Q1: What kind of paper can the LC 24-20 printer work with?
A1: The printer can work with cut sheets, continuous fanfold forms, multipart forms, forms with preprinted variables, and also with labels.
Q2: What do I do to change those default settings of the printer?
A2: Default settings can be changed with the use of Electronic DIP Switch (EDS) mode.
Q3: What is the maximum printing speed of this particular printer?
A3: The maximum printing speed for the High-Speed Draft printing mode is around 210 characters per second (CPS) at 10 pitch.
Q4: Does the LC 24-20 printer support the use of optional accessories?
A4: Yes, the printer supports the use of optional accessories, such as font and RAM cartridges and automatic sheet feeders.
Q5: Is there a chance this printer can be used to print graphic designs?
A5: Absolutely, this printer has the ability to print graphics with a resolution of 360 x 360 dots per square inch which is considered standard for graphic printing.
Q6: What action can I take if my printer is having trouble giving out correct prints?
A6: For concerns such as these, you should check the maintenance section of the manual as it contains troubleshooting guidelines. If the problem remains, please get in touch with an authorized service center.
User Manual
USERS MANUAL
LC
DOT MATRIX PRINTER
ZBA
80825525
24
-20MULTI-FONT
Self Declaration
Radiointerferenceregarding this equipmenthas been eliminated accordingto Vfg1046/1984announced
by the DBP.
DBP has been informed of the introduction of this special equipment and has been granted the right to
examine the whole series.
It is the user’s responsibility to see that his own assembled system is in accordance with the technical
regulations under Vfg 1046/1984.
To conform to FTZ-regulations it is necessary to make all connectionsto the printer with shielded cable.
The equipment may only be opened by qualified service representatives
The above statement applies only to printers marketedin Germany
However,should any errors be detected, STAR would greatly appreciatebeing informed ofthem.
● The above notwithstanding, STAR can assume no responsibility for any errors in this manual.
O Copyright 1991Star Micronics Co., Ltd.
HOW TO USE THIS MANUAL
Thismanual isorganized intoeleven chapters. To learnhow tomake the best
use of your printer you are urged to read through chapters 1 through 6.
Chapters 7 through 11maybe treated as a reference guidefor programming
operations, etc. It assumes a degree of knowledge of the operation of
computers. The chapters are as follows:
Chapter 1— Introduction
This chapter indicates the primary features of your printer, the names and
functionsofthe printer components, and an actual example of the many font
styles that your printer can produce.
Chapter 2 — Setting Up the Printer
This chapter explains how to get the printer unpacked and set up. Read this
chapter before you do anything else.
Chapter 3 — Paper Installation and Use
This chapter describes the instructions for printing such as selecting paper
types, adjusting the printing gap, and installing paper.
Chapter 4 — Control Panel Operations
There are a number of controls on the front panel which perform various
functions related to paper handling, print modes and font selection.
After performing the setup of the printer, read this chapter and try out the
procedures to find out how the printer works.
Chapter 5 — Default Settings - EDS mode
This chapter explainshow to set the Electronic DIP Switch (EDS) mode to
make your printer match your system and software needs.
Chapter 6 — Troubleshooting
This section shows a list of check points to follow if your printer is not
working properly. It also includes details of some routine maintenance
operations you can perform yourself. It isnot, however, a complete service
manual. Call your authorized service center if you are unsure of your ability
to carry out any maintenance or servicing operations on the printer.
Chapter 7 — Optional Accessories
This chapter explains the optional accessories that are available for your
printer, and how to install and use them.
Chapter 8 — Printer Control Commands
This chapter explains the different emulations provided by your printer, and
the software commands that are used to drive it. This sectionis of use if you
arewritingormodifyingprogramstotakeadvantageofthe printer’s features.
Chapter 9 — Download Characters
This chapter explains the procedures to create your own characters.
Chapter 10— MS-DOS and Your Printer
Since the PS/2 or PC-AT family of computers running under MS-DOS is
currently the most popular configuration of microcomputer, we have included a few hints and tips to help you use your printer with such systems.
Sincevirtuallyall PCs are sold with a Microsoft BASIC interpreter, we have
also included some hints, and a sample program in this language to demonstrate the capabilities of the printer.
Chapter 11— Reference
This section provides references for your printer, such as specifications, the
pinout of interface connector, and the character tables.
The character table charts give the different character sets available.
Font Cartridges and RAM Cartridges
Interface Converter
DIP switch functions on the Converter
Chapter 8 PRINTER CONTROL COMMANDS
Font control commands
Character set commands
Character size and pitch commands
Vertical position commands
49
49
50
57
65
65
66
68
70
71
71
73
75
78
79
81
82
87
90
96
Vertical position commands
Horizontal position commands
Graphics commands
Download character commands
Other printer commands
96
104
109
113
117
Chapter 9 DOWNLOAD CHARACTERS
Defining your own characters with Standard mode
Assigning the character data
Assigning a value of character space
Sample program
Defining your own characters with IBM mode
Assigning the download character set
Assigning the character dot pattern
Assigning the Index Table data
Sample program
Chapter 10 MS-DOS AND YOUR PRINTER
Programming the printer with DOS commands
Programming with BASIC
Chapter 11 REFERENCE
Specifications
of interface connector
Pinout
Parallel interface
Serial interface
Character sets
Standard character set #2
International character sets
IBM character set #2
Character set #1
IBM special character set
Proportional spacing table
121
121
122
123
124
126
126
127
129
130
133
133
136
143
143
147
147
148
149
150
152
153
160
161
162
INDEX
COMMAND SUMMARY
173
177
I
chapter1
INTRODUCTION
Thisprinterhas afullcomplement of features, making it an excellent partner
for a personal computer. It supports the EpsonlIBM printer commands and
character sets, enabling it to print just about anything your computer can
generate, both text and graphics.
The selectionofpaper you can use is as varied as the types of documents you
can produce. This printer accepts any of the following papers:
● Single sheets (cut forms) and stationery
s Fanfold forms (continuous forms)
● Multi-part forms
● Preprinted forms
● Labels.
This Multi-font printer has the following resident (internal) fonts which you
can print:
● Draft
● Sanserif
● Script
● High-Speed Draft ● Roman
● Courier
● Prestige
In addition, you can print wide variation of fonts by using optional Font
Cartridges.
The control panel has five buttons and oneLCD display. The LCD displays
and beep tones provide immediate, easy to understand feedback when you
press the buttons on the control panel.
The fivebuttonscan operate incombinations to perform a surprising variety
of functions, including saving a macro.
The Paper Parking function enables you to keep fanfold forms parked in
readiness while printing on single sheet paper.
To get acquainted with the printer’s components and capabilities,refer to the
information on the pages that follow.
PRINTER COMPONENTS
Entry,slot
ver
[ridge
slot
Power
2
Pr’inthead
I
/
Control panel
‘\
... +,.
\
Interface connector
-—___
.“’
Component
Description
Paper guide
Release lever
Front cover
Mute cover
Rear cover
Entry slot
Control panel
Power switch
Platen knob
Interface connector
Cartridge slot
Alignssinglesheets(cutforms) to help the printer
detect when paper is inserted.
Releasespressureon the paper. This lever must be
back for cut-sheet forms ( ~ ), and forward for
fanfold forms ( ~ ).
Protects the print head and other internalcomponents of your printer.
Reduces the printing noise.
Protectsthetractorfeed unit and separates incom-
ing and outgoing fanfold forms.
For inserting single sheets of paper.
Indicatesprinter status and makes various control
of printer functions simple and convenient.
Switches power on or off.
Advances the paper manually.
Connects the computer to the printer.
Holds the optional Font cartridge or RAM car-
tridge.
Print head
Ribbon cartridge
Adjustment lever
Tractors
Clamp lever
Bail lever
Has”ahigh resolution dot matrix (24-wire) com-
position for outstanding print quality.
Contains the printer ribbon.
Controlsprintdarkness by adjusting for the thick-
ness of forms being printed.
Control the movement of fanfold forms.
Clamps the tractor in place.
Opens and closes the paper bail which holds the
paper against the platen.
Thisleverisalsousedtoloadpaperand to perform
the shorttear off function.
3
SUMMARY OF PRINTER FEATURES
Feature
Dot matrix (24-wire)
impact printing
Extensive software
support
AEC mode
Multi-font support
Carriage size
Multi-speed printing
Function
High-Speed Draft, Draft and Letter-Quality printing.
Itiscompatible with the Epson and IBM standard,
and works with any software that supports those
printers.
Auto Emulation Change (AEC) mode isprovided
toselecttheproperemulation modeautomatically
sent from your program.
This printer includes HS-Draft, Draft, Roman,
Sanserif, Courier, Prestige, and Script fonts.
In addition, you can print wide variation of fonts
by using optional Font Cartridges.
Astandardcarriagethatprintsonfanfold forms up
to 254 mm (10 inches) wide and cut forms up to
279.4 mm (11 inches) wide.
In High-Speed Draft mode, prints at speed up to:
● 210 CPS (Characters per second) in 10pitch
(CPI).
In Draft mode, prints at speeds up to:
● 240 CPS in 15pitch
● 192CPS in 12pitch
● 160CPS,in 10pitch
In Letter-Quality mode, prints at speeds up to:
● 80 CPS in 15pitch
● 64 CPS in 12pitch
● 53 CPS in 10pitch.
4
Feature
Function
Character spacing
LCD Control panel
Font/Pitch Lock
Quiet mode
Graphics printing
Paper parking
Print styles
Prints in 10, 12, 15, 17,20, and 24 CPI, aswell as
proportional spacing.
Button control for fonts, pitches, paper move-
ment, and paper park functions. LCD messages
indicate current status.
Ignores font and pitch selections sent from your
computer, and stays on the selected font and pitch
with the control panel.
Reduces printing noise by approximately 50%.
However, printing speed is also reduced.
Standard graphics printing with resolution of up
to 360
x 360 dots per square inch.
It also supports the NEC graphics commands.
Parks fanfold paper. You can print on cut sheet
paper without unloading the fanfold forms.
Highlighting capability with the following em-
phasis styles:
● Double-high ● Double-strike ● Double-wide
● Emphasized ● Italics
● (Werlining
● Shadow
● Underlining.
● Quadruple-high● Quadruple-wide
● Subscript● Superscript
● Outline
Tear off function
Multi-part forms
Ribbon cartridge
EDS mode
Fanfold forms can be tom off without advancing
blank forms.
Prints up to three-part forms.
Contains the printer ribbon.
Electronic DIP Switch (EDS) mode allows you to
easily change the default settings of your printer
to match your system and software needs.
5
I
11111111111111111
FONT STYLE EXAMPLE
The following example shows the many font styles your printer can print.
!“”’’1!..:;1:,:1.:11.”.,:.1!.:1(:1:‘t!,
Af~(::i.)t: <)b c de
A13CDE abc.de
ABCDE ABCDE
ABCDE abcde
flBCDE abcde
ABCDEabcde
ABCDE abcde
1234511111 11[11
ABCDE abcde
AHCDEabcxk
abcde
lllllll
—
6
Res i dentLQ fontsare:
Romancharacters,
Couriercharacters,
SCx.LPX.
Printp i t chesare:
P i capi t ch( 10 C~PI) , Elitepitch(12 CPI) ,
Semi-condensedPitch(1‘5 CPI) ,
Lmdmsd:1ite pitch(20CPI),
Normalproportional,
ch.a,qac...teti.
Sanserifcharacters,
Pr.es ~i g e
Cond:nsedpica pitch ([7 CPI),
Condensedproportional.
ch a r a c t c rs ,
Quad-sizMI.
Various1i neandcharacterspa c i ngs :
O
the rfeatur es :
txrmumm,mwcmm,mmwmwurMs~,
Emphasized,Doubl e-strike,1 fs 1 i cs,
Under1 i ni n=,~,
... -—..——.——.——
s u
P E R s c R 1 P T arids u B S c R I P T ~
Down 1oadcharacters:r r r r ‘aaasttrs *s
Dotgraphics:
UVE-i-l--lfi1ng ,
, —.—.
7
MEMO
chapter2
SETTING UP THE PRINTER
This chapter describes the following procedures to set up your new printer.
Ifyouhave
.
Printer placement
.
Unpacking the carton box
.
Mounting the platen knob
●
Installing the ribbon cartridge
.
Configure your software for the printer
optional accessories, refer to Chapter 7 after setting uptheprinter.
PRINTER PLACEMENT
Before you start setting upyour printer, make surethat you have a suitable
place on which to locate it. By “a suitable place”, we mean:
.
A firm, level surfacewhich is fairly vibration-free
.
Away from excessive heat (such as direct sunlight,heaters, etc)
●
Away from excessive humidity
.
Away from excessive dust
.
A steady power supply that is not subject to power surges should be
connected tothe printer. For example, do not connect itto the samecircuit
as a large, noise-producing appliance such as a refrigerator or an air
conditioner.
.
Make sure the line voltage is the voltage specified on the printer’s
identification plate.
.
Installthe printer where there issufficient room for thefanfold paper stack
and any paper being fed in or printed out.
.
If you are connecting your printer with a parallel interface, make sure that
thecable iswithin 2m (6ft) ofthe printer. An RS-232 connection usingthe
optional SPC-8K interface converter can be made over longer distances.
—
9
I
UNPACKING
AND INSPECTION
Nowcheckeach iteminthe box againstFigure2-1tomake surethatyou have
everything (there should be six items).
If any of these items are missing, contact your supplier.
FigureZ-l. Checktomakesure you haveallsixitems:1)Printer,2)Platenknob, 3) HlbbOn cartnage, 4j raper
guide,
5) Mute cover, and 6) User’s manual.
10
The optional accessories which you may have ordered with your printer are:
●
Film ribbon cartridge (FZ24)
.
Font cartridges (FC series)
.
RAM cartridge (RC-32Z, DC-32Z)
.
Serial-Parallel converter (SPC-8K)
.
Automatic sheet feeder (SF-10DS)
●
Pull tractor unit (PT-1OZS)
For details of the optional accessories, refer to Chapter 7.
11
I
SETTING UP
Place the printer in the desired location. and remove all packing material
from the printeras shown in Figure 2-2. This packing material isintended to
prevent damage to the printer while in transit.
Youwill want 10keepall the packing material. along withthe printer carton,
in case you have to move the printer to a new location.
Figure 2-2. Remove the packing material from the printer.
Installing the platen knob
The platen knob is packed into an accessory box with other accessories.
Align the knob on the platen shaft. which islocated on the rig~t-hand side of
the printer. Rotate the knob on the shaft before pushing the knob fully into
position.
P~atenknob
Figure 2-3. Installingthe platenknob
I
Removing the front cover
Open thefrontcover by 1ifting up the back cover usingthetwo grips on either
side. then remove the cover by pulling up (see Figure 2-4).
. .
e.. .
. .
.
-.
FlgUre Z-4. (Jpen the hont cover, and remove It by pulllng up
NOTE: You can keep the front cover installed on the printer, as shown in
Figure 2-5. But, in this case you must take care not to injure your
fingers with the tear assist edge.
Tear assist cdsze
Front
Figure 2-5. The front cover can stay on the printer
13
Installing the ribbon cartridge
Now install the ribbon with the following procedure.
1. Take the slack out of the ribbonbyturning the tensionknobon the ribbon
cartridge clockwise as shown by the arrow.
1
ension knob
I
Figure 2-6. Take out the slack of the ribbon by turning the tension knob on the ribbon cartridge.
2. Guide the ribbon between the print head and the silver print head shield,
makingcertainthatthespindlesonthecartridgeholder fit intothesockets
on the cartridge itself.
shield
Figure 2-7. Installing the ribbon cariridge
14
3. Make sure that the ribbon is positioned between the print head and the
print head shield as shown in Figure 2-8.
4. Take the slack out of the ribbon again by turning the tension knob.
r
Figure 2-8. Make sure that the ribbon is positioned correctly.
Installing the front cover
After you have installed the ribbon cartridge, re-install the front cover.
1. Insert the tabs into the slots on the printer case.
2. Swing down the rear of the front cover to close it.
Figure 2-9. Installingthe frontcover.
I
Installing the paper guide
Follow the procedure below to install the paper guide:
1. Insert the two slotson either sideof the paper guide into the two tabson
the rear cover.
2. Place the paper guide horizontally, as shown in Figure 2-10.
Figure 2-70. Installing the paper guide horizontally.
Installing the mute cover
Follow the procedure below to install the mute cover:
1. Insert the tab on theIeftside of the mute coverinto the hole on the front
cover.
2. Insert the other tab into the slot on the front cover.
3. Swing down backward to close the mute cover.
Figure 2-11. Install the tabs on the mute cover, then swing down to close it.
Leave the front and mute covers closed during normal operation. The cover
keeps outdust and dirt and reduces the printer’s operating sounds. Open the
cover only to change the ribbon or make an adjustment.
16
Connecting the interface cable
Connect the printer to your computer using a standard Centronics parallel
interfacecable. On a PS/2 or PC/AT-type computer, this means that you use
the25-pin D-typeconnector atthecomputerend, and the Amphenol-type 36pinconnector attheprinter end. The configuration of the printer’s connector
is given in Chapter 11 should you need a cable for connecting to another
computer.
If you need to connect to a serial port, use the optional Serial-Parallel
Corwerter, SPC-8K.
Follow the procedures below to connect the interface cable:
1. Turn off the power switch both the printer and the computer.
2. Connect the interface cable to the printer as shown in Figure 2
Make sure that you press the plug into the interface connector.
/
Interface connector
\/’”’”
\
~/y
$
*\/
\
12.
ti-
Figure 2-12. Connecting the interface cable
3. Move both clips inside the extended prongson the sidesof the plug until
you hear a click.
/
&“””””
\,/
Interface cable
“\
.,
$
y
/
‘\
&
‘
Figure 2-73. Move the clips until you hear a click
4. Connect the other end ofthe interface cable to your computer. Use your
computer instructions to attach the interface cable.
-1
4
17
I
Configuring your software for the printer
Most application software programs let you specify the type of printer you
areusing sothatthesoftware can take full advantage of theprinter’sfeatures.
Many of these software packages provide an installation or setup program
that presents a listof printers.
This printer is setup to emulate theEpson printer commands at the factory.
Ifyou want to emulate the IBM printer commands, you can select it with the
Electronic DIP Switch (EDS) mode.
Choose one of the following (in order of preference) according to your
selected Emulation mode.
I IYI Standard (Epson)mode / IBMrnodeI
1
Star LC24-20
2Star LC24-200
Epson LQ-860
3
4Epson LQ-850
5Star LC24-10
IBM PS/1 printer
Proprinter X24E
Proprinter 24P
I
You can also select one of NEC 24-wire printers to print graphics in the
Standard emulation mode.
Ifyoursoftwarepackage doesnotmention printersby name, but asksinstead
what features your printer is capable of, the most common questions are:
“Can your printer perform a backspace?” and “Can it do a hardware form
feed?”. You should answer “Yes” to both these questions.
Make surethatthe Electronic DIP Switch (EDS) issetfor the correct printer
emulation, and that you have also selected the appropriate character set.
(Refer to Chapter 5 for detailed information on the EDS mode.)
Ifyouareindoubtaboutthe configurationof your application software, seek
expert advice. Your software supplier will probably be your most qualified
reference.
Your printer accepts any of the following types of paper:
● Single sheets (cut forms) and stationary
Use the friction feed or the optional Automatic Sheet Feeder.
● Fanfold forms
Fanfold forms have holes along the sides and perforations between
thesheets.They are also called sprocketforms, continuous forms, or
just plain “computer paper”.
Printingon or neartheperforations of continuous fanfold forms may
reduce printingquality, misalign the fanfold forms, or cause a paper
jam.
● Multi-part forms
Youcan usemulti-part forms that have up to three parts includingthe
original. It isrecommended thatyou load multi-part forms usingthe
bottom feed slot with the optional Pull Tractor Unit.
Use pressure sensitive multi-part forms with both side edges glued
and a difference in thickness of 0.05mm or less between the side
edges.
● Labels
When printing labels,always selectthe type mounted on a continuous backing sheet with sprocket holes for use with a tractor.
Do not try to print labels as cut forms because labels on a shiny
backing sheet almost always slip a little.
Itisrecommended thatyou loadlabelsfrom the bottom feed slotwith
the optional PullTractor Unit.
19
NOTES:
1.
Never feed labels backward. Labels can easily peel off the backing
and get stuck
in the printer.
To remove labelsfrom the paper path after you finish printing, first
tear off the labels at a point before the paper slot.
2.Use labels only under normal operating conditions.
The labels are especially sensitive to temperature and humidity.
3.Do not leave labels loaded inthe printer between jobs. They curl
around the platen and may jam when you resume printing.
Figure 3-1 shows the recommended print area for each type of papers.
Perf[
Bottom of 0
Forms
Fanfold forms
9
0
75mm
(8mm for Bottom Feed) ~
1
J
18mm
Single sheets
17mm
r‘,
5mm
Figure 3-7. Recommended print area for acceptable papers
20
ADJUSTING THE PRINTING GAP
The distance between the print head and the platen can be adjusted to
accommodate different paper thicknesses. The adjustment lever is located at
the left side of the printer. Pushing the adjustment lever towards the rear of
theprinter narrows the gap; pulling ittowards the front of the printer widens
the gap.
There are five positions, and you can feel the lever clicking into each
position.The secondposition from the rear (marked with “*”)is the one most
commonly used for single sheets of paper.
Try different positions until you get the best printing results.
NOTE: Printing with an inappropriate gap may drastically shorten the life
of the print head.
L
Figure 3-2. Location of the adjustment lever.
The following table provides the recommended lever positions for each
paper typesas a reference.
Recommended
Lever position
2nd or 3rd
‘aPer ‘Ype
Single
Weight
(Each paper)
52-90glm’
Thickness(mm)
(Total)
0.07-0.12
(14 -24 Ibs)
2-ply
40-56g/m2
0.11-0.15
2nd or 3rd
(11 -15 Ibs)
3-ply
40-56g/m’
0.18-0.23
3rd or 4th
(11 -15 lbs)
21
LOADING FANFOLD FORMS
This printer accepts fanfold forms up to 10”wide.
This printer can feed fanfold forms either from the rear or from the bottom
of the printer, as shown in Figure 3-3,
Figure 3-3. Paper path for fanfold forms
This section will take you through the procedures for loading, parking and
unparking fanfold forms from the rear of the printer.
If you want to feed paper from the bottom, you must use the optional Pull
Tractor Unit, (Refer to Chapter 7.)
22
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