BROTHER_MFC-890 5200C sm.pdf

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BHMFB S/M
FACSIMILE EQUIPMENT
SERVICE MANUAL
MODEL: MFC5200C/MFC890
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© 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.
PREFACE
This publication is a Service Manual covering the specifications, construction, theory of operation,
and maintenance of the Brother facsimile equipment. It includes information required for field
troubleshooting and repair--disassembly, reassembly, and lubrication--so that service personnel
will be able to understand equipment function, to rapidly repair the equipment and order any
necessary spare parts.
To perform appropriate maintenance so that the facsimile equipment is always in best condition
for the customer, the service personnel must adequately understand and apply this manual.
This manual is made up of eight chapters and appendices.
SAFETY INSTRUCTIONS
CHAPTER 3 INSTALLATION
CHAPTER 5 MAINTENANCE
CHAPTER 7 MAINTENANCE MODE
CHAPTER 8 TROUBLESHOOTING
Appendix 4. Firmware Switches (WSW)
Appendix 6. Wiring Diagram
Appendix 7. Circuit Diagrams
This manual describes the models and their versions to be destined for major countries. The specifications
and functions are subject to change depending upon each destination.
SAFETY INSTRUCTIONS
SAFETY PRINCIPLE
1) Before starting any operations, read this manual thoroughly. Especially read the safety instructions in this
section carefully and ensure that you understand the contents.
2) Perform all the operations by following the procedures described in this manual. Follow all the cautions
and warnings set out in the procedures and on safety labels affixed to the machine. Failure to do so may
result in human injury or equipment damage.
3) Perform only the procedures explained in this manual. Refrain from opening or touching any portions that
are not related to your required operation(s).
4) Repair and replacement of parts should be performed by trained and qualified persons only.
Operators should not attempt to do such repair or replacement work.
5) It must be appreciated that the above-mentioned cautions and warnings do not cover everything because it
is impossible to evaluate all the circumstances of repair situations.
SPECIAL SAFETY INFORMATION
Cautions and warnings are made clear by following the 'Safety Alert Symbols' or 'Signal Words' such as
DANGER, WARNING and CAUTION.
1) SAFETY ALERT SYMBOL
This is the safety alert. When you find this symbol placed on the equipment or marked in this manual, be
aware of the potential of human injuries. Follow the recommended precautions and safety operation
practices.
2) Understanding Signal Words
DANGER is used to indicate the presence of a hazard which will cause severe human injuries or a fatal
accident if the warning is ignored.
WARNING is used to indicate the presence of a hazard or unsafe practices which may cause severe
human injuries or a fatal accident if the warning is ignored.
CAUTION is used to indicate the presence of a hazard or unsafe practices which may cause minor human
injuries if the warning is ignored. CAUTION also calls your attention to safety messages in this manual.
3) Follow Safely Instructions
Carefully read all the safety messages set out in this manual and also in the safety warning signs placed
on the equipment. In this manual, the safety instructions (safety alert symbols and signal words) are
enclosed in a rectangular enclosure to bring them to your attention.
Keep the safety signs on the equipment in good condition and ensure none are missing or damaged.
Replace the safety signs if unreadable or damaged. Learn how to operate the equipment and how to use
the controls properly. Do not let anyone operate this equipment without following the instructions. Keep
the equipment in proper working condition.
Unauthorized modification to the equipment may impair the function & safety and affect the life of the
equipment.
Listed below are the various kinds of "WARNING" messages contained in this manual.
4) Caution for the battery
There is a danger of explosion if the battery is incorrectly replaced. Do not replace the battery. Do not
disassemble, recharge or dispose of in fire.
Used battery should be disposed of according to local regulations.

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