Epson ActionPrinter L-1000 Manuel utilisateur

LQ-500 L-1000

TECHNICAL MANUAL

EPSON

FCC COMPLIANCE STATEMENT

FOR AMERICAN USERS

This equipment uses and generates 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 recep-

tion. It has been type tested and found to comply with limits for a Class B computing device in accordance

with Sub-part 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 on and off, the user is encouraged to try to correct the interference

by one or more of the following measures:

l reorient the receiving antenna

l relocate the computer with respect to the receiver

l move the computer away from the receiver

l plug the computer into a different outlet so that the computer 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 Commis-

sion, helpful: “ How to Identify and Resolve Radio-TV Interference Problems.” This booklet is available from

the U.S. Government Printing Office, Washington, D.C., 20402, Stock No. 004-000-00345-4.

Epson America, Inc.

Service

23610 Telo Avenue

Torrance, California 90505

ted in any form or by any means, electric, mechanical, photocopying, recording, or otherwise, without the

written permission of Epson America, Inc. No patent liability is assumed with respect to use of the informa-

tion contained herein. While every precaution has been taken in the preparation of this book, Epson America,

Inc., assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting

from the use of the information contained herein.

Epson@

is a registered trademark of Seiko Epson Corporation

LQ-500TM is a trademark of Epson America, Inc.

LQ-500/L-1000

iii

REV.-A

REVISION SHEET

LQ-500/ L-1000

REV.-A

PRECAUTIONS

Precautionary notations throughout the text are categorized relative to 1) personal injury, and 2) damage

to equipment:

DANGER

Signals a precaution which, if ignored, could result in serious or fatal personal

injury. Great caution should be exercised in performing procedures preceded by

a DANGER heading.

WARNING Signals a precaution which, if ignored, could result in damage to equipment.

The precautionary measures itemized below always should be observed when performing

repair/maintenance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND

PERIPHERAL DEVICES BEFORE PERFORMING ANY MAINTENANCE OR REPAIR

PROCEDURE.

2. NO WORKSHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH

BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN

THEIR LINE OF WORK.

3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CON-

NECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN THE

POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORK-

ING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.

WARNING

1. Repairs on Epson products should be performed only by an Epson-certified repair

technician.

2 Make certain that the source voltage is the same as the rated voltage, listed on the serial

number/rating plate. If the Epson product has a primary AC rating different from the

available power source, do not connect it to the power source.

3. Always verify that the Epson product has been disconnected from the power source before

removing or replacing printed circuit boards and/or individual chips.

4. In order to protect sensitive microprocessors and circuitry, use static discharge equip-

ment, such as anti-static wrist straps, when accessing internal components.

5. Replace malfunctioning components only with those components recommended by the

manufacturer,. introduction of second-source ICs or other nonapproved components may

damage the product and void any applicable Epson warranty.

LQ-500/L-1000 V

REV.-A

PREFACE

This manual describes functions, theory of electrical and mechanical operations,

maintenance, and repair of the LQ-500 and the L-1000. Thoughout this manual both

printers are discussed. When an item is unique to one printer, special notation is

made. Common items are treated in a general format.

The instructions and procedures included here are intended for the experienced repair

technician, who should pay attention to the precautions on the preceding page. The

chapters are organized as follows:

Chapter 1 - Provides a general product overview, lists specifications, and

illustrates the main components of the printer.

Chapter 2 - Describes the theory of printer operation

Chapter 3 - Discusses the options.

Chapter 4 - Includes a step-by-step guide for product disassembly, assembly,

and adjustment.

Chapter 5 - Provides Epson-approved techniques for troubleshooting.

Chapter 6 - Describes preventive maintenance techniques and lists lubricants

and adhesives required to service the equipment.

* The contents of this manual are subject to change without notice.

LQ-500/L-1000 vii

REV.-A

TABLE OF CONTENTS

CHAPTER 1.

CHAPTER 2.

CHAPTER 3.

CHAPTER 4.

CHAPTER 5.

CHAPTER 6.

APPENDIX

PRODUCT DESCRIPTION

PRINCIPLES OF OPERATION

OPTIONAL EQUIPMENT

DISASSEMBLY, ASSEMBLY, AND ADJUSTMENT

TROUBLESHOOTING

MAINTENANCE

LQ-500/L-1000 ix

REV.-A

CHAPTER

GENERAL DESCRIPTION

1.1

FEATURES.. ...................................................................................

1-1

1.2

SPECIFICATIONS.. ..........................................................................

1-3

1.2.1 Hardware

Specifications .......................................................

1-3

1.2.2

Firmware

Specifications.. ......................................................

1-7

1.3

INTERFACE OVERVIEW ..................................................................

1-11

1.4 DIP

SWITCHES AND JUMPER SETTING ...........................................

1-14

1.4.1 DIP Switch

Settings ............................................................

1-14

1.4.2 Jumper Setting.. .................................................................

1-15

1.5 SELECTYPE FUNCTION

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

1-15

1.6

OPERATING INSTRUCTIONS ...........................................................

1-16

1.6.1 Self-Test

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

1-16

1.6.2

Hexadecimal Dump Function

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

1-18

1.6.3 Bit-Image Printing.. .............................................................

1-19

1.6.4

Error

Conditions .................................................................

1-20

1.6.5

Buzzer Operation

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

1-20

1.6.6 Printer Initialization.. ...........................................................

1-20

1.6.7

Default

Values.. ..................................................................

1-21

1.6.8 Adjust

Lever Operation

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

1-21

1.6.9

Printer Protection

for Heavy-Duty Printing.. ..........................

1-22

1.7

MAIN COMPONENTS.......................................................................

1-23

1.7.1

PBMA Board.......................................................................

1-23

1.7.2

PEBPNL

Board

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

1-24

1.7.3

PEBFIL

Board.. ...................................................................

1-25

1.7.4 Transformer .......................................................................

1-26

1.7.5

Printer Mechanism

(M-5410) ................................................

1-27

1.7.6

Housing

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

1-28

LIST OF FIGURES

FIGURE 1-1.

FIGURE 1-2.

FIGURE 1-3.

FIGURE 1-4.

Exterior View of the LQ-500/L-1000.. ................................

1-2

Configuration ............................................................

1-3

Cut-Sheet Printable Area.. ................................................

1-4

Printable Area for Continuous (Sprocket)-Feed Paper.........

1-5

LQ-500/ L-1000

-i

REV.-A

FIGURE 1-5. Character Matrix..............................................................

1-10

FIGURE 1-6.

Data Transmission

Timing................................................

1-11

FIGURE 1-7. Self-Test

Printout

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

1-16

FIGURE 1-8. Hexadecimal Dump Function ............................................

1-17

FIGURE 1-9.

Lever

Position.. ...............................................................

1-20

FIGURE 1-10. LQ-500/ L-1000 Component Layout.. ..................................

1-22

FIGURE 1-11. PBMA Main Control Board ................................................

1-22

FIGURE 1-12. PEBPNL Control Panel Board ...........................................

1-23

FIGURE 1-13. PEBFIL Filter Board .........................................................

1-23

FIGURE 1-14. Transformer ....................................................................

1-24

FIGURE 1-15.

Model

5410

Printer

Mechanism.........................................

1-24

FIGURE 1-16.

Housing

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

1-25

TABLE 1-1. Interface Options.. ...........................................................

1-1

TABLE 1-2.

Optional Units

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

1-1

TABLE 1-3. Cut-Sheet Specifications ..................................................

1-3

TABLE 1-4.

Continuous (Sprocket)

Paper Specifications ......................

1-4

TABLE 1-5.

Printing

Mode.. ................................................................

1-8

TABLE 1-6. Character Matrix and Character Size .................................

1-9

TABLE 1-7. Connector Pin Assignments and Signal Functions.. ...........

1-11

TABLE 1-8. Printer Select/Deselect Control ........................................

1-13

TABLE 1-9. Settings for DIP Switch 1 (SWI) .......................................

1-14

TABLE 1-10. Settings for DIP Switch 2 (SW2) .......................................

1-14

TABLE 1-11. International Character Set Selection ................................

1-14

TABLE 1-12. Font Selection .................................................................

1-15

TABLE 1-13. Character Pitch Selection .................................................

1-15

TABLE 1-14. Print Density ...................................................................

1-18

TABLE 1-15. Bit Image Printing............................................................

1-18

TABLE 1-16. Lever Position .................................................................

1-20

LIST OF TABLES

-ii

LQ-500 / L-1000

REV.-A GENERAL DESCRIPTION

1 .1 FEATURES

The LQ-500/L-1000 are small, light-weight, low-cost printers compatible with the LQ-800. The two printers dif-

fer in the housing design. All other features are the same. The main features are as follows:

Expanded ESC/P-code printing, implemented as a standard feature

Printing speeds: 180 CPS (alphanumeric Draft 12 CPI)

150 CPS (alphanumeric Draft 10 CPI)

60 CPS (alphanumeric LQ 12 CPI)

50 CPS (alphanumeric LQ 10 CPI)

3. Optional 8100 series interface

4. Clear, easy-to-read printing with a standard EPSON font

5. Two built-in LQ fonts (Roman and Sans Serif)

Optional Font Module to provide a wide variety of fonts

Front panel switch selection of Draft, Roman, Sans Serif, or slot (Optional Font Module) font

8. Automatic paper-loading function

Easy handling of cut sheets with the optional cut-sheet feeder (CSF)

The LQ-500/L-1000 is equipped with the standard EPSON 8-bit parallel interface. Various interface options

enable users to print data from a wide variety of computers. Table l-l lists the interface options, Table l-2

lists the optional units available for the LQ-500/L-1000, and Figure l-l shows an exterior view of the

LQ-500 / L-1000.

Table l-l. Interface Options

NOTE: Refer to the “Optional Interface Technical Manual” for details.

Table 1-2. Optional Units

LQ-500/ L-1000 l-l

EV .-A

GENERAL DESCRIPTION

(Printer Cover A)

(Printer Cover B)

Figure 1-l. Exterior View of the LQ-500/L-I000

LQ-500 / L-1000

1-2

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