Epson C82310 User Manual

EPSON

32KB

Parallel Interface Card

C82310

*

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4000402
S01-00

FCC COMPLIANCE STATEMENT

FOR AMERICAN USERS

This equipment has been tested and found to comply with the limits for a Class B digita1
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
or television reception. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio
and television reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the following
measures:

— Reorient or relocate the receiving antenna
— Increase the separation between the equipment and receiver.
— Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

— Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1)

this device may not cause harmful interference, and

(2)

this device must accept any interference received,

including interference that may cause undesired operation.

FOR CANADIAN USERS

This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus as set out in the radio interference regulations of the Canadian Depart­ment of Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numèriques de Class B prescrites dans le réglement sur
le brouillage radioélectrique édicté par le Ministère des Communications du Canada,

WARNING

The connection of a non-shielded printer interface cable to this printer will invalidate the
FCC Certification of this device and may cause interference levels which exceed the
limits established by the FCC for this equipment. It is the responsibility of the user to
obtain and use a shield equipment interface cable with this device. If this equipment has
more than one interface connector, do not leave cables connected to unused interfaces.

Seiko Epson Corporation shall not be liable against any damages or problems arising
from the use of any options or any consumable products other than those designated as
Original Epson Products or Epson Approved Products by Seiko Epson Corporation.

All rights reserved. Reproduction of any part of this manual in any form whatsoever
without Seiko Epson’s express written permission is forbidden.
The contents of this manual are subject to change without notice.
All efforts have been made to ensure the accuracy of this manual. However, should
errors be detected, Seiko Epson would greatly appreciate being informed of them.
The above notwithstanding, Seiko Epson can assume no responsibility for any errors in
this manual or their consequences.

Copyright © 1991 by Seiko Epson Corporation, Nagano. Japan

NOTICE

any

32KB Parallel Interface Card

C82310*

32-KB-Schnittstellenkarte

C82310*

Carte d’Interface parallèle 32Ko

C82310*

Módulo de interface en

paralelo de 32KB

C82310*

Scheda dell’interfaccia

parallela da 32KB

C82310*

TABLE OF CONTENTS

INTRODUCTION

About this guide

SETTING THE CONDITIONS

Card layout
DIP switch and jumper settings
DIP switches
Jumpers

DATA ENTRY

About data entry
SELF TEST
SPECIFICATIONS
HARDWARE DESCRIPTION
INSTALLATION

2
3

4
4
5

5
7

9
9

10
11

12
15

1

INTRODUCTION

The Parallel Interface C82310* is an interface card that
allows parallel data communication between a host
computer and an Epson printer.

This card has the following features:

Ž

A 32 Kbyte buffer that frees up your computer for
other uses while your printer continues to print

Ž A self-test function that can help solve interface

problems

2

About this guide

This guide tells you how to install your C82310* interface
card in a variety of Epson printers.

Also included are instructions on how to adjust the
settings of the C82310* interface card, as well as a general
description of parallel data communication.

The C82310* option package contains the following
items:

C82310 * parallel l/F Card

3

SETTING THE CONDITIONS

The C82310* interface card has two sets of DIP switches,
and five jumpers. These switches and jumpers are used
for selecting various interface operations.

Card layout

The figure below shows the layout of the C82310* card
and the locations of the DIP switches and jumpers.

Figure 2. Card layout

4

DIP switch and jumper settings

Before you install the C82310* interface, you may need
to adjust DIP switch 1 and jumper settings. You can
change switch 2 settings after you install the interface.

When making DIP-switch setting changes, use a pointed
device such as a ball-point pen or small screwdriver.

Caution

Always turn the power off before changing DIP-switch
and jumper settings. New settings take effect when the
printer is turned back on.

DIP switches

Setting DIP switches allows you to change interface
functions. The two sets of switches are labeled SW1 and
SW2. SW1 contains several individual toggle-type
switches that can be set either on or off. The individual
switches are referred to by set (SW1) and number. For
example the switch in set SW1 marked by the small
number 3 is called DIP switch 1-3.

5

DIP switch 1 (interface operations)

The table below contains information on switch func­tions, and the factory setting of each switch.

Table 1. DIP switch 1

Note

When DIP switch l-l is set to ON, the interface card can
continue store data in the buffer memory even though

the printer is in an OFF LINE or PAUSE state.

Switch 2

The table below contains information on switch 2.

Table 2. Switch 2

Function

The I/F card enable/disable

ON

Enable Disable ON

OFF

Factory

setting

6

Some printers have a switch (or function) that allows you
to select between the optional and original interface. If
you install the C82310* interface card in this type of
printer, set the interface card’s DIP switch 2 to ON and
also change the setting in the printer to select the
optional interface.

Jumpers

A jumper is a small plug used for connecting or discon-

necting a circuit. The jumper is on when the jumper
plug covers both wires of the terminal. Jumper settings
can be changed by either attaching or removing the
rectangular jumper plug.
off, connect it to only one of the two terminal pins as

shown in the figure below. This prevents your losing the
unused jumper plug.

Figure 2. Jumpers

If the jumper is to be turned

7

The tables below describe the interface conditions that
can be selected using jumpers. In all cases, ON means
you connect the jumper (cover both terminals), while

OFF means you disconnection of the jumper.

Table 3. Jumper settings

Jumper Function

Fixed (See Note)

J1

Fixed (See Note)

J2

Fixed (See Note)

J3

Fixed (See Note)

J4
JG

ON:

Connect chassis ground to signal
ground

Factory setting

OFF

Note

Jl,J2,J3, and J4 jumpers are connected at the factory; do

not change these setting.

8

DATA ENTRY

About data entry

For quick data entry, the C82310* interface card is
equipped with a buffer that temporarily stores data
before it is printed. When this buffer becomes full, the
interface card send a BUSY signal
during this state cannot be guaranteed.)

The data in the buffer is automatically sent to the printer
when the printer indicates it is ready to accept more
data.

. (Reception of data

9

SELF TEST

You can run the self test by first turning off the printer
and then turning on DIP switch l-3. When you turn the
power back on, the self test begins. To exit from the self
test, turn off the power and turn DIP switch 1-3 off.

The interface card first checks the RAM condition. After
checking the RAM, data from <30>H to <39>H is sent to
the printer and printed (the printout is only 80 columns
wide).

Table 4. Self-test mode

Note

It takes some time to check the RAM before test printing

beings.

10

SPECIFICATIONS

1. Data transmission:

2. Synchronization:

8-bit parallel
External supplied STROBE

pulse

3. Handshaking:

4. Logic level:

5. RAM capacity:

6. Connector:

Via ACKNLG or BUSY signals
TTL level
32 Kbytes

57-30360 (Amphenol), 36 pin
or its equivalent

Interface timing

The figure below shows the timing for the parallel

interface.

Figure 3. Interface timing

11

HARDWARE DESCRIPTION

For signal description and pin assignment, refer to the
table below:

Table 5. Signal description and pin assignment

Signal Return

Pin

Pin

1

19

2

20
21

3

22

4

23

5

24

6

25

7
8

26
27

9

28

10

11

12

Signal

STROBE

DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 8

ACKNLG

BUSY

PE

Direction

IN

IN
IN
IN
IN
IN
IN
IN
IN

OUT

OUT

OUT

The STROBE pulses to read
data. Pulse width must be more
than 0.5 µseconds at the
receiving terminal.

These signals represent data in
bits 1 to 8 of parallel data,
respectively. Each signal is high
when data is logical 1 and low
when it is logical 0.

About a 12-µseconds pulse.
Low indicates that data has
been received and that the
interface card is ready to accept
more data. This signal is output
paired together with a BUSY
signal.

A high signal indicates that the

data. The signal goes high in

2) When OFF LINE

3) During printer-error state

Description

interface card cannot receive

the following cases:

1) During data entry (along
with each character)

(or PAUSE)

A high signal indicates that the
printer is out of paper.

12

Signal

Return Signal Direction

Pin

Pin

13

14

15

16

17

18
19-30

31

ERROR

32

33

34

SLCT

AUTO
FEED
XT

NC

GND

CHAS­SIS
GND

NC

GND

INIT

GND

NC

A high signal indicates that the

OUT

printer is in the selected state.
The signal goes low in the
following cases:

1) When the SLCT IN signal
goes high

2) During a printer-error state

3)

When the interface card is

disabled
This signal can be fixed to
“high” with DIP Switch 1-5.

IN

This function depends on
printer specifications.

Not used

Twisted-pair, return-signal
ground

Printer's chassis ground, which
is isolated from the logical
ground

Not used

Twisted-pair, return-signal
ground

IN

When the signal level goes low,
the printer controller and the
interface card
signal level is usually high; its
pulse width must be more than
50 µseconds at the receiving
terminal.

This signal level goes low when

OUT

the printer is out of paper or in
an error state.

Twisted-pair return signal
ground.

Not used

Description

are reset.

This

13

Signal

Return

Pin Pin

35

36

Signal

SLCT IN

Direction

OUT

IN

Description

Pulled up to +5 V through 3.3
K W resistance.

The DC1/DC3 code are valid
only when this signal is
high. (This signal can be fixed
low by changing a DIP switch,
jumper, or SelecType setting on
the printer.) The printer
monitors this signal, so this
signal’s function depends on
the printer’s specifications.

Note

•

The column heading Direction refers to the direction
of signal flow as viewed from the printer.

•

All interface conditions are based on TTL level. Both
the rise and fall of each signal must be less than 0.2
µseconds.

14

INSTALLATION

Installation or removal of the C82310* interface card is
easy, and requires only a screwdriver.

The following section tells you how to install your

interface card in a variety of EPSON printers.

Caution

•

Turn off the power to the printer and the computer
before installing. Make sure that all power and

interface cables are removed.

•

Avoid touching the printer’s circuit board contacts;
many components are sensitive to static electric
charges that may build up on your body.

Adjust DIP-switch and jumper settings as necessary.

1.

2.

Align both sides of this card with the guides on the
sides of the interface compartment.

15

3.

Insert firmly until the interface pins mate with
connector inside your printer.

4.

Attach the two screws to secure the interface.

16

EPSON OVERSEAS MARKETING LOCATIONS

EPSON AMERICA, INC.
20770 Madrona Avenue
Torrance CA 90503, USA
Phone: [phone]
Fax: [phone]

EPSON UK LTD.
Campus 100, Maylands Avenue
Hemel Hempstead
HP2 7EZ, UK
Phone: [phone]
Telex: 5182467

EPSON AUSTRALIA PTY. LTD.

UNIT

3, 17 Rodborough Road
Frenchs Forest, NSW 2086, Australia
Phone: [phone]
Fax: [phone]

EPSON HONG KONG LTD.
25/F, Harbour Centre.
25 Harbour Road, Wanchai
Hong Kong
Phone: [phone]
Telex: 65542

EPSON ITALIA S.p.A.

V,

le F.
SESTO S. GlOVANNl MI, Italy
Phone: [phone]
Fax: [phone]

SEIKO EPSON CORPORATION
(Hirooka Office)
80 Harashinden,
Shiojiri-Shi.
399-07 Japan
Phone: [phone]

Herts.

Ili

Casiraghi., 427 20099

Hirooka

Nagano-ken

EPSON DEUTSCHLAND GmbH

Zülpicher

Straße 6, 4000 Düsseldorf
F.R. Germany
Phone: [phone]
Telex: 8584786

EPSON FRANCE S. A.
68 bis. rue Marjolin 92300.
Levallols Perret, France
Phone: [phone]

Telex: 610657

EPSON SINGAPORE PTE. LTD.
No. 1 Raffles Place #26-00
OUB

Centre,

Phone: [phone]
Fax: [phone]

EPSON ELECTRONICS TRADING LTD.
(TAIWAN BRANCH)

10F, No. 287 Nanklng E. Road, Sec. 3,

Taipei, Taiwan. R.O.C.
Phone: [phone]
Fax: [phone]

EPSON IBERICA. S.A.

Paris,

Phone: [phone]
Fax: [phone]

Singapore 0104

152, 08036 Barcelona, Spain

11

1990 Nov.

EPSON

Printed in Japan 91.03-2