Epson Printer Interface Cartridge for the Apple... Manuale utente

EPSON

Printer Interface Cartridge

for the Apple® IIc

Operation Manual

or transmitted, in any form or by any means, mechanical, photocopying, recording or other-

wise, without the prior written permission of Epson Corporation. No patent liability is

assumed with respect to the use of the information contained herein. While every precaution

has been taken in the preparation of this book, Epson Corporation assumes no responsibility

for errors or omissions. Neither is any liability assumed for damages resulting from the use of

the information contained herein.

Apple and ProDOS are registered trademarks of Apple Computer, Inc.

AppleWorks is a trademark of Apple Computer, Inc.

HomeWriter, LX-90, and PIC are trademarks of Epson America, Inc.

Darnall and Epson America, Inc.

Nagano, Japan

Y497991240

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation and Operation

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

Inserting the Printer Interface Cartridge

...........

Printing the Self Test

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

Connecting the Printer to Your Apple IIc

..........

Control Panel

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

Using Your Printer

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

2SelecType

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

Turning SelecType On

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

Selecting Typestyles

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

SelecType Exercise

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

Mode Combination

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

SelecTypeTips

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

Elements of Dot-Matrix Printing and

Computer / Printer Communications

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

The Print Head

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

Other Pitches

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

NLQ Mode

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

ESCape and ASCII

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

4Apple IIc PIC Features

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

Demonstration Programs

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

How to run BASIC programs

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

Pica Printing

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

Changing Pitches

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

Cancelling Codes

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

Resetting the Printer

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

Pitch Comparison

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

Near Letter Quality Mode

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

. . .

111

Print Enhancements and

Special Characters

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

Emphasized Mode

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

Double-Strike.. ...............................

Expanded Mode

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

Mode Combinations

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

Underline Mode

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

Master Select

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

Superscript and Subscript

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

International Characters

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

Page Formatting

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

Margins

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

Skip-Over-Perforation

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

Line Spacing

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

Paper-Out Sensor

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

Justification with NLQ

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

Introduction to Dot Graphics

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

Dot Patterns

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

The Print Head and Graphics

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

Graphics Mode

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

Pin Labels

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

First Graphics Program

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

The “Z” Command

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

Multiple-Line Exercise

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

Density Varieties

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

Reassigning Code

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

POKE Subroutine

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

Designing Your Own Graphics

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

Screen Dump Program

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

Diamonds of Randwon Program

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

User-Defined Characters

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

Defining Your Own Characters

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

Designing Process

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

Definition program 1

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

Running the program

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

Definition program

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

Running the program 2

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

Appendixes

LX-90 Characters

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

A-l

Draft Mode

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

A-2

NLQ Mode

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

A-4

Software Commands in

Numerical Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CCommand Summary

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

C-l

Near Letter Quality Mode

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

c-3

Character Width (Pitch)

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

c-4

Print Enhancement

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

c-7

Page Formatting

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

c-11

Margins

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

c-11

Line Spacing

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

c-12

Form feed and page length

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

c-15

Tabs

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

C-16

Graphics

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

c-19

User-Defined Characters

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

c-22

Other Codes

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

C-23

DIP Switches and Interface

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

D-l

DIP Switches

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

D-l

Interface

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

D-4

Troubleshooting and Advanced Features

...........

Installation of Commercial

Software Programs

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

SelecType Features and Solutions

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

Reset codes

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

AppleWorks and SelecType

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

Cancelling modes

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

Printing on Self-adhesive Labels

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

Beeper Error Warnings

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

Problem Codes

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

Graphics

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

Data Dump Mode

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

B-l

E-l

E-2

E-3

E-4

E-5

E-7

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index-l

Introduction

The Epson LX-90’” printer with the Apple

IIc PIC combines low

price with the high quality and advanced capabilities formerly avail-

able only on more expensive printers.

The LX-90

User’s Manual

tells you how to set up your printer. This

Printer Interface Cartridge Operation Manual gives you the specific

information you need to use the LX-90 with your Apple IIc computer.

This manual won’t waste your time with unnecessary information,

but it also won’t neglect anything you need to know about the LX-90

and its features.

You can read as much or as little of this manual as you wish. The

first chapter tells how to test the printer and connect it to your com-

puter. The second chapter explains SelecType, a feature that offers

you five special typefaces. The other chapters explain the main fea-

tures of the LX-90, and the appendixes give technical information on

the printer.

Note

Although all references in this manual are to the Epson

LX-90 printer, this PIC can also be used with the Epson

HomeWriter™-10.

Chapter

Installation and Operation

After you have set up your printer and loaded the paper (following

the directions in the LX-90

User’s Manual),

you are ready to plug in

your Printer Interface Cartridge (PIP) and begin printing.

Inserting the Printer Interface Cartridge

Inserting the PIC is easy. The cartridge slides into the rectangular

opening, as shown in the LX-90 manual. Be sure the printer is OFF

when you insert the PIC. The Apple IIc PIC has a grounding wire.

Attach it as shown in Figure l-1.

Figure l-l. Attaching the grounding wire.

Now that the PIC is installed, you need to change the settings of

three small switches, called DIP switches, in the back of the printer.

Figure l-2 shows where the DIP switches are.

Figure 1-2. DIP switch location

The functions of these switches are explained in detail in Appendix

D, but all that you need to do now is turn three of them on. All the

others should be off. (The switches are down when they are off and up

when they are on.) Before you change any of the DIP switch settings

make sure that the power switch on the right side of the printer is

turned off.

The DIP switches are in two groups, with eight in the first group

and four in the second. Turn on switches

6, 7,

and

in the first group.

Now you are ready to test your printer.

Printing the Self Test

It’s time to see the LX-90 in action. You’ll start with a self test. Don’t

connect the printer to your computer yet-just follow these steps:

1. Make sure that your printer has paper in it and that the power

switch (on the right side of the printer) is off.

2. Hold down the LF button on the control panel while you turn the

printer on with the power switch.

The LX-90 begins printing letters, numbers, and symbols in the

draft mode. It won’t stop until you turn it off or until it gets near the

end of the paper.

To see the same test in the NLQ (Near Letter Quality) mode, turn

the printer on while pressing the FF button. Figure l-2 shows partial

results of both tests.

Draft

Figure 1-3. Self-test printouts

Connecting the Printer to Your Apple IIc

Before connecting the LX-90, be sure that all your computer equip-

ment is turned off.

Plug the PIC cable into the printer socket in the back of your IIc.

This socket is the second socket from the power switch and is marked

by a printer icon.

Control Panel

After connecting your LX-90 to your computer system, turn on the

printer and look at the control panel, which is shown in Figure

l-4.

Figure l-4. Control panel

You have already used the control panel for a special purpose,

printing the self test. Here are the main functions of the lights and

buttons on this panel:

The POWER light glows green when the power is on.

l The READY light

glows green when the printer is ready to accept

data. Don’t worry if this light flickers somewhat during printing;

this flickering is normal.

The PAPER OUT light glows red when the printer is out of paper or

the paper is loaded incorrectly.

The ON LINE light glows green when the printer can receive data.

In addition to the lights, the control panel has three buttons.

ON LINE-switches the printer between on line and off line status.

When the printer is on line, the ON LINE light glows and the printer

is ready to accept data.

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