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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:
B-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
Pin
1
2
3
4
5
6
7
8
9
20
21
22
23
24
25
26
27
10
28
Return
Pin
19
Signal
Direction
Description
STROBE
DATA 1
IN
DATA 2
IN
DATA 3
IN
DATA 4
IN
DATA 5
IN
DATA 6
IN
DATA 7
IN
DATA 8
IN
ACKNLG
OUT
IN
STROBE pulse to read data. Pulse width
must be more than 0.5 microseconds at
the receiving terminal.
These signals represent Information of the
1st to 8th bits of parallel data respectively.
Each signal is at HIGH level when data is
logical 1 and LOW when it
is logical 0.
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