LQ-2550
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User’s Manual.
_____--.---
EPSON”
.
Y465ss127mo
®
EPSON
LQ-2550
User’s Manual
FCC COMPLIANCE STATEMENT
FOR AMERICAN USERS
This equipment generates and uses radio frequency energy and if not 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 Class B
computing device in accordance with the specifications in Subpart J of part 15 of FCC Rules, which are
designed to provide reasonable protection against such interference in a residential installation.
However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause interference to radio or 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 the receiving antenna
-
Relocate the printer with respect to the receiver
-
Plug the printer into a different outlet so that the printer and receiver are on different branch
circuits.
If necessary, the user should consult the dealer or an experienced radio/television technician for
additional suggestions. The user may find the following booklet prepared by the Federal
Communications Commission helpful:
This booklet is available from the U.S. Government Printing Office, Washington, DC 20402. Stock No.
004~00&00450-7.
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. If this equipment has more than one interface connector, do not leave cables
connected to unused interfaces.
Seiko Epson Corporation and its affiliates (“Epson”) specifically disclaims all liability for problems and
all damages which may result from the combination or use of Epson printers with software, hardware
product options, such as interface boards, or other items not supplied by Epson or otherwise designated
by Epson to be compatible with Epson printers. Epson further specifically disclaims all liability for
problems and all damages which may result from the unauthorized alteration or modification of Epson
printers, whether or not such alteration or modification is accomplished by software, hardware or other
means.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, mechanical, photocopying, recording or otherwise, without
the prior written permission of Seiko 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, Seiko 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.
Epson America, Inc. 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.
“Television Interference Handbook.”
WARNING
IMPORTANT NOTICE
Epson is a registered trademark of Seiko Epson Corporation.
IBM is a registered trademark of International Business Machines Corporation
Microsoft is a registered trademark of Microsoft Corporation.
Copyright © 1988 by Seiko Epson Corporation
Nagano, Japan
ii
Table of Contents
Introduction
Features
Options
About This Guide
Where to Get Help
1
Setting Up the Printer
Unpacking the Printer
Choosing a Place for the Printer
Assembling the Printer
Testing the Printer
Connecting the Printer to Your Computer
Setting Up Your Application Software
2
Paper Handling
Using Single Sheets
Using Continuous Paper
Switching between Continuous and Single Sheets
Printing on Special Paper
3
Using the Printer
Operating the Control Panel
SelecType Settings
Page Length
Skip Over Perforation
Setting the Loading Position
Short Tear-Off
Selecting Typestyles
Choosing an International Character Set
Choosing a Character Table
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1-1
l-2
l-6
l-7
1-15
l-22
1-27
2-1
2-2
2-5
2-16
2-22
3-1
3-2
3-8
3-26
3-28
3-30
3-31
3-33
3-39
3-40
Using Software and Graphics
Using the LQ-2550 with Application Programs
Computer-Printer Communication
Enhancing Your Printing
Graphics
User-Defined Characters
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4-1
4-2
4-5
4-7
4-12
4-23
Maintenance and Transportation
Cleaning the Printer
Replacing the Ribbon
Transporting the Printer.
Troubleshooting
Problems and Solutions
Data Dump Mode
Using Printer Options
The Cut Sheet Feeder
The Pull Tractor
Interface Boards
The Multi-Font Module
Command Summary
Commands in Numerical Order
Commands Arranged by Topic.
Appendix A
Printer Specifications
Double-Bin Cut Sheet Feeder Specifications.
Interface Specifications
Initialization
Default Settings
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5-1
5-2
5-3
5-7
6-1
6-2
6-6
7-1
7-2
7-21
7-33
7-45
8-1
8-5
8-8
A-l
A-2
A-6
A-9
A-13
A-14
Appendix B
Proportional Width Table
Character Tables
Glossary
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Index-l
iv
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B-1
B-2
B-6
GL-1
Introduction
The LQ-2550 is the latest in the Epson@ line of advanced 24-pin impact
dot matrix printers, combining high performance and reliability with a
wide range of features.
Features
In addition to the high-quality printing and ease of operation you have
come to expect from Epson printers, the LQ-2550 offers the following:
An improved control panel design that allows direct selection of all
of the printer’s main features, such as character font and pitch as well
as normal or condensed printing.
An advanced paper handling system that allows you to easily switch
between single sheets and continuous paper by pressing the
appropriate panel buttons. The LQ-2550 automatically detects the
thickness of the paper you load, so optimum printing results can be
easily achieved with various types of paper. You can use single sheets
without removing the continuous paper, or you can use continuous
paper even while the optional Cut Sheet Feeder is installed.
A tear-off feature that saves paper. After you tear off the latest sheet
printed on continuous paper, the printer feeds the paper back to the
loading position so that you can use all of the next sheet.
Multi-part forms that consist of up to six parts (5 copies plus the
original) can be printed. You can also print on labels and envelopes.
A micro-adjustment feature that allows you to feed the paper
forward or backward in 1/180th of an inch increments to finely
adjust the top of form, loading, and short tear-off positions.
The following seven built-in Letter Quality fonts are provided for
producing high-quality documents:
Roman, Sans Serif, Courier, Prestige,
Script, OCR-A, OCR-B
Introduction
1
Two additional Letter Quality fonts are available with the
optional Multi-Font Module: ORATOR and ORATOR-S
Draft mode with fast printing of up to 333 characters per second
in 10 cpi (characters per inch), and 400 characters per second in
12 cpi.
Color printing in seven colors with a color ribbon (included).
With suitable graphics software, you can mix colors within a line
or even print screen dumps in color.
Compatibility with the Epson ESC/P commands used by the
LQ-1500, LQ-800, LQ-1000, LQ-2500, LQ-850, LQ-1050 and LQ500 printers.
Options
A variety of printer options is available for use with your LQ-2550
printer. For detailed information on the installation and use of these
options, see Chapter 7.
Double-Bin Cut Sheet Feeder (#7343)
The cut sheet feeder gives you easier and more efficient
handling of single sheet paper or envelopes. Up to 150 sheets of
standard bond paper in each of the two bins can be
automatically fed into the printer without reloading.
Pull Tractor Unit (#7314)
This option improves the performance of continuous paper
handling. It is especially useful with continuous multi-part
forms.
Ribbon Cartridges (#7762, #7763, #7764)
There are two types of ribbon cartridges in addition to the
standard black ribbon cartridge (#7762). Included with your
printer are the standard black ribbon cartridge (#7762) and the
color ribbon cartridge (#7763). The film ribbon cartridge (#7764)
provides you with even higher-quality printing.
Multi-Font Module (#7407)
This adds two Letter Quality fonts ORATOR and ORATOR-S.
2
Introduction
LQ Printer Software (DCB-LQ2)
This package features a driver and high-resolution fonts for use
with Microsoft@ Windows Presentation Manager version 2.0 and
Windows/386 Presentation Manager. It lets you use your Epson
LQ printer to print pages created under the Microsoft Windows
operating environment.
Optional Interface Boards
A
number of optional interface boards can be used to supplement the
LQ-2550’s built-in parallel and serial interfaces. Guidelines for
choosing the right interface and instructions on installing the boards
are given in Chapter 7.
About This Guide
This
user’s guide provides fully illustrated, step-by-step instructions for
setting up and operating the LQ-2550 printer.
l
Chapter 1 contains information on unpacking, setting up, testing,
and connecting the printer, so be sure to read and follow the
instructions in this chapter first.
l
Chapters 2 and 3 include important information on paper handling
and general printer operation. This information is necessary for the
day-to-day operation of your printer.
l
Chapter 4 contains information designed to help you get the most
from your printer. This section includes advice on the use of
software, commands, graphics, and user-defined characters. Also,
see Chapter 8 for a summary of printer commands.
l
If the printer does not operate properly or the printed results are not
what you expect, see Chapter 6 for a list of recommended solutions.
l
Other chapters
and appendixes
contain information on general
maintenance, use of the printer options, and specifications. You will
also find a glossary of printer terms and an index.
l
At the back of this guide is a Quick Reference card with the
information you are likely to need most often.
Introduction
3
Conventions used in this guide
WARNlNG:
must be followed carefully to avoid damage to
your printer and computer.
Cautions:
should be followed carefully to ensure
that
your printer
operates correctly.
Notes: contain important information and useful tips on the operation
of your printer.
Where to Get Help
Customer support and service for Epson products are provided by a
network of authorized Epson Dealers and Customer Care Centers
throughout the United States. Epson America provides product
information and support to its dealers and Customer Care Centers.
Therefore, we ask that you contact the business where you
purchased your Epson product to request assistance.If the people
there do not have the answer to your question, they can obtain it
through our dealer support program.
Epson is confident that this policy will provide you with the
assistance you need.
Call the Epson Consumer Information Center at
l-800-922-8911
the following:
l
The location of the nearest Epson dealer
l
The location of the nearest Customer Care Center
l
Information on Epson User Groups.
To locate or purchase accessories or supplies, contact your nearest
Epson dealer or call
4
l-800-873-7766.
Introduction
for
Chapter 1
Setting Up the Printer
Unpacking the Printer
Removing the protective materials
Choosing a Place for the Printer . . . . . . . . . . . . . .
Assembling the Printer
Installing the platen knob
Installing the ribbon cartridge
Attaching the paper guide
Testing the Printer
Connecting to a power supply
Running the self test
Connecting the Printer to Your Computer
The parallel interface
The serial interface
Setting Up Your Application Software
Choosing from a menu
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1-2
1-2
1-6
1-7
1-7
1-9
1-12
1-15
1-15
1-16
1-22
l-22
1-24
1-27
1-28
Setting Up the Printer
1-1
Unpacking the Printer
As you unpack the printer, check that you have all parts shown below
and that none have been damaged during transportation.
Cabfe cover
Color
ribbon
cartridge
Paper guide
Ribbon cartridge
Platen knob
Cross-head screw driver
Power cable
5Y
Optional connector lock nuts
Removing the protective materials
The printer is protected during shipping by two screws, a print head
protector, and white foam packing material. These protective items must
be removed before you turn on the printer by following the steps below.
After removing these items, store them with the other packaging material
in case you ever need to transport your printer.
1-2
Setting
Up the Printer
Open the printer cover and raise it to an upright position; then lift it
1.
up and off.
2.
Open the paper guide cover as shown in the illustration. Then raise
the cover slightly and lift the cover away from the printer at a slight
upward angle.
Setting Up the Printer
1-3
3. Remove the print head protector and white foam packing
material.
Slide the print head all the way to the middle
4.
1-4
Setting Up the Printer
5. Using the enclosed cross-head screwdriver, remove the two red
transport screws as shown below.
6.
Align the pins of the paper guide cover with the slots on the printer
and attach the cover. Next, attach the printer cover.
Setting
Up the Printer
1-5
Choosing a Place for the Printer
There are several important things to consider when selecting a location
for your printer. The illustration below shows a good printer location.
Be sure to keep the following tips in mind:
l
Place the printer on a flat, stable surface.
l
Place the printer close enough to the computer for its cable to reach.
l
Leave adequate room around the printer to allow easy printer
operation and maintenance.
1-6
Setting Up the Printer
Use a grounded outlet - one that has three holes to match the
power plug on the printer. Don’t use an adapter plug.
Avoid locations that are subject to direct sunlight, excessive heat,
moisture, or dust.
Avoid using electrical outlets that are controlled by wall switches or
automatic timers. Accidental disruption of power can wipe out
information in your computer’s and printer’s memory.
Avoid using outlets on the same circuit with large motors or other
appliances that might disturb the power supply.
Keep the entire computer system away from potential sources of
interference, such as loudspeakers or the base units of cordless
telephones.
Assembling the Printer
After you have decided on a location for your printer, it is necessary to
install the platen knob, the ribbon cartridge, and the paper guide.
Installation instructions for these three components are given below.
Installing the platen knob
After you have decided on a location for your printer, the first step in
setting it up is to install the platen knob.
You will find the platen knob packed in an indentation in the white foam
packing material.
Setting Up the
Printer
1-7
1. Insert the platen knob into the hole on the printer’s side and rotate it
until it slips onto the shaft.
2.
Press firmly on the knob until it fits against the printer case.
Caution:
interferes with the automatic paper loading system and may cause a
paper
loaded, use the micro-adjustment feature described in the section on
setting the loading position in Chapter 3.
1-8
Using the platen knob to adjust the position of the paper
jam.
If you need to adjust the position of the paper after it is
Setting Up the Printer
Installing the ribbon cartridge
Your printer’s ribbon cartridges are designed for easy installation and
removal. The color ribbon cartridge, standard black ribbon cartridge,
and optional film ribbon cartridge are all installed in the same way. (A
color ribbon cartridge and standard black ribbon cartridge are included
with your printer.) Install any of these ribbon cartridges as follows:
1.
Open the printer cover and raise it to an upright position; then lift it
up and off.
2.
Open the paper guide cover as shown in the illustration. Then raise
the rear of the cover slightly and lift the cover away from the printer
at a slight upward angle.
Setting
Up the Printer
1-9
Slide the print head to the middle of the printer.
3.
Turn the ribbon-tightening knob on the ribbon cartridge in the
4.
direction of the arrow.
1-10
Setting Up the Printer
5.
Hold the ribbon cartridge while gently squeezing the two ridged
plastic tabs together; then lower it until it snaps into place. The side
hooks in the printer should fit into the slots on each side of the
ribbon cartridge.
6.
Turn the ribbon tightening knob again to make sure the ribbon
moves freely.
Setting Up
the
Printer
1-11
7.
Slide the print head from side to side to make sure
smoothly. (Do not try to slide the print head by grasping the ribbon
cartridge.)
that
it moves
Attaching the paper guide
When you use single sheets, the paper guide functions to feed the paper
smoothly and efficiently into the printer. Attach the paper guide using
the following procedure.
Setting Up the Printer
1. Insert the paper guide pegs into slots on the printer.
2.
Lean the paper guide back until it slips into place.
Setting Up the Printer
1-13
Align the pins of the paper guide cover with the slots
3.
and attach the cover.
Close the paper guide cover.
4.
on
the printer
1-14
Setting Up the Printer
5. Attach the printer cover.
Testing the Printer
At this point, you
can
use the built-in self test function to see that the
printer is working correctly even though it is not yet connected to a
computer.
Be sure to perform this test to make sure that your printer was not
damaged during shipping and to ensure that the ribbon is correctly
installed.
Before running the self test, you need to connect your printer to a power
supply and load a sheet of paper.
Connecting to a power supply
Before plugging in your printer, be sure that:
l
The platen knob is installed.
l
The ribbon cartridge is installed.
l
The paper guide is attached.
l
The paper guide cover is attached.
l
The printer cover is attached.
l
The power switch on the left side of the printer is turned off.
Setting Up the Printer
1-15
To plug in your printer, simply connect the power cable to the AC inlet
on the printer’s rear panel. Then plug the power cable into a properly
grounded electrical outlet.
Running the self test
The self test can be run in draft mode or Letter Quality mode, depending
on which button you hold down as you turn on the printer. With the
color ribbon cartridge installed, the self test prints in seven colors (black,
magenta, cyan, violet, yellow, red, and green).
Before running the self test, be sure that:
The power cable is connected to a properly grounded electrical
l
outlet.
The printer is turned off.
l
Note: Run the self test using paper that is at least as wide as standard
letter-size paper (8% inches).
1-16
Setting Up
the Printer
1.
While holding down the
FEED
button (Letter Quality mode), turn on the printer. The printer
beeps three times and the
2.
Press the
PAPER SELECT
LINE FEED
POWER
button (draft mode) or the
and
PAPER OUT
button until the
lights come on.
o PAPER OUT
FRICTION
light comes on.
FORM
Setting Up the Printer
1-17
3.
Move the left edge guide until it rests against the guide mark.
4.
Adjust the right edge guide to match the width of your paper.
Next, slide a sheet down between the edge guides until it meets
resistance.
Run the self test using paper wider than A4 size (8.27 inches).
1-18
Setting Up the Printer
5.
Press the
6.
Press
LOAD/EJECT
the
ON LINE
button once to automatically load the paper.
button to start
the self
test.
Setting Up the Printer
1-19
Note: To clear a paper jam, it is recommended
off line and
to use the platen knob to clear the jam, be sure to turn the printer off
first.
7. A list of your printer’s settings is printed first, followed by a series of
characters. The self test continues until the paper runs out or you
press the
If
press the
8.
If paper is still loaded, press the
turn off
use
the
FORM FEED
ON LINE
the
self test results are satisfactory and you wish to stop the test,
ON LINE
the
button.
button.
printer.
or
LINE FEED
LOAD/EJECT
that
you set the printer
button. If it is necessary
button to eject it.
Then
1-20
WARNING: After you turn off the printer, always wait at
least five seconds before you turn it back on. Rapidly
switching the printer on and off can damage the printer.
Setting Up the Printer
Part of a typical self test in Letter Quality mode with a black ribbon
installed is shown in the following sample printout.
Self test in Letter Quality mode
Current setting
FONT
PITCH
CONDENSED
Roman
lOCPI
Off
FORM LNG
Tractor
CSF
bin1
,CSF bin2
1 "SKIP
AUTO TEAR OFF
LEFT MARGIN
RIGHT MARGIN
CC
TABLE
COUNTRY
py
k--
-a/O1234567
,k/O12345678
-./0123456789
66LINE
132LINE
132LINE
Off
Off
0
136
Italic
USA
Bi-d
Courier
10123456785:;
jO123456789
<=>?@ABCDEFGHIJKLMNOPQRSTUVWX:
:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXY:
Note: When a black ribbon is installed, some lines of the self test
are printed in double-strike mode. Also, when the optional cut
sheet feeder is installed, the self test printout is slightly different.
For details, see the section on the cut sheet feeder in Chapter 7.
Setting Up the Printer 1-21
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