SERVICE MANUAL - service-repair
Contents
1. nnn 7 1 Jj CONTROLEPANEEL aria daa 7 1 DERE cd Mm 7 1 1 2 User Maintenance Mode A 7 3 1 3 SSRVICS Mode piu id E 7 5 2 JRO DEN FUNG g ie Ce REECH 7 15 2 1 Professional Menlo t ere bee P RU te rectas tate e tux ERR Rape ex ER Raus 7 16 2 2 Reset Parts Life Menu aei cea de cue ari ad rx dec hp e ier dada 7 23 2 8 Senice Mehl rte beo Ft ER aer OR RR cR ERE eege dee 7 24 3 INVRAM DEFAULT VALUE utopia Suae Fas EBEN 7 29 APPENDIX 1 MAIN RARA A 1 2 LOW VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM 100V 200V A 8 3 Le POWER SUPPLY PCB CIRCUIT DIAGRAM A 10 4 ROINT TO POINT CONNECTION DIAGRAM coc A 11 O GEAR LAYOUT DRAWING os A 12 A6 READMARKS A A 14 3e 7 LOCATION OF THE FERRITE CORE eene A 15 SN ce viii Confidential fineline62. HL 5240 5250DN 5270DN 5280DW SERVICE MANUAL BN Le TN 2 5 2 93 10 A o e 2 5 2 3 11 Video UO 2 5 2 39 12 ee EE 2 5 2 39 13 Wirel ss LAN RE 2 5 24 Power Supply E 2 6 2 4 1 Low voltage power supply ener re eege a EVERE ewe et 2 6 2 4 2 High voltage power supply ooooooocooncccccconcccnnconccncnnnencnnnnnnnnnnnn cnc nnnnnnn nn nnnm nenne nennen 2 6 MA ON A 2 7 3 1 Overview of Printing Mechanism ssssssssseeeeneeen nennen rr 2 7 3a COVE WO EAN QM m 2 8 3 3 TS 2 9 E ee 2 9 JE Aperrados 2 11 Ke E DBI sees PO En 2 11 3 34 A O ssa 2 12 33 9 FIXING Stage EE 2 13 3 90 Paper electis een cake eet ee en RE ee 2 14 3 3 7 Duplex printing HL B2PODNIG2GODNIG2DODWW TL 2 15 3 3 8 Paper feeding from the MP tray 0 eee eeeeceeeeeneeeeeeeeeeeeeeeeeeeeaaeeeeeeeaeeeseaeeeeseaeeeeeeenaeees 2 16 E ECH 2 16 3 4 A nennen nennen nere en nennen nennen nennen 2 17 34 1 Foterltte SMG Mode ee 2 17 3 4 2 New toner detection mechanism cceecceeceeeeeneeeeeeeeceseeeeeeensconeeseeeeesseneeneteesseneeseeaeente 2 19 3 4 3 Counter reset during indication of Toner Life End 2 20 IS PRIN PrOCOSS x EE 2 21 ed ere Tue EE 2 21 320 2 EXPOSUPE SADO EE 2 21 O EST eege eegene ee ep eae 2 22 SWEET LO M 2 23 3 7 Heat Control of Fuser Unilt irent eerte cete esee a estesa Ene Lc v sue cA eR LR neca 2 24 CHAPTER 3 PERIODIC MAINT
3. KE Brother Laser Printer SERVICE MANUAL _ loo 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 PRNO57 11 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 HIP Il and IIP are trademarks of Hewlett Packard Company IB
4. PE Actuator Edge Actuator Edge Actuator Spring sssssssssssss 5 74 7 43 PE PG Sensor ASSY scie tera eei dd ineditos 5 76 7 44 Wireless PCB PCB T60H929 00 ASSY 02 For HL 5280DW sss 5 77 DISASSEMBLY PROCEDURE LT B300 cce taraen tnt cari se a uoa ncs 5 78 9 1 Paper MAY used ree EE reatu ir 5 78 8 2 LET Front Cover ASSY ue eed e Ett erred hid a ln ie NC eren n deae 5 81 8 2 LI Rear CoVerz incendii te Ru vei Ad SEU AAN edd 5 82 8 4 LT Side Cover EE e EE 5 82 8 5 LET Side Cover H iis ease enata A 5 83 8 6 NNLOIS Qt 5 84 8 7 Connector 55533 1219 ios usu EE 5 85 8 8 Connector 54702 1219 eere RNC EE 5 85 JC EEC EU IN M 5 86 8 10 Collar 6 M da a ta beds ia E 5 87 8 11 LT Solenoid ASSY 55 ee teet Re Rex ina beta adi 5 91 8 12 Roller Holder ASSY iii ii id idas 5 92 8 13 Edge Actuator SPAN DEE 5 93 8 14 PE Actuator Edge Actuator oooooccccnnoccccconoonnnccononnncnnnonnncnnnonnncnnnnr nn nn naar nn nnnnnn nn ennt enne 5 94 8 15 LT Sensor POB ASSY estoica saciar sd x ERE DER MEAN R TR RENE ANE aaa aE Naaa aaa Ea 5 95 vii Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT 6 1 1 IP YOU REPLACE THE MAIN POB eicacnsctenecis dnsiasue rice 6 1 2 IF YOU REPLACE THE PERIODICAL MAINTENANCE PARTS 6 10 CHAPTER 7 SERVICE SUPPORT SOFTWARE
5. 2 3 SCREW TORQUE LIST WE 5 3 a RHARNESS ROUTING E 5 4 EE e Asics Dc stad insl peated inn UK E ess isa ERE ED RE EK D OR iene tcc DR UK NR 5 13 6 DISASSEMBLY FLOW siria iia 5 14 1 DISASSEMBLY PROCEDURE EE 5 15 EN GRC COU O A A a a aa iaa 5 15 4 2 Drum Toner AS9Y EE 5 15 3 DX Feed ASSY E Q EE 5 16 7 4 Paper Trays AE 5 16 LO Back Covering S E 5 20 7 6 DX Blank Cover For HL 5240 20 0 2 ce eececceccececeeeeececaeceeeeeeesecaaaeeeeeesecseaaeaeeeeeeesecseaeeneees 5 20 7 7 Outer Ch te ASSY 0 eect cece ene eect eae teen cane ee eeeaaeeeeeeaaeeeeeeaaeeeeeeaaeeeseeaeeeeeeiaeeeeneaaes 5 21 INS Mit MM 5 23 19 SPAY MP AS EE 5 25 7 40 MP Tray Cover ASSY Process Cover AN 5 26 7 11 Access Cover Side Cover L c ccccccecccccecenccceeseneneeesenecesesensceeesneceeeneneaeeeseneeeeeeseneeenensnes 5 28 LESEN 5 29 7 13 Gear Plate Calking ASSY AL Develop Joint Main Motor ASSY AL 5 30 7 14 Main Shield Plate AG 5 32 7 15 Relay Rear PCB ASSY Connector nennen nennen nnne 5 34 7 16 Relay Front PCB ASSY sssssssssssseen een ener en nennen herren nennen nennen nns 5 36 LAT d ee BEE 5 37 TAS Drive Release Link uiri tore e stad e pd eas ed eet a eed 5 38 TAS T1 Solenoid ASSY E 5 39 7 20 Toner Sensor POB genee eege e a 5 39 21 Register Solenoid ASS ipie o e HER xe Dou p Ge E Ope pete sepe dead aed a 5 40 7 22 Ejector Solenoid ASSY For HL 5250DN 5270DN 5280DW sssseseeee 5 40 7 23 Inte
6. ENANCE eere 3 1 qj CONSUMABLE PAIS EE 3 1 1 1 Toner Cartridge ice eet ee ee e dee aee i tee ieu Lee 3 1 1 2 Du MIC P M 3 7 2 PERIODICAL REPLACEMENT PARTS dsscioiocianicianianionininadaninnacionininacanininaianicinecad 3 12 2 1 Periodical Replacement Parts 3 12 2 2 Procedures to Replace Periodical Replacement Parts sssssssssssssss 3 13 2 2 1 Fuser unit and laser Url iiim caro ig Ete dudar Rea Tae Fou ERES o Fer VR DD de Led gra 3 13 2 2 2 Paper feeding kit for tray 1 2 Turion d 3 35 2 2 3 Paper feeding kit for MP tray cei race 3 43 iii Confidential s PERHIOBIGAL GUERMIBI EE 3 49 3 1 Cleaning the Inside of the Printer emnes 3 49 3 2 Cleaning the Corona Wire i ee eot ire 3 52 CHAPTER 4 TROUBLESHOOTING sscciisocnioianiaion nanicinoncioloncinnidas canielci os 4 1 1 INTRODUCTION MM A dean 4 1 TH Wi Ee VE 4 1 1 2 Warnings for Maintenance Work nennen ener enne 4 2 1 3 Identify the Problems ocios 4 3 2 ERROR SE 4 4 2 1 Operator CallS ic esd Em 4 4 2 1 1 Operator calls for HL 5240 5250DN teaiin enoeet aaaeeeaa adaa a Eea Taaa aaa R 4 4 2 1 2 Operator calls for HL 5270DN 5280DW ssssssesssee eene nennen nene nennen 4 6 22 STIR 4 8 2 2 1 Service calls for HL 5240 5250DN ooconnocccccononcncnononnnononnnnnnnnnnnnnnnnn cnn nn nn nennen enne nnne 4 8 2 2 2 Service calls for HL 5270DN 5280DW ssssssseeeeee
7. M 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 PREFACE This service manual contains basic information required for after sales service of the laser printer hereinafter referred to as this machine of 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
8. ND FUNCTIONS nennen nena nnn ness nnn naa 1 3 21 e UA 1 3 2 2 Control Panel tito ci tete ca A HN o EN Ed 1 5 3 SrFECIFICA TON NN Np 1 7 SEN d ul e A O 1 7 32 tee EE 1 8 3 3 Electronics aiid Mechanics dct etae ttd Un alada d Rt eda ed XR Re ad ae vend 1 11 SE MET A A 1 12 3 5 Network Connectivity coins O nei sea coena Ee 1 12 SRM ec 1 14 3 6 1 A y AA 1 14 3 0 2 Media specificatioris ssrfi eer a gege 1 14 3 1 Printable Area ce ON tends dd ae ees 1 17 3 7 1 PCL5e EPSON IBM emulation 2 1 17 3 7 2 PCLO emu latl n nue OA ia ti ab atodos hi n 1 20 3 8 Print Speeds with Various Geitnge 1 21 3 9 Toner Cartridge Weight Intormanon enne emere nnns 1 22 d SERIAL NO DESCRIPTION E 1 23 CHAPTER 2 THEORY OF OPERATION sceeeeeeeeeeeeeeeeeeeeeeeeeeees 2 1 1 OVERAL EG 2 1 11 General Block Diagtatm iret E O 2 1 2 ELECTRONICS mirerien E A Im icio e a t iE 2 2 21 General Block DiagraM a tt trant aia 2 2 2 2 Main PCB Block Diagram aei ce aee dae EENS cc 2 3 2 9 Main POB EE 2 4 E A EE EA EE 2 4 2 3 2 USB interface 2 0 High Speed eee eeececeeeeeeeeeceeeeeeeeeeeaeeeeeeeceaeeeeeeesaeeeeeeesnaeeseeeeeteeeeaes 2 4 2 33 IEEE 1284 un ELE 2 4 2 9 4 Network Interface ici a A EEEa RaR EAA ua aga o cone kae Edge CS 2 4 O 2 4 2 9 6 SDRAM A O 2 4 23 17 Optional RA Misco intra 2 4 EE EE 2 4 ii Confidential
9. manual consists of the following srapters CHAPTER 1 GENERAL Features specifications etc CHAPTER2 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 TABLE OF CONTENTS REGULATION E viii SAFETY INFORMATION seess eeneg enonsa eaa rana Nea nran x CHAPIERT GENERAL eniti rx PRI XUI QURE D E DARE PK H DU EEE ROTE EEERE 1 1 do REATURES uiii ms easque imd dp DI MM LIE ILE DUE ME 1 1 2 PARTS NAMES A
10. ne eene nennen enne nnns 4 10 2 3 Error Message in the Status Monitor 4 12 24 Error Ee Ee LTC 4 14 3 PAPER PROBLEMS EE 4 15 3 1 Paper Loading Problems iecore dios 4 15 3 2 Paper Jams 4 16 3 2 1 Paper jams and how to clear them for HL B2AOIDZDODN m 4 16 3 2 2 Paper jams and how to clear them for HL 5270DN 5280DW sse 4 18 3 2 3 Causes amp countermeasures 3e eene enne en nennen nennen 4 26 3 3 Paper Feeding Probleme AS eenen nE NA EEANN 4 27 SOFTWARE SETTING PROBGGMS wosacsscisissssaisiccissisisctaeteatadastsatedaedsniatacdsadadaansas 4 29 MALFUNGTIONS sccis EE 4 32 IMAGE DEFECTS EEN 4 38 6 1 Image Defect EXamples siesto rassi isini a S te cen ced aa co Ad 4 38 6 2 Diameter gr Pollers iie asc aser taceo Ar EE HH ERR eevee 4 38 6 3 Troubl gndoting Image Defect ANNER 4 39 6 4 Location of Grounding Contacts eene nennen nns 4 57 io s ESPUMA 4 57 6 42 Printer body amp Paper tray oca mite ideo rita 4 57 INCORRECT We Che E WEEN 4 58 NETWORK PROBLE M EE 4 60 841 Installation Problem iie ec tete ta A ATAA 4 60 9 2 Printing Problem RE 4 63 8 3 Protocol Specific Troubleshbootmg eene nemen 4 65 8 4 Wireless Network Troubleshooting eene emen 4 66 iv Confidential HL 5240 5250DN 5270DN 5280DW SERVICE MANUAL CHAPTER 5 DISASSEMBLY AND RE ASSEMBLY 5 1 te SAFETY Eesen 5 1 2 RAOK ING Me e NU 5
11. rlock SW ASSY A 5 41 7 24 New Toner Achiator eene enne EEANN EEES nennen eer rennen enne 5 41 7 25 Gear 17 20 muiaa iib dta ab B da d Ta e t A LH he a Ua ctu 5 42 120 ode COVER R E 5 44 7 27 1 Top Cover Printed ASSY For HL 5240 5250DN sse 5 45 12212 Panel PCB ASSY nsi ea ie EVE gae ua ER e Reo ca UL AR a 5 45 LIS SW Koy AlB iii idas 5 46 7 27 4 Inner Chute Pinch Roller Holder 5 47 V Confidential HL 5240 5250DN 5270DN 5280DW SERVICE MANUAL 7 28 1 Top Cover 2 Printed ASSY Panel Plate Printed ASSY For HL 5270DN 5280DW 5 48 7 28 2 Inner Chute Pinch Roller Holder 5 49 7 28 3 Panel PCB ASSY casita iii dE ee 5 50 7 28 4 SW Key A B C Set Key Printed ASSY sss 5 51 7 28 b LCD Holder ASSY E 5 53 juu 5 55 T80 Laser Ulla I 5 56 7 31 PS PGB n EE 5 57 7 32 High Voltage PS PCB ASSY sse enne nennen nnne 5 60 7 33 Toner LED PCB Unit ASSY cossirier seinan aaa nnne nen nennen 5 62 7 94 Fanm Motor 60 UNI EE 5 63 7 35 Fan Motor 60 Unit V t Re ER Pl iii nua 5 63 Ve guru 5 64 LOT FME R M 5 64 7 98 MEDIE 5 65 7 39 Regist Actuator Rear Regist Actuator Gring 5 70 7 40 Regist Actuator Front Regist Actuator Gprimg arrancan 5 72 7 41 Roller Holder ASSY ettet einn iik hon nino nha cn rk ERE ARa eaa 5 73 7 42
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