6571330-Brother_Dcp-8080dn_Dcp-8085dn_Mfc-8480dn_Mfc-8880dn_Mfc-8890dw_Service_Manual.pdf

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Laser FAX/MFC
SERVICE MANUAL
MODEL:
DCP-8080DN/8085DN
MFC-8480DN/8880DN/8890DW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
January 2009
SM-FAX105
Confidential
TRADEMARKS
The Brother logo is a registered trademark of Brother Industries, Ltd.
Apple and Macintosh are trademarks of Apple Inc., registered in the United States and other countries.
PCL is either a trademark or a registered trademark of Hewlett-Packard Company in the United States
and other countries.
Windows Vista is either a registered trademark or a trademark of Microsoft Corporation in the United
States and/or other countries.
Microsoft, Windows, Windows Server and Internet Explorer are registered trademarks of Microsoft
Corporation in the United States and/or other countries.
Linux is a registered trademark of Linus Torvalds in the United States and other countries.
PostScript and PostScript3 are either registered trademarks or trademarks of Adobe Systems
Incorporated in the United States and/or other countries.
ENERGY STAR is a U.S. registered mark.
Citrix and MetaFrame are registered trademarks of Citrix Systems, Inc. in the United States.
Intel, Intel Xeon and Pentium are trademarks or registered trademarks of Intel Corporation.
AMD, AMD Athlon, AMD Opteron and combinations thereof, are trademarks of Advanced Micro
Devices, Inc.
PictBridge is a trademark.
Each company whose software title is mentioned in this manual has a Software License Agreement
specific to its proprietary programs.
All other trademarks are the property of their respective owners.
The Fuji Xerox 4024 II is a registered trademark of Fuji Xerox.
The Proprinter XL is a registered trademark of IBM.
The FX-850 is a registered trademark of Epson.
© Copyright Brother 2009
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.
All other product and company names mentioned in this manual are trademarks or registered
trademarks of their respective holders.
Specifications are subject to change without notice.
Model
Duplex Print/
Scan
Network
DCP-8080DN
Yes/No
Wired
DCP-8085DN
Yes/Yes
Wired
MFC-8480DN MFC-8880DN MFC-8890DW
Yes/No
Wired
Yes/Yes
Wired
Yes/Yes
Wired/
Wireless
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PREFACE
This service manual contains basic information required for after-sales service of the Laser
Multi-Function Center (hereinafter referred to as "the machine"). This information is vital to the
service personnel to maintain the high printing quality and performance of the machine.
This service manual covers the
DCP-8080DN/8085DN, MFC-8480DN/8880DN/8890DW
machines.
This manual consists of the following chapters:
CHAPTER 1: SPECIFICATIONS
Provides specifications of each model, which enables you to make a comparison of the
different models.
CHAPTER 2: THEORY OF OPERATION
Gives an overview of the printing mechanisms as well as the sensors, actuators, and control
electronics. It aids in understanding the basic principles of operations as well as locating
defects for troubleshooting.
CHAPTER 3: ERROR INDICATION AND TROUBLESHOOTING
Details of error messages and codes that the incorporated self-diagnostic function of the
machine will display if any error or malfunction occurs. If any error message appears, refer
to this chapter to find which parts should be checked or replaced.
The latter half of this chapter provides sample problems that could occur in the main sections
of the machine and related troubleshooting procedures.
CHAPTER 4: PERIODIC MAINTENANCE
Details of consumable parts and periodical maintenance parts. This chapter also covers
procedures for disassembling and assembling periodical maintenance parts.
CHAPTER 5: DISASSEMBLY/REASSEMBLY
Details of procedures for disassembling and assembling of the machine together with related
notes. The disassembly order flow provided enables you to see at a glance the quickest way
to get to parts involved.
At the start of a disassembly job, you can check the disassembly order flow that guides you
through a shortcut to get to the object parts.
This chapter also covers screw tightening torques and lubrication points to which the
specified lubrications should be applied during assembly jobs.
CHAPTER 6: ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED
AFTER PARTS REPLACEMENT
Details of adjustments and updating of settings, which are required if the main PCB and
some other parts have been replaced. This chapter also covers how to update the firmware.
CHAPTER 7: SERVICE MODE
Describes the maintenance mode which is exclusively designed for the purpose of checking
the settings and adjustments using the keys on the panel.
This chapter also covers hidden function menus, which activate settings and functions or
reset the parts life.
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APPENDIX 1: FIRMWARE SWITCHES (WSW)
APPENDIX 2: DELETION OF USER SETTING INFORMATION, etc.
Provides instructions on how to delete such as user setting information recorded in the
machine.
APPENDIX 3: SERIAL NUMBERING SYSTEM
APPENDIX 4: SCREW CATALOGUE
APPENDIX 5: REFERENCES
APPENDIX 6: GLOSSARY
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.
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REGULATION
For Europe and Other countries
■
Radio interference (220 to 240 volt model only)
This machine follows EN55022 (CISPR Publication 22)/Class B.
Before you use this product, make sure that you use one of the following interface cables.
(1) A shielded parallel interface cable with twisted-pair conductors and that it is marked
IEEE 1284 compliant.
(2) A USB cable.
The cable must not be more than 2 meters long.
■
IEC 60825-1 specification (220 to 240 volt model only)
This machine is a Class 1 laser product as defined in IEC 60825-1 specifications. The label
shown below is attached in countries where it is needed.
CLASS 1 LASER PRODUCT
APPAREIL À LASER DE CLASSE 1
LASER KLASSE 1 PRODUKT
This machine has a Class 3B laser diode which produces invisible laser radiation in the laser
unit. You should not open the laser unit under any circumstances.
Caution
Use of controls or adjustments or performance of procedures other than those specified in
this User's Guide may result in hazardous radiation exposure.
For Finland and Sweden
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPARAT
Varoitus!
Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa
käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle.
Varning
Om apparaten används på annat sätt än i denna Bruksanvisning specificerats, kan
användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1.
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