Brother HL-2030, HL-2032, HL-2040, HL-2070N User Manual

Brother Laser Printer

SERVICE MANUAL

MODEL:

HL-2030/2032/2040/2070N

Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.

November 2004
SM-PRN054
(4)

Confidential

© Copyright Brother Industries, Ltd. 2004
All rights reserved.
No part of this publication may be reproduced in any form or by any means without permission

in writing from the publisher.
Specifications are subject to change without notice.

Trademarks:
The Brother logo is a registered trademark of Brother Industries, Ltd.
Apple, the Apple Logo, Macintosh and TrueType are registered trademarks of Apple

Computer, Inc in the United States and other countries.
Epson is a registered trademark and FX-80 and FX-850 are trademarks of Seiko Epson

Corporation.
Hewlett Packard is a registered trademark and HP LaserJet 6P, 6L, 5P, 5L, 4, 4L 4P, III, IIIP,

II, and IIP are trademarks of Hewlett-Packard Company.
IBM, IBM PC, and Proprinter are registered trademarks of International Business Machines

Corporation.
Microsoft, MS-DOS, Windows and Windows NT are registered trademarks of Microsoft

Corporation in the U.S. and other countries.
ENERGY STAR is a U.S. registered mark.
Citrix and MetaFrame are registered trademarks of Citrix Systems, Inc. in the United State.
All other terms and brand and product names mentioned in this Service Manual are registered

trademarks of their respective companies.

Confidential

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PREFACE

This service manual contains basic information required for after-sales service of the laser
printer (hereinafter referred to as "this machine" or "the printer"). This information is vital to
the service technician to maintain the high printing quality and performance of the printer.

This service manual covers the HL-2030/2040/2070N printers.
This manual consists of the following chapters:

CHAPTER 1: GENERAL

Features, specifications, etc.

CHAPTER 2: INSTALLATION AND BASIC OPERATION

Installation conditions, Installation procedures, basic operation of the
printer etc.

CHAPTER 3: THEORY OF OPERATION

Basic operation of the mechanical system, the electrical system and the
electrical circuits and their timing information.

CHAPTER 4: DISASSEMBLY AND RE-ASSEMBLY

Procedures for disassembling and re-assembling the mechanical
system.

CHAPTER 5: PERIODIC MAINTENANCE

Periodical replacement parts, consumable parts, etc.

CHAPTER 6: ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER

PARTS REPLACEMENT

CHAPTER 7: TROUBLESHOOTING

Reference values and adjustments, troubleshooting image defects,
troubleshooting malfunctions, etc.

CHAPTER 8: SERVICE SUPPORT SOFTWARE

Test print mode and Service menu mode, etc.

APPENDICES: PCB circuit diagrams, etc.

Information in this manual is subject to change due to improvement or redesign of the
product. All relevant information in such cases will be supplied in service information
bulletins (Technical Information).

A thorough understanding of this printer, based on information in this service manual and
service information bulletins, is required for maintaining its print quality performance and
for improving the practical ability to find the cause of problems.

i Confidential

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