIGH, printer cannot receive data.
PE 12 30 OUT If HIGH, out of ribbon or media.
SELECT 13 - OUT Pulled to +5V. Printer is on.
CHASSIS GND 17 - - Printer's chassis gnd isolated from logic gnd.
INIT 31 16 IN Clears I/OINT0 latch.
FAULT 32 33 OUT See printer display.
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