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

signal

Signal level:

TTL compatible level

connector:

36-pin 57-30360 (Amphenol) connector or

 

equivalent

Connector pin assignments and a description of their respective interface signals are shown in the following table.

Signal

Signal

Signal

Direction

 

 

Description

Pin

Pin

 

 

 

 

 

 

 

 

 

19

 

 

IN

 

 

 

1

STROBE

 

 

STROBE pulse to read data. Pulse width

 

 

 

 

 

 

 

 

2

20

DATA 1

IN

 

These signals represent information of the

3

21

DATA 2

IN

 

1st to 8th bits of parallel data, respectively.

4

22

DATA 3

IN

 

Each signal is at HIGH level when data is

5

23

DATA 4

IN

 

logical 1 and LOW when it is logical 0.

6

24

DATA 5

IN

 

 

 

7

25

DATA 6

IN

 

 

 

8

26

DATA 7

IN

 

 

 

9

27

DATA 8

IN

 

 

 

10

10

 

 

OUT

 

About an 11-microsecond pulse. LOW

ACKNLG

 

 

 

 

 

 

 

indicates that data has been received and

 

 

 

 

 

 

that the printer is ready to accept more

 

 

 

 

 

 

data.

 

 

 

 

 

 

 

 

7-8Technical Specifications