Interface Specifications
Your printer is equipped with an 8-bit parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
S-bit parallel
Synchronization:
STROBE pulse
Handshake thing:
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 microseconds at
the receiving terminal.
2
20
DATA 1 IN
These signals represent information of the
3
21
DATA 2 IN
1 st to 8th bits of parallel data,
4
22
DATA3 IN
respectively.
5
23
DATA4 IN
Each signal is at HIGH level when data is
6
24
DATA5 IN
logical 1 and LOW when it is logical 0.
7
25
DATA6 IN
8
26
DATA 7 IN
9
27
DATA8 IN
IO 28
ACKNLG OUT
About a 12-microsecond 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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