HL-2030
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
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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