HL 5240 5250dn 5270dn 5280dw, BROTHER HL 5240 5250dn 5270dn 5280dw
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Brother Laser Printer
SERVICE MANUAL
MODEL:
HL-5240/5250DN/5270DN/5280DW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
September 2005
SM-PRN057
(7)
Confidential
© Copyright Brother Industries, Ltd. 2005
Compilation and Publication:
This manual has been complied and published, under the supervision of Brother Industries
Ltd., covering the latest product descriptions and specifications. The contents of this manual
and the specifications of this product are subject to change without notice. Brother reserves
the right to make changes without notice in the specifications and materials contained herein
and shall not be responsible for any damages (including consequential) caused by reliance on
the materials presented, including but not limited to typographical and other errors relating to
the publication. This product is designed for use in a professional environment.
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.
SuSE is a registered trademark of SuSE Linux AG.
RED HAT is a registered trademark of Red Hat. Inc.
Mandrake is a registered trademark of Mandrake Soft SA.
PostScript and PostScript 3 are trademarks of Adobe Systems Incorporated.
Intel, Intel Xeon and Pentium are trademarks or registered trademarks of Intel Corporation.
AMD, AMD Athlon, AMD Opeteron and combinations thereof, are trademarks of Advanced
Micro Devices, Inc.
Java and all Java-based trademarks and logos are trademarks or registered trademarks of
Sun Microsystems, Inc. in the United States and other countries.
All other terms and brand and product names mentioned in this Service Manual are registered
trademarks of their respective companies.
Confidential
ç
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-5240/5250DN/5270DN/5280DW
printers.
This manual consists of the following chapters:
CHAPTER 1:
GENERAL
Features, specifications, etc.
CHAPTER 2:
THEORY OF OPERATION
Basic operation of the mechanical system, the electrical system and the
electrical circuits.
CHAPTER 3:
PERIODIC MAINTENANCE
Periodical replacement parts, consumable parts, etc.
CHAPTER 4:
TROUBLESHOOTING
Reference values and adjustments, troubleshooting image defects,
troubleshooting malfunctions, etc.
CHAPTER 5:
DISASSEMBLY AND RE-ASSEMBLY
Procedures for disassembling and re-assembling the mechanical
system.
CHAPTER 6:
ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER
PARTS REPLACEMENT
CHAPTER 7:
SERVICE SUPPORT SOFTWARE
Test print mode and Service menu mode, etc.
APPENDIX:
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
ç
TABLE OF CONTENTS
1. FEATURES............................................................................................................. 1-1
2.
PARTS NAMES AND FUNCTIONS ........................................................................ 1-3
3.1 Printing ............................................................................................................................. 1-7
3.5 Network Connectivity...................................................................................................... 1-12
3.6.1 Paper handling .................................................................................................................. 1-14
3.6.2 Media specifications .......................................................................................................... 1-14
3.7.1 PCL5e/EPSON/IBM emulation .......................................................................................... 1-17
3.8
Print Speeds with Various Settings ................................................................................ 1-21
3.9
Toner Cartridge Weight Information............................................................................... 1-22
4.
1. OVERALL ............................................................................................................... 2-1
1.1 General Block Diagram .................................................................................................... 2-1
2.1
General Block Diagram .................................................................................................... 2-2
2.2
Main PCB Block Diagram ................................................................................................. 2-3
2.3.1 CPU..................................................................................................................................... 2-4
2.3.2 USB interface (2.0 High Speed) .......................................................................................... 2-4
2.3.3 IEEE 1284 interface ............................................................................................................ 2-4
2.3.4 Network interface ................................................................................................................ 2-4
2.3.5 ROM .................................................................................................................................... 2-4
2.3.6 SDRAM ............................................................................................................................... 2-4
2.3.7 Optional RAM ...................................................................................................................... 2-4
2.3.8 EEPROM............................................................................................................................. 2-4
ii
Confidential
HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
2.3.10 Panel I/O ............................................................................................................................. 2-5
2.3.11 Video I/O ............................................................................................................................. 2-5
2.3.12 Power supply....................................................................................................................... 2-5
2.3.13 Wireless LAN ...................................................................................................................... 2-5
2.4.1 Low-voltage power supply................................................................................................... 2-6
2.4.2 High-voltage power supply .................................................................................................. 2-6
3.1 Overview of Printing Mechanism ...................................................................................... 2-7
3.3.1 Paper supply ....................................................................................................................... 2-9
3.3.3 Drum unit........................................................................................................................... 2-11
3.3.9 LT tray ............................................................................................................................... 2-16
3.4.1 Toner life end mode .......................................................................................................... 2-17
3.5.1 Charging............................................................................................................................ 2-21
3.5.2 Exposure stage ................................................................................................................. 2-21
3.7
Heat Control of Fuser Unit.............................................................................................. 2-24
1. CONSUMABLE PARTS .......................................................................................... 3-1
1.1 Toner Cartridge ................................................................................................................ 3-1
2.
2.1 Periodical Replacement Parts ........................................................................................ 3-12
2.2
Procedures to Replace Periodical Replacement Parts .................................................. 3-13
2.2.1 Fuser unit and laser unit.................................................................................................... 3-13
iii
Confidential
[ Pobierz całość w formacie PDF ]
zanotowane.pl doc.pisz.pl pdf.pisz.pl chiara76.opx.pl
Brother Laser Printer
SERVICE MANUAL
MODEL:
HL-5240/5250DN/5270DN/5280DW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
September 2005
SM-PRN057
(7)
Confidential
© Copyright Brother Industries, Ltd. 2005
Compilation and Publication:
This manual has been complied and published, under the supervision of Brother Industries
Ltd., covering the latest product descriptions and specifications. The contents of this manual
and the specifications of this product are subject to change without notice. Brother reserves
the right to make changes without notice in the specifications and materials contained herein
and shall not be responsible for any damages (including consequential) caused by reliance on
the materials presented, including but not limited to typographical and other errors relating to
the publication. This product is designed for use in a professional environment.
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.
SuSE is a registered trademark of SuSE Linux AG.
RED HAT is a registered trademark of Red Hat. Inc.
Mandrake is a registered trademark of Mandrake Soft SA.
PostScript and PostScript 3 are trademarks of Adobe Systems Incorporated.
Intel, Intel Xeon and Pentium are trademarks or registered trademarks of Intel Corporation.
AMD, AMD Athlon, AMD Opeteron and combinations thereof, are trademarks of Advanced
Micro Devices, Inc.
Java and all Java-based trademarks and logos are trademarks or registered trademarks of
Sun Microsystems, Inc. in the United States and other countries.
All other terms and brand and product names mentioned in this Service Manual are registered
trademarks of their respective companies.
Confidential
ç
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-5240/5250DN/5270DN/5280DW
printers.
This manual consists of the following chapters:
CHAPTER 1:
GENERAL
Features, specifications, etc.
CHAPTER 2:
THEORY OF OPERATION
Basic operation of the mechanical system, the electrical system and the
electrical circuits.
CHAPTER 3:
PERIODIC MAINTENANCE
Periodical replacement parts, consumable parts, etc.
CHAPTER 4:
TROUBLESHOOTING
Reference values and adjustments, troubleshooting image defects,
troubleshooting malfunctions, etc.
CHAPTER 5:
DISASSEMBLY AND RE-ASSEMBLY
Procedures for disassembling and re-assembling the mechanical
system.
CHAPTER 6:
ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER
PARTS REPLACEMENT
CHAPTER 7:
SERVICE SUPPORT SOFTWARE
Test print mode and Service menu mode, etc.
APPENDIX:
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
ç
TABLE OF CONTENTS
1. FEATURES............................................................................................................. 1-1
2.
PARTS NAMES AND FUNCTIONS ........................................................................ 1-3
3.1 Printing ............................................................................................................................. 1-7
3.5 Network Connectivity...................................................................................................... 1-12
3.6.1 Paper handling .................................................................................................................. 1-14
3.6.2 Media specifications .......................................................................................................... 1-14
3.7.1 PCL5e/EPSON/IBM emulation .......................................................................................... 1-17
3.8
Print Speeds with Various Settings ................................................................................ 1-21
3.9
Toner Cartridge Weight Information............................................................................... 1-22
4.
1. OVERALL ............................................................................................................... 2-1
1.1 General Block Diagram .................................................................................................... 2-1
2.1
General Block Diagram .................................................................................................... 2-2
2.2
Main PCB Block Diagram ................................................................................................. 2-3
2.3.1 CPU..................................................................................................................................... 2-4
2.3.2 USB interface (2.0 High Speed) .......................................................................................... 2-4
2.3.3 IEEE 1284 interface ............................................................................................................ 2-4
2.3.4 Network interface ................................................................................................................ 2-4
2.3.5 ROM .................................................................................................................................... 2-4
2.3.6 SDRAM ............................................................................................................................... 2-4
2.3.7 Optional RAM ...................................................................................................................... 2-4
2.3.8 EEPROM............................................................................................................................. 2-4
ii
Confidential
HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
2.3.10 Panel I/O ............................................................................................................................. 2-5
2.3.11 Video I/O ............................................................................................................................. 2-5
2.3.12 Power supply....................................................................................................................... 2-5
2.3.13 Wireless LAN ...................................................................................................................... 2-5
2.4.1 Low-voltage power supply................................................................................................... 2-6
2.4.2 High-voltage power supply .................................................................................................. 2-6
3.1 Overview of Printing Mechanism ...................................................................................... 2-7
3.3.1 Paper supply ....................................................................................................................... 2-9
3.3.3 Drum unit........................................................................................................................... 2-11
3.3.9 LT tray ............................................................................................................................... 2-16
3.4.1 Toner life end mode .......................................................................................................... 2-17
3.5.1 Charging............................................................................................................................ 2-21
3.5.2 Exposure stage ................................................................................................................. 2-21
3.7
Heat Control of Fuser Unit.............................................................................................. 2-24
1. CONSUMABLE PARTS .......................................................................................... 3-1
1.1 Toner Cartridge ................................................................................................................ 3-1
2.
2.1 Periodical Replacement Parts ........................................................................................ 3-12
2.2
Procedures to Replace Periodical Replacement Parts .................................................. 3-13
2.2.1 Fuser unit and laser unit.................................................................................................... 3-13
iii
Confidential
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