EPSON Stylus Color 900

 

 

 

 

Revision C

 

 

 

 

Table 1-12. Parallel I/F Forward Channel

 

 

 

 

 

 

 

 

Pin No.

Signal Name

Return

In/Out

Functional Description

 

 

GND Pin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

/STROBE

19

I

The strobe pulse. Read-in of data is performed at the falling edge of this pulse.

 

 

 

 

 

 

 

 

 

2

DATA0

20

I

 

 

 

 

 

 

 

 

 

 

3

DATA1

21

 

 

 

 

 

 

 

 

 

 

 

4

DATA2

22

 

The DATA0 through DATA7 signals represent data bits 0 to 7, respectively. Each

 

 

 

 

 

 

 

 

5

DATA3

23

 

signal is at high level when data is logical 1 and low level when data is logical 0.

 

 

 

 

 

 

 

 

 

 

 

 

 

6

DATA4

24

 

 

 

 

 

 

 

 

 

 

 

7

DATA5

25

 

 

 

 

 

 

 

 

 

 

 

8

DATA6

26

 

 

 

 

 

 

 

 

 

 

 

9

DATA7

27

 

 

 

 

 

 

 

 

 

 

 

10

/ACKNLG

28

O

This signal is a negative pulse indicating that the printer can again accept data.

 

 

 

 

 

 

 

 

 

11

BUSY

29

O

A high signal indicates that the printer cannot receive data.

 

 

 

 

 

 

 

 

 

12

PE

28

O

A high signal indicates paper-out error.

 

 

 

 

 

 

 

 

 

13

SLCT

28

O

Always at high level when the printer is powered on.

 

 

 

 

 

 

 

 

 

14

/AFXT

30

I

Not used.

 

 

 

 

 

 

 

 

 

31

/INIT

30

I

The falling edge of a negative pulse or a low signal on this line causes the printer to

 

 

initialize. Minimum 50 us pulse is necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

/ERROR

29

O

A low signal indicates printer error condition.

 

 

 

 

 

 

 

 

 

36

/SLIN

30

I

Not used.

 

 

 

 

 

 

 

 

 

18

Logic H

----

O

Pulled up to +5V via 3.9K ohm resistor.

 

 

 

 

 

 

 

 

 

35

+5V

----

O

Pulled up to +5V via 3.9K ohm resistor.

 

 

 

 

 

 

 

 

 

17

Chassis GND

----

---

Chassis GND.

 

 

 

 

 

 

 

 

 

16,33,

GND

----

---

Signal GND.

 

 

19-30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15,34

NC

----

---

Not connected.

 

 

 

 

 

 

 

 

*: In and Out refers to the direction of the signal as viewed from the printer.

Product Description

Interface

25

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Image 25
Epson SEIJ98006 manual Parallel I/F Forward Channel, Busy

SEIJ98006 specifications

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