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
Pin
Pin
Signal Direction
Description
1
19
STROBE IN
STROBE pulse to read data. Pulse width
must be more than 0.5 microseconds at
the receiving terminal.
2
3
4
5
6
7
8
9
10
20
DATA 1
IN
These signals represent information of the
21
DATA 2
IN
1st to 8th bits of parallel data respectively.
22
DATA 3
IN
Each signal is at HIGH level when data is
23
DATA 4
IN
logical 1 and LOW when it
24
DATA 5
IN
is logical 0.
25
DATA 6
IN
26
DATA 7
IN
27
DATA 8
IN
28
ACKNLG
OUT
About an 11 -microsecond pulse.
LOW indicates that data has been
received and that the printer is ready to
accept more data.
7-10
Technical Specifications
