Epson LX-80 User Manual

®
EPSON
LX-80™ PRINTER
User’s Manual
FCC COMPLIANCE STATEMENT
FOR AMERICAN USERS
installed and used properly, that is,
in strict accordance with the
manufacturer’s instructions, may cause interference to radio and television
reception. It has been type tested and found to comply with the limits for a
of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference in a residential installation. However,
installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on,
the following measures:
- Reorient the receiving antenna Relocate the computer with respect to the receiver
­are on different branch circuits.
If necessary, the user consult the dealer or an experienced radio/television
booklet prepared by the Federal Communications Commission helpful:
“How to Identify and Resolve Radio-TV Interference Problems.”
Washington DC 20402. Stock No. 004-000-00345-4.
WARNING
invalidate the FCC certification of this device and may cause interference which exceeds the limits established by the FCC for this equipment. If this equipment has more than one interface connector, do not leave cables connected to unused interfaces.
Apple is a registered trademark of Apple Computer, Inc. Applesoft is a trademark of Apple Computer, Inc. Centronics is a registered trademark of Data Computer Corporation.
LX-80 is a trademark of Epson America, Inc. IBM-PC is a registered trademark of International Business Machines Corporation. Microsoft is a trademark of Microsoft Corporation. QX-10 is a trademark of Epson America, Inc.
TRS-80 is a registered trademark of Radio Shack, a division of Tandy
Corporation. 80 Micro is published by Wayne Green Publishers.
NOTICE:
l All rights reserved. Reproduction of any part of this manual in any form
whatsoever without EPSON’s express written permission is forbidden.
l The contents of this manual are subject to change without notice.
* All efforts have been made to ensure the accuracy of the contents of this manual.
However, should any errors be detected, EPSON would greatly appreciate being informed of them.
*
The above notwithstanding, EPSON can assume no responsibility for any errors
in this manual or their consequences.
@ Copyright 1984 by EPSON CORPORATION
Nagano. Japan
P8492004

Contents

List of Figures
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List of Tables . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . .
LX-80 Features
. . . .
About This Manual
Setting Up Your LX-80 Printer
1
Printer Parts Printer Location
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Paper Feed Knob Installation Ribbon Installation Ribbon Replacement Paper Loading
Control Panel
Test Pattern
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Connecting the LX-80 to Your Computer . First Printing Exercise
SelecType
2
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Choosing Print Modes Turning SelecType Mode On Using SelecType
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First SelecType Exercises
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Testing Your Software for the Reset Code
Mode Combinations SelecType Cautions and Tips
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vii
Vlll
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1 1
2
3 3 4 4 5
8
9 10 12 13 14
15 15 16 17
18
19 20 22
3
Elements of Dot Matrix Printing
The Print Head . . . . . . . .
Bidirectional Printing . . .
Changing Pitches . . . . . . . .
NLQ Mode . . . . . . . . . .
4
Printer Control Codes .
ASCII Codes . . . . . .
ESCape Code . . . .
Printer Codes . . . . .
Embedded codes . . .
Inserted codes . . . .
Programming Languages .
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23 23 24 24 26
29 29 30 31
32
32
33
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III
LX-80 Features
5
Demonstration Programs
Pica Printing Changing Pitches Cancelling Codes Resetting the Printer
Pitch Comparison Near Letter Quality Mode
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35 35 36 37 37
38 38 39
Print Enhancements and Special Characters
6
Bold Modes..
Emphasized mode Master program
Double-strike Expanded Mode Mode Combinations Italic Mode Underline Mode
Master Select Superscript and Subscript
Special Characters International Characters Graphics Character Set
Page Formatting
7
Margins
Justification with NLQ . .
Skip Over Perforation Line Spacing Paper-Out Sensor
User-Defined Characters
8
Defining Your Own Characters Designing Process
First definition program Running the program Second definition program
Running the program
Defining NLQ Characters
NLQ grid First NLQ definition program
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Second NLQ definition program
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41 41 41
42 43 44
44 45 46 47 49
49 49 52
55 55 56
57 57 59
61
61 62 63 64 65
66 67 67
70 71
iv
Introduction to Dot Graphics
9
Dot Patterns Print Head
Graphics Mode
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Pin Labels ................................
First Graphics Program Multiple-Line Exercise Density Varieties Reassigning Code Column Reservation Numbers WIDTH Statements Design Your Own Graphics Graphics Programming Tips
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Semicolons and command placement String variables
Graphics and low ASCII codes
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Appendixes
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73 74 75 75 76 78 78
80 81 81 82 83 86 86 88 89
A
ASCII Codes and Character Fonts
Special Graphics Characters . . . . . . . . . . .
Draft International Characters . . . . . . .
B
Control Codes in Numeric Order . . . . .
Control Key Chart . . . . . . . . . . . . . . .
C
Control Codes by Function
Near Letter Quality Mode
Character Width (Pitch)
Character Weight Print Enhancement
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Mode and Charcter-Set Selection .
Special Printer Features . . . . . . .
Line Spacing . . . . . . . . . . . . .
Forms Control
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Page Format . . . . . . . . . . . . . .
User-defined Characters
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Dot Graphics . . . . . . . . . . . . . .
D
The DIP Switches . . . . . . . . . . . . . . . . . . . . . .
E
Using the Optional Tractor Unit
Printer Location . . . . . . . . . . . . .
Tractor Unit Installation
Loading Continuous Paper
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A-1
A-3 A-5
B-1
B-12
C-1
C-1 C-1 C-1 C-2 C-2 C-2 C-2 C-3 C-3 C-3
C-3
D-1
E-1 E-1 E-2 E-4
Troubleshooting and Advanced Features
F
Problem/Solution Summary
Setting print styles Tabbing Graphics
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Paper-out sensor
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SelecType Solutions
.
Method l.. Method 2.. Method3
Method 4
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Cancelling Functions with SelecType
Other software Beeper Error Warnings Data Dump Mode Coding Solutions
POKEing codes Special printer drivers
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Solutions for Seven-Bit Systems
Solutions for Specific Systems
Applesoft BASIC solutions Apple II solutions
TRS-80T”
IBM-PCTM
solutions
solution
QX-10™ solutions
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: : : : : : : : : : : : : : : : : : : : : :
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F-1 F-1 F-1 F-1 F-1
F-3 F-3 F-3 F-3
F-4 F-4 F-4 F-6 F-6
F-6 F-8
F-9 F-10 F-10 F-11 F-11 F-12 F-13
F-13 F-14
Printer Maintenance
G
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Always
NowandThen..::::::::::::::::::::
Rarely
Technical Specifications
H
Printing
Paper Printer Dimensions and Weight Environment
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Character size
Characters per line
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Interface ..................................
I
The Parallel Interface
Data Transfer Sequence
Interface timing Signal relationships
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vi
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G-1 G-1
G-1 G-1
H-1 H-1 H-1 H-2
H-2 H-2 H-2 H-3 H-3
I-1 I-3 I-3 I-3
List of Figures
1-1 1-2 1-3 1-4 1-5 1-6
1-7 1-8 1-9 1-10
2-1
3-1 3-2 3-3
6-1 6-2 6-3
6-4 6-5 6-6
7-1
Printer parts
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Paper feed knob installation . . . Ribbon cassette Print head assembly
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Ribbon cassette installation . .
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Ribbon placement . . . . . . . . .
LX-80 ready for paper loading .
Control panel . . . . . . . . . . .
Test patterns Cable connection
SelecType setting and functions
A capital T
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The three pitches of the LX-80 . .
LX-80 dot matrix characters . . . Emphasized and single-strike
Double-strike and single-strike
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Expanded and standard characters
Italic and pica . . . . . . . . . . . . .
The underline mode Special graphics characters
Standard line spacing
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3 5 5 6
7 8
9 10 12 14
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23 25 26
41 43 44
46 47 52
58
8-1 8-2 8-3 8-4 8-5 8-6 8-7
9-1 9-2 9-3 9-4 9-5 9-6
9-7
D-1
Grid for designing draft characters Correct and incorrect designs Design for sigma
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Using the bottom eight rows
Grid for NLQ characters
Data numbers for one column
Arrow design and data numbers
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Pin labels . . . . . . . . . . . . .
Calculating numbers for pin patterns Designing in different densities
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Arrow design . . . . . . . . . . .
First line of arrow figure
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Result of incorrect program . . . . .
Pin patterns of incorrect program DIP switch location
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62 63 64 65 68
69 70
77
77 83 84 84 86 87
D-1
vii
E-1
E-2 E-3 E-4 E-5 E-6
E-7
E-8
Continuous paper with printer stand Continuous paper without stand
Tractor placement
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Paper separator and paper guide Tractor release levers
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Pin feed holder adjustment Open Top of
in feed cover
page position
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E-1
E-2
E-2 E-3 E-4 E-5
E-5 E-6
I-1
2-1 2-2
5-1
6-1
6-2 6-3
9-1
D-1
D-2
I-1 I-2
Parallel interface timing
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List of Tables
SelecType modes
Mode combinations Summary of LX-80 pitches International characters in NLQ mode
International characters in draft mode International characters in draft italic
Graphics modes DIP switch functions
International DIP switch settings Pins and signals
Signal interrelations
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16 21
40
50
51 51
80
D-2
D-2
I-1, I-2
I-4
Vlll
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Introduction

The Epson LX-80 printer combines low price with the high quality and advanced features formerly available only on more expensive printers.

LX-80 Features

In addition to the high performance and reliability you’ve come to
expect from an Epson printers, the LX-80 offers:
l Draft mode for quick printing of ordinary work l Near Letter Quality mode for top quality printing l A variety of print styles, including Roman and italic, six widths,
and two kinds of bold printing
l User-definable characters so you can create and print your own
symbols or characters
l High-resolution graphics for charts, diagrams, and illustrations
l Eleven international character sets l Easy paper loading l Ribbon cassette for quick and clean ribbon changing

About This Manual

We’re not going to waste your time with unnecessary information, but we won’t neglect anything you need to know about the LX-80 and its many features.
You can read as much or as little of this manual as you wish. If you have used printers before and have a specific program that you want to use with the LX-80, a quick reading of the first chapter may be all you need. If, on the other hand, you are new to computers and printers, you will find this manual easy to follow and the LX-80 easy to use. No matter what your background, if you want to learn about
and experiment with all the advanced features of the LX-80, the information you need is here.
For a preview of what your LX-80 can do, look at the following
samples of a few of its typestyles.
NLQ. standard
ABCDEFGHIJKLMnopqrstuvwxyz
WLQ emphasized ABCDEFGHIJKLMnopqrstuvwxyz
2
Chapter 1
Setting Up Your LX-80 Printer
Setting up your LX-80 printer is a simple matter of attaching two parts, putting in the ribbon and paper, and connecting the printer to your computer.
This chapter will have you printing a test pattern within fifteen to
twenty minutes and doing more complicated work not long after.

Printer Parts

First, see that you have all the parts you need. In addition to this
manual, the printer box should contain the items shown in Figure l-1.
* In the United States, the printer is delivered with the power
cord attached.
Figure 1-1. Printer parts
cord*
3
In addition to the items in the box, you need a cable and possibly an interface board. The cable connects the printer to your computer, and the interface board is necessary only for those computers that can’t use the LX-80’s Centronics® parallel interface. Your computer manual or your dealer will tell you which cable you need and whether or not you need a special interface.

Printer Location

Now that you have unpacked your printer, you should choose a suitable location for it. The main requirement, of course, is that the printer be close enough to your computer for the cable to reach. Also
remember the following:
l Use a grounded outlet, and do not use an adapter plug. l Avoid using electrical outlets that are controlled by wall switches.
Accidentally turning off a switch can wipe out valuable informa­tion in your computer’s memory and disrupt your printing.
l Avoid using an outlet on the same circuit breaker with any large
electrical machines or appliances. These can cause disruptive pow­er fluctuations.
l Keep your printer and computer away from base units for cordless
telephones.
l Protect the printer from direct sunlight, excessive heat, moisture,
and dust. Make sure that it is not close to a heater or other heat source.

Paper Feed Knob Installation

Now that you have chosen where to set up your LX-80, the first and simplest piece to install is the paper feed knob, which you use to manually advance the paper-just as you do on a typewriter. To install the knob, merely push it onto the shaft found in the hole on the right side of the printer. (See Figure l-2.) The shaft has one flat side that must be matched with the flat side of the hole in the knob.
4
Figure 1-2. Paper feed knob installation

Ribbon Installation

The LX-80 printer uses a continuous-loop, inked fabric ribbon,
which is enclosed in a cassette that makes ribbon installation and
replacement a clean and easy job. The parts of this cassette are labelled in Figure 1-3.
Figure 1-3. Ribbon
cassette
5
To install the ribbon, first open the lid at the front of the LX-80 so
that you can see the print head assembly shown in Figure 1-4. Move the assembly by hand to the center of the printer so that the other
parts of the printer will not get in your way. Also be sure that the
paper bail is against the black roller so it too will not be in your way. Note: Moving the print head by hand when the printer is turned on
can harm the printer. Always be sure that the printer is turned
off before you move the print head.
Figure l-4. Print bead assembly
Then hold the ribbon cassette so that the small knob is on top and the exposed section of ribbon is away from you. Insert the cassette in its holder by first sliding the pins at the back of the ribbon cassette under the small hooks on the holder. (See Figure l-5.) Then lower the
front of the cassette so that the exposed section of ribbon can fit between the print head nose and the silver ribbon guide. Push down until the cassette fits firmly in place.
Figure 1-5. Ribbon cassette installation
7
Now turn the knob on the cassette in the direction of the arrow to tighten the ribbon. As you turn the knob, see that the ribbon slips down into its proper place between the print head nose and the silver ribbon guide (Figure l-6). If it doesn’t, guide it with a pen or a pencil.
Figure l-6. Ribbon placement

Ribbon Replacement

When your printing begins to become light and you need to re­place the ribbon, lift the front of the cassette to remove it and then follow the above instructions with a new cassette. If you have been using your printer just before you change cassettes, be aware that the print head becomes hot during use. Be careful not to touch it. Also remember never to move the print head by hand when the printer is turned on.
8

Paper Loading

Now put a sheet of paper in your LX-80 so you can test it. Figure
1-7 shows the names of the parts that you need to know.
Friction lever
Figure 1-7. LX-80 ready for paper loading
9
See that the printer is turned off, open the front lid, and push the friction lever back and the paper bail forward. Then move the print head by hand to the center of the printer and feed the paper into the paper slot in the top of the printer,
When the paper will not go any farther, turn the paper feed knob to advance it as you would with a typewriter. Turn the knob until the top of the paper is at least the paper bail against the paper. If the paper becomes crooked, pull the friction-release lever forward, straighten the paper, and push the friction lever back.
If you have the optional tractor unit for continuous pin-feed paper, see Appendix E for instructions on its use.
3/+inch
above the ribbon guide. Then push

Control Panel

Now that your paper is loaded, it is time to plug in the printer and see what the buttons on the control panel do. First, see that the power switch on the right side of the printer is off; then plug in the power cord. Now turn on the power switch and look at the control panel on the right side of the top of your LX-80.
10
Figure 1-8. Control panel
There are several buttons and indicator lights on the control panel.
Their primary functions are described below:
l The POWER light glows green when the power is on. l The READY light glows green when the printer is ready to accept
data. This light flickers somewhat during printing.
l The PAPER OUT light glows red to indicate that the printer is
out of paper or the paper is loaded incorrectly.
l The ON LINE light glows green when the printer can receive
data.
l The ON LINE button 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.
The following two buttons work only when the printer is off-line. If the ON LINE light is on, press the ON LINE button to put the printer off-line before you use these buttons.
l The FF (Form Feed) button advances the paper to the top of the
next page.
l The LF (Line Feed) button advances the paper one line at a time.
The control panel buttons can also be used to turn on several printing functions using a feature called SelecType, which is described in Chapter 2. In addition, you’ll find another use for the LF and FF buttons in the next section.
11

Test Pattern

Now you’ll see your LX-80 print something even though it’s not connected to a computer yet. Make sure that your printer has paper in it and that the power switch is off. Now, hold down the LF button on the control panel while you turn the printer on with the power switch. The LX-80 will begin printing all the letters, numbers, and other characters that are stored in its ROM (Read Only Memory) for the draft mode. When the printing starts, you can release the LF button; the printing will continue until you turn the printer off or until the print head gets near the end of the page. To see the same test in the NLQ (Near Letter Quality) mode, turn the printer on while holding down the FF button. Partial results of both tests are shown in Figure 1-9.

Connecting the LX-80 to Your Computer

Now that the test pattern has shown that your printer is working well, it’s time to hook it up to your computer. It is best to have both the printer and the computer turned off when you do this.
Remember that each computer system has its own way of com­municating with a printer. If your computer expects to communicate through a Centronics parallel interface, all you need is a cable. If your computer requires any other kind of interface, you will also need an interface board.
If you don’t know what a Centronics parallel interface is, your computer manual or your dealer will tell you what you need. Then, once you have plugged your printer cable into your printer and computer, you will probably never think about interfaces again. (If you do want the technical specifications, however, you can find them
in Appendix I.)
The first three steps in connecting your printer and computer are shown in Figure 1-10. Plug one end of your printer cable into the cable connector of your LX-80 printer. The plug is shaped so that there is only one way it will fit the connector. Now secure the plug to the printer with the wire clips on each side of the connector. These clips insure that your cable will not be loosened or unplugged accidentally. If your cable has a grounding wire, fasten it to the
grounding screw below the connector.
13
Groundin{
screw
Wire clip
Figure 1-10. Cable connection
Next connect the other end of the printer cable to your computer.
On most computers you can easily find the correct connector for the
printer cable, but if you are not sure, consult your computer manual
or your dealer.

First Printing Exercise

Now it is time to see something more interesting than the test
pattern from your LX-80 printer. Your next step depends upon what
kind of printing you plan to do. If you have a word processing or other commercial software program, just load the program in your computer, follow its printing instructions, and watch your LX-80 print. If you plan to use your LX-80 for printing program listings, load a program and use your computer system’s listing command
(LLIST for Microsoft™ BASIC, for example).
Note: If all the lines of your first printing exercise are printed on top
of each other, don’t worry. There is nothing wrong with your printer. All you have to do is change the setting of a small
switch in the back of your printer. See the section on automa­tic line feeds in Appendix D.
14
Chapter 2
SelecType
At the end of the introduction you saw samples of the typestyles available on your LX-80. In this chapter you’ll learn how Epson’s SelecType feature puts the most-used print modes at your fingertips.
With a few taps on the panel buttons of the LX-80, you can change
your printing from
$:ll~~,
i!+, 1”) (I:/ cl r’ (::I
to the more detailed
Near Letter Quality (NLQ) mode
or any of several other possibilities.
<ii> j, r) (::I 11, Et! ....’ !:I;. ‘t;, r j, 1.:: (<;$
. . .

Choosing Print Modes

The LX-80 printer’s many print modes give you a great choice of width, weight, and style of characters. You can activate these modes in several different ways, depending on your needs and the capabili­ties of your software. The most common ways include placing print­ing codes in your document, using a programming language such as BASIC, and giving print commands as part of the printing instruc­tions for your software.
1::) j, <:I fi
Often the SelecType feature is the easiest way to choose print modes on the LX-80. This feature changes the function of the three buttons on top of your printer-ON LINE, FF, and LF. After turn­ing on the SelecType mode, you can use the buttons to choose one or more of six separate functions. The functions include five typestyles and a reset code.
15
Table 2-1 shows the typestyles you can print with SelecType, and-as you will learn later in this chapter-you can combine some of them.
Table 2-1. SelecType modes
1
NLQ
2
Emphasized
3
Double-strike
4
Compressed
Elite
5
ABCDEFGHIJKL,MNopqrst,uvwxyz
ABCDEFGH I JKL.MNop qrstUswx yz
0 Ix:: 1:) 1.: F” G I.-I :I ;I kECDEFSHIJKLnN@pqrstuvwxyz
ABC~EFGHIJKt.MNopqrstL~~~~I~~~~
K
l... PI Iv (::I /z:, Cl I’” !iii t, L.1 v w 2: y
z
SelecType lets you use the Epson typestyles in Table 2-1 and combinations of those styles even if your word processing or business program does not support all of them. SelecType also lets you make print style choices when you print rather than when you edit. If you
would like a memo or letter to be in the NLQ mode, a few taps on the panel buttons tell your printer what you want, and you don’t have to re-edit the document to put in print codes.
SelecType is also handy for selecting narrow pitches to put more
characters on a line. If you find that your spreadsheet would be too wide for a single page in pica, with SelecType you can choose com­pressed to fit over 130 characters on a line or compressed elite for
over 150 characters. In addition, you undoubtedly will have your own uses for this feature.
Using SelecType is a simple four-step process:
1) Enter SelecType mode.
2) Select a print function.
3) Set the function.
4) Exit SelecType mode.

Turning SelecType Mode On

To turn on SelecType make sure that the printer is turned on (with the POWER, READY, the top two buttons on the panel (ON LINE and FF) at the same time, as illustrated in Figure 2-1. The LX-80 will beep to signal that it is in SelecType mode. The READY light also turns off, and the ON
LINE light begins flashing. Now that your printer is in SelecType
16
and ON LINE lights all on), and then press
mode, all the panel buttons have new functions (also shown in Figure
2-1).
Exit
Figure 2-1. SelecType setting and functions
In SelecType mode, the ON LINE button selects printing func-
tions, the FF button sets the functions, and the LF button turns SelecType off, returning the panel buttons to their former operation.

Using SelecType

Once you have turned on SelecType, you select the print functions you want according to Table 2-1. The mode number is the number of times you press the ON LINE button to select each function.
After you press the ON LINE button the required number of
times, press the FF button to set your selection. Then press the LF button to turn off SelecType and return all the panel buttons to their standard operations.
17

First SelecType Exercises

For practice in using SelecType, try setting emphasized mode. First turn the printer off and back on with the switch on the right side of the printer. Then press the ON LINE and FF buttons at the same time. The LX-80 beeps to tell you that it is in SelecType mode, the READY light turns off, and the ON LINE light begins blinking. Then press the ON LINE button two times to select emphasized.
(The printer beeps each time you press the ON LINE button in SelecType mode.) After that, press the FF button once to set the function.
You have now set emphasized mode. Next, press the LF button
once, and your panel buttons return to their normal operation, but your printer is in emphasized mode. Since this is only an exercise, turn the LX-80 off and back on again to cancel all settings and prepare for the next exercise.
You will probably use SelecType with commercial software as well as with BASIC or another programming language, but for now try a simple exercise using BASIC. You don’t need to know anything about programming for this exercise. It is merely for practice. If your computer system does not include BASIC or if you would rather not use it, skip to the next section.
Type the short BASIC program listed below:
10 LPRINT
20
LF’RINT
3d3
LPRINT
Next, print a listing of the program using LLIST or your computer
system’s print listing command. Your LX-SO prints your program in ordinary single-strike pica, program.
11. $j/,
;:.:I 1.2 ‘,I I;?, ‘!’
I,
p
,i i;;‘l ::y,;;q \ I’.‘,:( ‘(,I;..,\ yti
Now that you have a sample program to list, follow these simple
steps to print your listing in compressed mode:
1) See that both the ON LINE light and the READY light are on.
2) Press the ON LINE and FF buttons at the same time. You hear a beep to signal that SelecType is on.
18
I’,: 1,: /i ..,, “i
"This is a sample program."
“Notice
"and darkness of the print. "
” ‘i’j-, j, .,:. ;,
” f.,ji 1i.t. :j i: i;?
ill ,,,“, ij.J -
the size I’ ;
as illustrated below in our sample
;::,
j. x;;;. .,
I. .I <:? p
i.;. ;:;I, (g ,:;I 1. i’””f> r <::I <:;I te ;?a, if’! .:
.k, 1
,
(:;+!; j j, 1:
.-I .._ ._. ._
k:,
, , “”
‘y.:. :::‘.
f., .:”
(.;+
,k, p, (2p
I;
12. yi. j-, .k. ” ”
3) As you can see in Table 2-1, the code for compressed is four. Therefore, press the ON LINE button four times. (Remember that you hear a beep each time you press the ON LINE button when you are in SelecType mode).
4) Now that you have selected compressed, push the FF button once to set that mode.
5) Push the LF button once to return the panel buttons to their standard functions.
Now you have set the LX-80 to print in compressed mode. Merely push the ON LINE button to put your printer back on-line and list your program once more. It should print in compressed mode just as in our example below:
Turn your printer off to cancel the compressed setting, and if you
wish, try this exercise with other modes.

Testing Your Software for the Reset Code

A few commercial software programs clear all previous modes by resetting the LX-SO before printing each document. Of course, this resetting wipes out whatever you have done with SelecType. But don’t worry if your software resets the printer; you can still use SelecType. In Appendix F we tell you ways around the problem.
Since only a few programs reset the LX-80 before printing, you probably won’t have this problem. The following test tells you for sure. First, use your word processing or business program in the normal way to create a short file or document of the type you usually
print.
After you have created a file or document, print it in the usual way. Save this first copy for comparison with the next versions you print. Your test can be as simple as our example below, a two-line docu­ment created with a word processor and printed with its standard print command.
Now set your LX-80 for elite printing using the following steps.
19
1) See that both the ON LINE and READY lights are on.
2) Press the ON LINE and FF buttons at the same time.
3) Press the ON LINE button five times (the code for elite). You should hear a beep each time you press the button.
4) Press the FF button to set elite.
5) Press the LF button to leave SelecType and return the panel but-
tons to their standard functions.
Now press the ON LINE button and print your file again, using
exactly the same command that you used before. If your document
comes out in elite as in our example below, you can forget about
resetting codes and continue to use SelecType as described above.
If your example is once again printed in pica, turn your printer off and back on. Then try the steps above one more time to be sure that you made no mistakes. If your printout is still in pica after the second
test, turn to Appendix F for an explanation of how to solve the
problem.
Now that you know the basics of using SelecType, all you need to
learn is how to combine modes and how to avoid unexpected results with SelecType.

Mode Combinations

In addition to the five typestyles available with SelecType, there are also many combinations of those five that you can use. Table 2-2 shows which modes can be combined. An X in a box indicates that the two modes can be combined.
20
Table
2-2.
Mode combinations
I
I
/
I
I
I
To combine modes you simply select and set more than one mode before you press the LF button to leave SelecType. After beginning the procedure in the normal way and pressing the ON LINE button to select a function and the FF button to set it, you do not press the LF button. Instead, you press the ON LINE button the required number of times to select another mode and set that mode with the FF button. When you have selected and set all the modes you want, press the LF button to leave SelecType.
Don’t worry about harming your printer if you try to combine two modes that the LX-80 can’t mix. Your settings cannot damage the printer because it is prepared for the possibility of receiving codes for conflicting modes. If it receives codes for two modes that it can’t combine, it uses only one of the codes.
The essential element in combining modes is keeping a correct count of the number of times you press the ON LINE button. You do not start counting again after you press the FF button the first time. Instead, you continue the count. Therefore, pressing the ON
LINE button three times, then the FF button, then the ON LINE button two more times and the FF button again gives you a combina­tion of double-strike and elite. The first pressings of the ON LINE
button select double-strike and the next two give a total of five, which is the number for elite. The number of times you press ON LINE is
cumulative.
J
For another example, follow these steps to combine NLQ with
emphasized for a crisp, bold effect:
1) See that the ON LINE and READY lights are on. Then press the ON LINE and FF buttons at the same time.
21
2) Press the ON LINE button once and then the FF button once. Since one is the code for NLQ, you have now set the LX-80 for that mode.
3) Press the ON LINE button one more time and then the FF button once. This makes a total of two times, and thus sets the
LX-80 for emphasized also.
4) Press the LF button to return the panel buttons to their stan- dard functions.
Now press the ON LINE button and print your document. If
your printing appears in
emphasized Near Letter Quality
as you see here, you have successfully combined the two modes. If you get any other results, turn your printer off and back on (to
reset it) and then try the steps again.

SelecType Cautions and Tips

Once you have learned the simple technique for controlling print styles with the panel buttons, you can use it whenever you wish. You should be aware of two minor restrictions, however.
l SelecType is designed to control the printing of an entire file or
document, not an individual line or word. To print a single word in an enhanced mode, use one of the other print control methods listed at the beginning of this chapter.
l If there are print codes in the document or file you are printing,
those codes override your SelecType settings. This seldom hap­pens, since most people use SelecType on files that don’t have print codes, but remember that if your LX-80 follows the Selec­Type
instructions for only part of a document, you may have print
codes in the document that are conflicting with the SelecType
modes.
Remember that any mode you turn on with SelecType stays in effect until the printer is turned off or receives a cancelling or reset code. Turning off the printer is the simplest method to cancel the modes you have set, but if you want to learn how to cancel them by using SelecType, turn to the section called Cancelling Functions with SelecType in Appendix F.
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