Centronics Parallel Interface - Intermec 3440 User Manual

3440 Bar Code Label Printer User's Manual

Centronics Parallel Interface

The centronice parallel interface allows only one-way communications with
the printer. You can either purchase the Intermec parallel cable (Intermec
Part Number 051211), purchase the appropriate cable from your local
computer store, or use the following information to make your own
interface cable.
The following pin descriptions are for the printer's parallel interface
connector:
Signal
DATASTB
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
ACK
BUSY
PE
SELECT
CHASSIS GND
INIT
FAULT
Note: The maximum cable length for a parallel interface is 10 feet.
A-14
1233*
FranklinGothic Helv Cond
Pin Return Direction
1 19 IN
2 20 IN
3 21 IN
4 22 IN
5 23 IN
6 24 IN
7 25 IN
8 26 IN
9 27 IN
10 28 OUT
11 29 OUT
12 30 OUT
13 - OUT
17 - -
31 16 IN
32 33 OUT
FG 9pt Italic
FG 8pt Italic
Description
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.
Negative pulse. Data has been
received.
If HIGH, printer cannot receive
data.
If HIGH, out of ribbon or media.
Pulled to +5V. Printer is on.
Printer's chassis ground isolated
from logic ground.
Clears I/OINT0 latch.
See printer display.