Brother HL-L2305W User manual

Confidential
Brother Laser Printer
SERVICE MANUAL
MODEL:
HL-L2305W/L2300D/L2320D/
L2340DW/L2360DN/L2360DW/
L2365DW/2260/2260D/2560DN/
L2321D/L2361DN/L2366DW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
April 2014
SM-PRN096
84UF*
(5)

Confidential
Trademarks
Brother is a trademark of Brother Industries, Ltd.
Microsoft, Windows, Windows NT, Windows Vista, Windows Server, Internet Explorer and Outlook are
either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other
countries.
Apple, Macintosh, Mac OS, iPad, iPhone, iOS, iPod touch and OS X are trademarks of Apple Inc.,
registered in the United States and other countries.
Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.
UNIX is a registered trademark of The Open Group in the United States and other countries.
Intel is a trademark of Intel Corporation in the U.S. and/or other countries.
Adobe, Illustrator, PostScript and PostScript 3 are either registered trademarks or trademarks of Adobe
Systems Incorporated in the United States and/or other countries.
Wi-Fi, Wi-Fi Alliance and Wi-Fi Protected Access are registered trademarks of the Wi-Fi Alliance.
WPA, WPA2, Wi-Fi Protected Setup, Wi-Fi Protected Setup logo and Wi-Fi Direct are trademarks of the
Wi-Fi Alliance.
FLICKR is a registered trademark of Yahoo! Inc.
AOSS is a trademark of Buffalo Inc.
Android, Google Cloud Print, Google Drive, Google Play and Picasa Web Albums are trademarks of
Google Inc. Use of this trademark is subject to Google Permissions.
Nuance, the Nuance logo, PaperPort and ScanSoft are trademarks or registered trademarks of Nuance
Communications, Inc. or its affiliates in the United States and/or other countries.
Firefox is a registered trademark of the Mozilla Foundation.
EVERNOTE and the Evernote Elephant logo are trademarks of Evernote Corporation and used under a
license.
Each company whose software title is mentioned in this manual has a Software License Agreement
specific to its proprietary programs.
Any trade names and product names of companies appearing on Brother products, related
documents and any other materials are all trademarks or registered trademarks of those
respective companies.

Confidential
Open Source Licensing Remarks
This product includes open-source software.
Please visit the Brother Solutions Center at http://solutions.brother.com/ to view the Open Source
Licensing Remarks and Copyright information.
Copyright and License
©2014 Brother Industries, Ltd. All rights reserved.
This product includes software developed by the following vendors:
©1983-1998 PACIFIC SOFTWORKS, INC. ALL RIGHTS RESERVED.
©2008 Devicescape Software, Inc. All rights reserved.
This product includes the “KASAGO TCP/IP” software developed by ZUKEN ELMIC, Inc.
Other Information
FlashFX®is a registered trademark of Datalight, Inc.
FlashFX®Copyright 1998-2010 Datalight, Inc.
U.S.Patent Office 5,860,082/6,260,156
FlashFX®Pro™ is a trademark of Datalight, Inc.
Reliance™ is a trademark of Datalight, Inc.
Datalight®is a registered trademark of Datalight, Inc.
Copyright 1989-2010 Datalight, Inc., All Rights Reserved

iConfidential
CONTENTS
REGULATION ...........................................................................................................vi
SAFETY INFORMATION ...........................................................................................xi
CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS
1. GENERAL ................................................................................................................................... 1-1
2. NETWORK CONNECTIVITY ....................................................................................................... 1-3
3. SERVICE INFORMATION ........................................................................................................... 1-3
4. SUPPLIES ................................................................................................................................... 1-4
CHAPTER 2 ERROR INDICATIONS & TROUBLESHOOTING
1. INTRODUCTION ......................................................................................................................... 2-1
1.1 Precautions ......................................................................................................................... 2-1
1.2 Checks before Commencing Troubleshooting .................................................................... 2-2
2. OVERVIEW ................................................................................................................................. 2-4
2.1 Cross-section Drawing ........................................................................................................ 2-4
2.2 Paper Feeding .................................................................................................................... 2-5
2.3 Operation of Each Part ....................................................................................................... 2-6
2.4 Block Diagram .................................................................................................................... 2-7
2.5 Main Components ............................................................................................................... 2-8
3. ERROR INDICATIONS ................................................................................................................ 2-9
3.1 Error Codes ........................................................................................................................ 2-9
3.2 Error Messages ................................................................................................................ 2-16
3.3 LED Display (LED Models) ............................................................................................... 2-19
3.3.1 LED display when operator call occurs ................................................................ 2-19
3.3.2 LED display when service call occurs .................................................................. 2-22
4. TROUBLESHOOTING .............................................................................................................. 2-26
4.1 Error Cause and Remedy ................................................................................................. 2-26
4.2 Troubleshooting for Paper Feeding Problems .................................................................. 2-47
4.2.1 No paper is fed from paper tray ............................................................................ 2-47
4.2.2 No paper is fed from manual feed slot ................................................................. 2-48
4.2.3 Multiple sheets of paper are fed ........................................................................... 2-48
4.2.4 Paper becomes wrinkled ...................................................................................... 2-49
4.2.5 Paper is fed at an angle ....................................................................................... 2-50
4.2.6 Paper is curled ..................................................................................................... 2-51
4.2.7 Duplex printing is not possible .............................................................................. 2-51
4.2.8 Paper jam ............................................................................................................. 2-52

ii Confidential
4.3 Troubleshooting for Image Defects ................................................................................... 2-56
4.3.1 Image defect examples ....................................................................................... 2-56
4.3.2 Troubleshooting according to image defect ......................................................... 2-57
4.4 Troubleshooting for Software Problems ........................................................................... 2-68
4.4.1 Cannot receive data ............................................................................................. 2-68
4.5 Troubleshooting for Network Problems ............................................................................ 2-69
4.5.1 Cannot print via network connection .................................................................... 2-69
4.5.2 Cannot connect to access point ........................................................................... 2-69
4.6 Troubleshooting for Control Panel Problems .................................................................... 2-70
4.6.1 Nothing is displayed on the LCD .......................................................................... 2-70
4.6.2 Nothing is displayed on the LED .......................................................................... 2-70
4.6.3 Control panel is inoperable ................................................................................... 2-70
4.7 Troubleshooting for Toner and Drum Problems ............................................................... 2-71
4.7.1 New toner is not detected ..................................................................................... 2-71
4.7.2 Toner cartridge cannot be recognized .................................................................. 2-71
4.7.3 Error message prompting toner cartridge replacement does not disappear ........ 2-72
4.7.4 Drum error ............................................................................................................ 2-72
4.7.5 Error message prompting drum replacement does not disappear ....................... 2-72
4.8 Troubleshooting for Fuser Unit Problems ......................................................................... 2-73
4.8.1 Fuser unit failure ................................................................................................... 2-73
4.9 Troubleshooting for Laser Unit Problems ......................................................................... 2-73
4.9.1 Laser unit failure ................................................................................................... 2-73
4.10 Troubleshooting for PCB Problems .................................................................................. 2-74
4.10.1 Main PCB failure .................................................................................................. 2-74
4.10.2 Memory full ........................................................................................................... 2-74
4.10.3 Print limit / ID authentification error ...................................................................... 2-74
4.11 Troubleshooting for Other Problems ................................................................................. 2-75
4.11.1 Cannot print ......................................................................................................... 2-75
4.11.2 Cannot update firmware ...................................................................................... 2-75
CHAPTER 3 DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS ............................................................................................................ 3-1
2. PACKING .................................................................................................................................... 3-2
3. SCREW CATALOGUE ................................................................................................................ 3-3
4. SCREW TORQUE LIST .............................................................................................................. 3-4
5. LUBRICATION ............................................................................................................................ 3-5
6. OVERVIEW OF GEARS .............................................................................................................. 3-6
7. HARNESS ROUTING .................................................................................................................. 3-8
8. DISASSEMBLY FLOW CHART ................................................................................................ 3-13

iii Confidential
9. DISASSEMBLY PROCEDURE ................................................................................................. 3-14
9.1 Preparation ....................................................................................................................... 3-14
9.2 Back Cover ....................................................................................................................... 3-15
9.3 Outer Chute ASSY ............................................................................................................ 3-16
9.4 Front Cover ASSY ............................................................................................................ 3-17
9.5 Side Cover R .................................................................................................................... 3-18
9.6 Fuser Cover ...................................................................................................................... 3-19
9.7 Inner Chute ASSY ............................................................................................................ 3-20
9.8 Side Cover L ..................................................................................................................... 3-21
9.9 Top Cover ASSY .............................................................................................................. 3-22
9.10 Fuser Unit ......................................................................................................................... 3-25
9.11 Low-voltage Power Supply PCB ASSY ............................................................................ 3-27
9.12 Fan ................................................................................................................................... 3-29
9.13 High-voltage Power Supply PCB ASSY ........................................................................... 3-30
9.14 Filter .................................................................................................................................. 3-32
9.15 Laser Unit ......................................................................................................................... 3-33
9.16 Wireless LAN PCB (Wireless network model only) .......................................................... 3-35
9.17 Roller Holder ASSY .......................................................................................................... 3-36
9.18 Main PCB ASSY ............................................................................................................... 3-37
9.19 T1 Clutch and Registration Clutch .................................................................................... 3-38
9.20 New Toner Sensor PCB ASSY ......................................................................................... 3-39
9.21 Main Frame L ASSY ......................................................................................................... 3-40
9.22 Main Motor ........................................................................................................................ 3-42
9.23 Fuser Gear 67R/40R ........................................................................................................ 3-44
9.24 Eject Sensor PCB ASSY .................................................................................................. 3-45
9.25 Registration Front/rear Actuator Holder ASSY ................................................................. 3-47
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS
AS REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY ................................................................................. 4-1
1.1 Setting Default Paper Size (LED Models) / Setting by Spec (LCD Models) ....................... 4-2
1.2 Installing Firmware (Sub Firmware, Demo Firmware, and Main Firmware) ....................... 4-3
1.2.1 Checking firmware version ..................................................................................... 4-3
1.2.2 Installing firmware .................................................................................................. 4-4
1.3 Setting Serial Number and Entering Adjusted Value of Laser Unit ..................................... 4-5
2. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY ................................. 4-6
2.1
Reset Irregular Power Supply Detection Counter of Low-voltage Power Supply PCB .......... 4-6
3. IF YOU REPLACE THE LASER UNIT ........................................................................................ 4-7
3.1 Entering Adjusted Value of Laser Unit ................................................................................ 4-8

iv Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE ............................................................................................................... 5-1
1.1 How to Enter Maintenance Mode ....................................................................................... 5-1
1.1.1 Method of entering maintenance mode for service personnel ............................... 5-1
1.1.2 Method of entering end-user accessible maintenance mode ................................. 5-2
1.2 List of Maintenance Mode Functions .................................................................................. 5-3
1.2.1 List of maintenance mode functions for LCD models ............................................. 5-3
1.2.2 List of maintenance mode functions using [Go] key (LED models) ........................ 5-4
1.3 Details of Maintenance Mode Functions for LCD Models ................................................... 5-6
1.3.1 Initialize EEPROM parameters (function code: 01, 91) .......................................... 5-6
1.3.2 Print quality test pattern (function code: 09) ........................................................... 5-7
1.3.3 Set worker switches (WSW) and print worker switch setting data
(function code: 10, 11) ............................................................................................ 5-8
1.3.4 Check LCD operation (function code: 12) ............................................................ 5-11
1.3.5 Check control panel key operation (function code: 13) ........................................ 5-12
1.3.6 Display software version (function code: 25) ........................................................ 5-13
1.3.7 Change OnePushDemo function setting (function code: 28) ............................... 5-14
1.3.8 Check sensor operation (function code: 32) ......................................................... 5-15
1.3.9 Display LAN connection status (function code: 33) .............................................. 5-16
1.3.10 Change USB No. return value / Adjust left-end print start position on
second side when duplex printing (function code: 45) ......................................... 5-17
1.3.11 Continuous print test (function code: 67) .............................................................. 5-18
1.3.12 Print frame pattern (single-side printing) (function code: 69) ............................... 5-22
1.3.13 Print frame pattern (duplex printing) (function code: 70) ...................................... 5-23
1.3.14 Print test pattern (function code: 71) .................................................................... 5-24
1.3.15 Setting by spec (function code: 74) ...................................................................... 5-26
1.3.16 Print maintenance information (function code: 77) ............................................... 5-28
1.3.17 Check fan operation (function code: 78) .............................................................. 5-30
1.3.18 Display machine log information (function code: 80) ............................................ 5-31
1.3.19 Display machine error code (function code: 82) ................................................... 5-33
1.3.20 Reset irregular power supply detection counter of
low-voltage power supply PCB (function code: 88) .............................................. 5-33
1.3.21 Quit maintenance mode (function code: 99) ........................................................ 5-33
1.4 Details of Maintenance Mode Functions Using [Go] key (LED models) ........................... 5-34
1.4.1 Test printing .......................................................................................................... 5-34
1.4.2 Change USB No. return value .............................................................................. 5-35
1.4.3 Factory Reset / Settings Reset ............................................................................. 5-35
1.4.4 Quiet mode ........................................................................................................... 5-36
1.4.5 Engine error ignore mode ..................................................................................... 5-36
1.4.6 One Push printing recovery mode ........................................................................ 5-36
1.4.7 Check sensor operation ....................................................................................... 5-37
1.4.8 Print continuous lattice pattern ............................................................................. 5-38
1.4.9 Check RAM .......................................................................................................... 5-38
1.4.10 Change ON/OFF setting for duplex printing ......................................................... 5-39
1.4.11 Change A4/Letter setting for paper size ............................................................... 5-39
1.4.12 Maintenance printing ............................................................................................ 5-40

vConfidential
1.4.13 Print maintenance data and frame pattern ........................................................... 5-40
1.4.14 Change Ready LED light intensity in sleep mode ................................................ 5-41
1.4.15 Reset irregular power supply detection counter of
low-voltage power supply PCB ............................................................................. 5-41
1.4.16 Firmware installing mode ..................................................................................... 5-42
1.4.17 Ready state of maintenance mode for service personnel .................................... 5-42
2. OTHER SERVICE FUNCTIONS ................................................................................................ 5-43
2.1 Engine Error Ignore Mode (LCD models only) .................................................................. 5-43
2.2 Change USB No. Return Value / Adjust Left-end Print Start Position on
Second Side when Duplex Printing (LCD models only) .................................................... 5-44
2.3 Print Printer Settings ......................................................................................................... 5-45
CHAPTER 6 WIRING DIAGRAM
1. WIRING DIAGRAM ..................................................................................................................... 6-1
CHAPTER 7 PERIODICAL MAINTENANCE
1. PERIODICAL REPLACEMENT PARTS ..................................................................................... 7-1
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

vi Confidential
REGULATION
Declaration of Conformity (Europe only)
We, Brother Industries, Ltd.
15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561 Japan
declare that this product is in conformity with the essential requirements of all relevant
directives and regulations applied within the European Community.
The Declaration of Conformity (DoC) can be downloaded from our website. Visit
http://support.brother.com and:
select Europe
select country
select your model
select “Manuals”.
Your Declaration will be downloaded as a PDF file.
IEC60825-1:2007 Specification (For 220-240V models only)
This product is a Class 1 laser product as defined in IEC60825-1:2007 specifications. The
label shown below is attached in countries where required.
This product has a Class 3B Laser Diode which emits invisible laser radiation in the Laser
Unit. The Laser Unit should not be opened under any circumstances.
Internal Laser radiation
Wave Length: 770 - 800 nm
Output: 25 mW max.
Laser Class: Class 3B
Wireless LAN (Models with Wireless LAN function only)
This product supports Wireless LAN.
WARNING
Use of controls, adjustments or performance of procedures other than those specified in
this manual may result in hazardous radiation exposure.
CLASS 1 LASER PRODUCT
APPAREIL À LASER DE CLASSE 1
LASER KLASSE 1 PRODUKT

vii Confidential
Disconnect Device
Wiring Information (U.K. only)
If you need to replace the plug fuse, fit a fuse that is approved by ASTA to BS1362 with the
same rating as the original fuse.
Always replace the fuse cover. Never use a plug that does not have a cover. If in any doubt,
call a qualified electrician.
Warning -This product must be earthed.
The wires in the mains lead are coloured in line with the following code:
• Green and Yellow: Earth
• Blue: Neutral
•Brown:Live
LAN Connection (Network models only)
Radio Interference
This product complies with EN55022 (CISPR Publication 22)/Class B.
Recycling Information in accordance with the WEEE and Battery Directives
The product/battery is marked with one of the above recycling symbols. It indicates that at
the end of the life of the product/battery, you should dispose of it separately at an appropriate
collection point and not place it in the normal domestic waste stream.
CAUTION
This product must be installed near an electrical socket that is easily accessible. In case of
emergencies, you must disconnect the power cord from the electrical socket to shut off
power completely.
CAUTION
DO NOT connect this product to a LAN connection that is subject to over-voltages.
Product mark Battery mark
European Union only