Printer User Manual
Table Of Contents
- FRONT MATTER
- TABLE OF CONTENTS
- INTRODUCTION
- CHAP 1-SETTING UP THE PRINTER
- CHAP 2-PAPER HANDLING
- CHAP 3-USING THE PRINTER
- CHAP 4-USING SOFTWARE AND GRAPHICS
- Using the LQ-2550 With Application Programs
- Computer-Printer Communication
- Enhancing Your Printing
- Graphics
- User-Defined Characters
- Designing Your Characters
- Design Grids
- Data Numbers
- Sending Information to Your Printer
- Printing User-Defined Characters
- Copying ROM Characters to RAM
- Letter Quality Characters
- Proportional Mode Characters
- Superscripts and Subscripts
- The Graphics Command
- Column Reservation Numbers
- A simple Graphics Program
- Using Hand-Calculated Data to Print Graphics
- Using Software and Graphics
- Mixing Print Styles
- CHAP 5-MAINTENANCE AND TRANSPORTATION
- CHAP 6-TROUBLESHOOTING
- Troubleshooting
- Problems and Solutions
- The Printer Does Not Print
- The Printer Stops Printing
- The Printout is Spaced Incorrectly
- The Printout is Faint or Uneven
- The Printout is Not what You Expect
- Single Sheets Do Not Feed Properly
- Continuous Paper Does Not Feed Properly
- Cut Sheet Feeder Does Not Load Paper Correctly
- The Short Tear-Off Feature Does Not Work Properly
- Color Printing Is Not What You Expect
- Data Dump Mode
- CHAP 7-USING PRINTER OPTIONS
- CHAP 8-COMMAND SUMMARY
- APPENDIX A-TECHNICAL SPECIFICATIONS
- GLOSSARY
- INDEX

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:
“Television Interference Handbook.”
This booklet is available from the U.S. Government Printing Office, Washington, DC 20402. Stock No.
004~00&00450-7.
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. If this equipment has more than one interface connector, do not leave cables
connected to unused interfaces.
IMPORTANT NOTICE
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.
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
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