BROTHER HL - 3450 CN free download

File name Brother HL-3450cn Service Manual.pdf

Brother Color Laser Printer SERVICE MANUAL MODEL: HL-3450CN Read this manual thoroughly before commencing any maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. January, 2002 SM-PRN028 © Copyright Brother 2002 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, and Macintosh are trademarks, registered in the United States and other countries, and True Type is a trademark of Apple computer, Inc. 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 Laser Jet is a trademark of Hewlett Packard Company. IBM, IBM PC and Proprinter are registered trademarks of International Business Machines Corporation. Microsoft and MS-DOS are registered trademarks of Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the U.S. and other countries. HL-3450CN SERVICE MANUAL PREFACE This service manual contains basic information required for after-sales service of the color laser printer (here-in-after 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-3450CN color laser printer. This manual consists of the following chapters: CHAPTER 1: OUTLINE OF PRODUCT Features, parts names, internal structure, and description of the control panel. CHAPTER 2: SPECIFICATIONS Specifications, etc. CHAPTER 3: INSTALLATION Installation conditions and installation procedures. CHAPTER 4: STRUCTURE OF SYSTEM COMPONENTS Basic operation of the mechanical system, the electrical system and the electrical circuits and their timing information. CHAPTER 5: CONTROL PANEL OPERATION Operation and setting procedures on the control panel. CHAPTER 6: PERIODIC MAINTENANCE Description of periodic maintenance parts and procedures for periodic replacement and cleaning. CHAPTER 7: DISASSEMBLY Procedures for replacement of the mechanical system parts. CHAPTER 8: TROUBLESHOOTING Description of error messages on the control panel, troubleshooting image failure, etc. APPENDICES : SERIAL NO. DESCRIPTIONS, ETC. Information in this manual is subject to change due to improvement or re-design of the pro