Interface Specifications
Your printer is equipped with a parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
8-bit parallel
Synchronization
STROBE pulse
Handshake timing:
BUSY and ACKNLG signals
Signal level:
TTL compatible
Connector:
36-pin 57-30360 Amphenol
connector or equivalent
The table below provides the connector pin assignments and
describes their respective interface signals.
Signal Return Signal
Direction Description
Pin
Pin
1
19
STROBE
IN
STROBE pulse to read data.
Pulse width must be more than
0.5 ps at the receiving terminal.
2 20
DATA 1
IN
These signals represent
3
21
DATA 2
IN
information in bits 1 to 8 of
4 22
DATA 3
IN
5
parallel data respectively. Each
23
DATA 4
IN
signal is of HIGH level when
6
24
DATA 5
IN
data is logical 1 and LOW when
7 25
DATA 6
IN
it is logical 0.
8
26
DATA 7
IN
9
27
DATA 8
IN
10
28 ACKNLG
OUT
About an 11-µs pulse. LOW
indicates that data has been
received and that the printer is
ready to accept more data.
Technical Specifications
7-11
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