Epson IEEE-488 User manual

':l.

DOT

MATRIX

PRINTER

OPTION

user

manual

EPSON

P8090019-4

Y490991040

NOTICE

*All

rights reserved. Reproduction

any part

this

manual

in any

form

whatsoever

without

EPSON's express

written

permission is forbidden.

* The contents

this manual are subject to change

without

notice.

*All

efforts have been made to ensure the accuracy

the contents

this manual.

However, should any errors be detected,

EPSON

would

greatly

appreciate being

informed

them

*The above

notwithstanding,

EPSON can assume no

responsibility

for

any errors

in this

manual

their

consequences.

EPSON CORPORATION

Nagano, Japan

TABLE OF CONTENTS

INTRODUCTION

...

.................................................................................................. 1

INTERFACING WITH EPSON DOT

MATRIX

PRINTER....

.................................. 2

INSTALLATION .................

.................

............................................................... 6

HARDWARE DESCRIPTION ...............................

................

........................ 18

PARTS LIST ...............................................

........................................................

INTRODUCTION

The

IEEE

-488 Interface Board

(Cat.

No.

8161) allows IEEE-488 computers or

instruments* to produce printed output

the

EPSON

FX,

and

MX series dot

matrix printers.

* I

EEE

-488 computers or instruments mean those which have been designed to

accommodate this standa

This compact board provides a complete electronic link between any IEEE-488

computer or instrument

and

the

EPSON

dot matrix printer.

Using this IEEE-488 1/F Board, the

SON

dot matrix printer

can

app

as:

• Peripheral printer for mini/micro computer systems.

•

Hard

copy output devi

for inte

lli

gent data terminals.

• Forms generation for scientific

and

data communication systems.

IEEE-

488

computer

instrum

ent

Data & signals

-----l

~~~

.--.

...__

__,

1 1

IEEE-488

1/F

board

Signals,

Data & signalsl

Control circuit board I

: EPSON

dot

matrix

printer

L-

____________

Fig. 1 Block Diagram

- 1 -

INTERFACING WITH EPSON DOT

MATRIX

PRINTER

IEEE-488 Connector

The

IEEE

-488 Interface Board

(Cat.

. 8161) conforms. to

all

intents

and

purposes, to the intent of the specification; however, it

specifically designed for

use

with

the

EPSON

dot matrix printers. Table 1 lists the pin configuration of the

IEEE-488 mode of operation.

Table 1 Pin Configuration

ofCN1

No. Signal

Name

Description

DI01

Data Bit 1

2 DI02 D

9ta

Bit 2

3 DI03 Data Bit 3

4 DI04 Data Bit 4

EOI

End

entify

6 DAV Data Valid

7 NRFD Not Ready For Data

8 NDAC Not Data Accepted

IFC

Interface Clear

SOR

Service Request

ATN

Attention

Frame Ground

13 DI05 Data Bit 5

14 DI06 Data Bit 6

15 DI07 Data Bit 7

16 DI08 Data Bit 8

REN

Remote Enable

18 GND Ground

19 GND Ground

20 GND Ground

GND Ground

22 GND Ground

23 GND Ground

24 GND Ground

-2-

typical

ept

acle

-----+-

---+--

Body

·-

IL.....,...:::...._

-l

Plug

15mm

min

Fig. 2 IEEE-Standard-488

2. 1/ F Board Connector

Table 2 Pin Configuration

CN2 (HKP-26MS)

Signal

Name

Desc

ript

ion Pin

Signal

Name

Desc

ription

R Error 13 R Reset

Data Bit 7 15 D3 Data Bit 3

4 BUSY Busy 16

+ 5

5 06 Data Bit 6 17 D2 Data Bit 2

7 D5 Data Bit 5 19 D1 Data Bit 1

8 INT Initial

SLC

TIN

lect In

9 D4 Data Bit 4 24 GL Ground Logic

10 S

robe 25

R Interrupt

DB Data Bit 8 26 GL Ground Logic

~3-

Setting of

DIP

Switches

There

are

two

DIP

switches

the

IEEE

-488

1nterfac

Board

(Cat.

. 8161}.

The

methods of setting these

itches

are

described below.

(1)

DIP

SW1

This switch

used to assign the printer (device} number.

The

"ON"

sition of

each

corresponds to binary code

and

the

"OFF" position, binary code

"0",

respectively.

Address calculation formula:

Table 3 Setting

DIP SW2

SWPin

Function ON

OFF

Factory-set

condition

1-1 A, 1 0

OFF

1-2 Az 1 0

OFF

3 A3 1 0

OFF

1-4

A4 1 0

OFF

1-5

As 1 0

OFF

1-6

unused - -

OFF

mple:

The

following example shows how to set printer address "

z 1 2 3 4 5 6

3 0

CJ)

ttD

DOD

23 24

--N

I ' \ -

'~2

I l

·\ -

o~·.r

-4-

{2)

DIPSW2

When

EPSON

dot matrix printer

used

the IEEE-488 standard mode

operation, this switch must

set

shown below. This

the factory-set

condition.

Table 4 Setting

DIP

SW2

SW Pin No. Position

2-1

2-2

OFF

2-3

OFF

2-4

OFF

NOTE:

If you set DIP SW2 to the opposite setting of that shown above, i.e.,

No.

2-1

OFF

and

Nos.

2-2

to 2-4 to ON, the IEEE-4881nterface Board

can

be used

exclusive interface board for

PET

computers.

-5-

INSTALLATION

Installing

the

Interface Board

FX Series Printer

install the

IEEE

-488 Interface

Board

(Cat.

. 8161)

FX Series printer,

observe the following procedure.

(1)

Turn off the power switches of both the printer

and

the host computer.

NOTE:

Power should always be turned off when inserting or removing the interface

board. Removal or insertion of the interface board

with

the power turned

could cause permanent damage to the board itself,

well

to the printer

and

the host computer.

(2)

Pull

and

remove the manual paper feed knob.

(3)

Remove the four screws shown

Fig

EPSON

Fig.3 Removal

Upper

Case

(1)

-6-

(4)

Lift the upper case of the printer, unplug the cable connector connecting the

control panel

and

the control circuit board from the control circuit board.

(See

Fig.

4.)

(5)

Remove the upper case

and

the shield cover. After the upper case

has

been

removed, four poles

are

visible at the inner

rear

left of the printer.

(See

Fig

. 5.)

1111

111111

II II

1111

Poles

Fig. 5 Internal View

Printer

-7-

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