Brother 1240, 1250 REF.NO Code QTY Description Remark, Fixing UNIT, 115V SP, Fixing UNIT, 230V SP

Page 226

4. FIXING UNIT

REF.NO.	CODE	Q'TY	DESCRIPTION	REMARK
1	LJ4164001	1	FIXING UNIT, 115V (SP)
1	LJ4168001	1	FIXING UNIT, 230V (SP)
1	LJ4718001	1	FIXING UNIT, 230V LEG (SP)
1-1	UL8902001	1	THERMISTOR ASSY
1-2	087311215	1	TAPTITE, CUP B M3X12
1-3	LJ4169001	1	HEAT ROLLER 25 (SP)
1-3	LJ4719001	1	HEAT ROLLER 25 LEG (SP)
1-4	UL8908001	2	HR BEARING 25
1-5	LJ4160001	1	HALOGEN LAMP, 115V (SP)
1-5	LJ4163001	1	HALOGEN LAMP, 230V (SP)
1-6	UL8929001	8	EJECT PINCH ROLLER
1-7	LJ4431001	8	PINCH SPRING
1-8	LJ4407001	2	CLEANER ROLLER ASSY
1-9	LJ4409001	2	CLEANER SPRING
1-10	087312015	2	TAPTITE, CUP B M3X20
1-11	Z07200001	1	TAPTITE, PAN B M3X10
1-12	LJ4845001	4	PICK OFF FINGER (SP)
1-13	LJ4853001	1	PRESSURE ROLLER 20 (SP)
1-13	LJ4852001	1	PRESSURE ROLLER 20 LE (SP)
1-14	UL8920001	1	PAPER EJECT ACTUATOR
1-15	UL8921001	1	EJECT ACTUATOR SPRING
1-16	UL8914001	1	IDLE GEAR 13

2087320815 1 TAPTITE, CUP S M3X8

3LJ4740001 2 SHOULDER SCREW

MODEL HL-1030/1240/1250/1270/1270N 84U-Z04/Z01/Z02/Z05/Z03-050/051

T/I NO. PR99179, PR99186, PR2000029, PR2000057, PR2000157

- 5 -

Image 226

Contents Model HL-1030/1240/1250/1270N SM-PRN001Page Preface Table of Contents Theory of Operation Disassembly and RE-ASSEMBLY Periodic Maintenance TroubleshootingIndex Manufacturedk ManufacturedcIEC 825 220-240V Model only For Finland and SwedenSafety Information AchtungDefinitions of WARNINGS, Cautions and Notes Quick Print Setup FeaturesHigh Resolution and Fast Print Speed Versatile Paper HandlingEnhanced Memory Management Environment-FriendlyBar Code Print for HL-1250/1270N only Network Feature for HL-1270N onlyIsbn UPC-A UPC-E EAN-8 Rear View HL-1030/1240 OverviewFront View HL-1250/1270NPrinting SpecificationsDIB Functions CPUElectrical and Mechanical Paper Network for HL-1270N onlyFeedable paper General Paper cassette capacity Print deliveryPrinting Area Print guaranteed areaEffective printing area COM10 MonarchPower Supply Conditions Required for InstallationEnvironment Unpacking Install the Printer For Windows UsersInstallation and Basic Operation Load paper Install the drum unitFor Windows Users with No CD-ROM Drive Print a testInstall the printer driver from floppy disk Connect the printer and the computerInstall the USB driver Using the USB Interface for Windows 98 onlyConnect the USB interface cable Installation and Basic Operation For Macintosh iMac and Power Macintosh with USB Users Only Set the PC printer portLoad Paper into the Paper Cassette Paper HandlingLoad Paper Manually Two Side Printing Manual Duplexing To print on both sides of the paper from the paper cassetteInstallation and Basic Operation Drum Ready AlarmControl Panel Operation DataData Toner LED Indications Alarm LED IndicationsDrum LED Indications Control Panel Button Operations Other Control FeaturesSleep mode Operation DescriptionTest print mode Preparing the BR-net Board Network Board Operation for HL-1270N onlyConnect the Ethernet cable LED functions Print configurationFactory default setting LED green Link activityGeneral Block Diagram ElectronicsHL-1250 RAM 4MBShows a general block diagram of the HL-1270N printer HL-1270NMain PCB Block Diagram USB I/O CPU Core Reset Circuit Main PCB Asic HL-1030/1240HL-1250/1270N Theory of Operation 2 ROM HL-1030/1240 Two 32 Mbits ROMs x 16 bit are fitted Flash ROM for HL-1270N only Dram HL-1030/1240Two 16M-bit DRAMs x 16 bits are used as the RAM Optional RAM HL-1250/1270N Optional serial I/O HL-1250 PCI bus HL-1270NReset circuit HL-1030/1240 Eeprom HL-1030/1240Engine I/O HL-1030/1240 Engine PCB BR-net PCB for HL-1270N onlyLow-voltage power supply High-voltage power supply GNDMechanics Overview of Printing MechanismPCB Paper supply Paper TransferPaper registration Paper eject SensorsCover sensors a and B Drum Unit Toner CartridgeCharging Print ProcessExposure stage Developing Transfer Fixing stageTAPTITE, CUP S Safety PrecautionsScrew Disassembly Flow PCBsDisassembly Procedure AC CordPaper Cassette Taptite, Torx pan M3x8 Disassembly and RE-ASSEMBLY Side guide L Side guide R Paper cassette Paper cassette Release lever extension spring Lock lever ➀ ➁ Network Board for HL-1270N only Front Cover Top Cover Main Cover Tray extension flap Main cover Laser Unit Drive Unit Main motor Assy Grease Molykote PG-662 1 rice-grain size Fixing Unit Fixing unit Main frame Concavity Remove the fixing unit cover from the fixing unit frame Halogen lamp Taptite, pan M3x10 Heat roller bearing Washer Heat roller gear Heat roller gear Heat roller bearing Embossment Heat roller cleaner Fixing unit frame Cleaner spring Hooks Thermistor Fixing unit frame Taptite, cup M3x12 Fixing unit frame First eject roller Idle gear PR2000057 26B Base Plate Ground wire Plastic chute Slit Main frame Main PCB Assy Lower Tray Relay PCB Assy for HL-1250/1270N onlyLow-Voltage Power Supply PCB Assy 30A Engine PCB Assy / High-Voltage Power Supply PCB Assy PCB AssyToner sensor light Panel PCB Assy Solenoid AssyClutch lever spring For paper feed roller Step Cassette guide L/F Taptite, cup M3x6 Fan Motor Assy Toner Sensor PCB Assy Light Emission Toner Sensor PCB Assy Light ReceptionPaper Pick-up Roller Assy Paper Feed Roller Assy Outer Chute 70aPacking Replacement Procedure Consumable PartsToner Cartridge Periodic Maintenance Periodical Replacement Parts AssyCleaning the Printer Exterior Periodical CleaningCleaning the Drum Unit Cleaning the Scanner Window Clean the Electrical TerminalsMtbf / Mttr Periodic Maintenance Introduction Initial CheckTroubleshooting Identify the Problem Printer does not print Printed page has a problemLED Indication Error Remedy Operator Calls & Service CallsService Calls Operator CallsSee ‘M-11 Service B’ How the LEDs indicate an errorError Messages in the Status Monitor Error MessagesError Message Remedy Main Motor Error RAM ErrorNV-RAM Error ErrorError Message Printouts Paper Loading Problems Paper ProblemsProblem Remedy Paper Jams Clearing jammed paperProblem Type of Jam Cause Remedy Causes & countermeasuresWrinkles or creases Paper Feeding ProblemsDouble feeding User CheckSkew Curl or WaveSoftware Setting Problems Subsection 10.1 ‘Test PrintUnable to print from application software under DOS HL-1240/1250/1270N only Value or alphabet following ‘BR’ is a product ID Malfunctions No AC power suppliedNo DC power supplied PCBMain motor does not rotate No paper suppliedFixing heater temperature failure Insufficient output from high-voltage power supply unitBD failure Fuser failure Scanner failurePCB 24V DC? Engine interface error ROM error / D-RAM error / NV-RAM errorPCI BUS error HL-1270N only Image Defects Image Defect ExamplesTroubleshooting Image Defect LightDark Completely blank All black How to clean the pressure roller Dirt on the back of paperBlack and blurred vertical streaks Black and blurred horizontal stripes Black vertical streaks in a gray backgroundWhite vertical streaks White horizontal stripesFaulty registration Poor fixingImage distortion Faint printWhite spots Photosensitive drum Black spots Black bandGray background Hollow printDownward fogging of solid black Horizontal linesLight rain GhostToner specks Drum unit Location of Grounding ContactsPrinter body & Paper cassette Incorrect Printout Printer prints unexpectedly or it prints garbageFor HL-1250/1270N only User Check For connecting by RS-232C/422A on HL-1250 only User Check For DOS environment onlyNetwork Problem for HL-1270N only Installation ProblemIntermittent Problem TCP/IP Troubleshooting Unix TroubleshootingWindows NT/LAN Server TCP/IP Troubleshooting Windows 95/98 Peer to Peer Print LPR TroubleshootingInternet Print TCP/IP Troubleshooting Novell Netware Troubleshooting AppleTalk TroubleshootingWeb Browser Troubleshooting TCP/IP Apple TCP/IP Printing System 8.6 or laterType of mode Function Inspection ModeTest Print Mode For the demo printerInspection Mode Type of inspectionDrum Factory inspection modeAlarm ReadyTroubleshooting Troubleshooting Appendix 1. Serial NO. Descriptions Biuk0 0 1 0 Appendix 2. Diameter / Circumference of Rollers Media type setting All models Appendix 3. Print Speeds with Various SettingsMedia type setting HL-1240 demo model Appendix 4. HOW to Know Drum Unit Life & page Counter Print Configuration for HL-1240/1250/1270N onlyTest Print for HL-1030 only Fig. A-2How to Read the Drum Unit Life How to calculate drum unit lifeHow to Read the Page Counter How to Read the Maintenance Information Fig. A-4Fig. A-7 Appendix 5. HOW to USE the SELF-DIAGNOSTICS Tools Troubleshooting for Printer won’t printDiagnostics Fig. A-10If you click the OK button in , the dialog box below appears Printer Information Fig. A-13Appendix 6. Nvram Default Value Items DescriptionsAppendix 7. Paper Cassette Information for Europe only Fig. aAppendix 8. Connection Diagram, HL-1030/1240 Appendix 9. Connection Diagram, HL-1250 Appendix 10. Connection Diagram, HL-1270N Appendix 11. Main PCB Circuit Diagram, HL-1030/1240 1/2 Appendix 12. Main PCB Circuit Diagram, HL-1030/1240 2/2 Appendix 13. Main PCB Circuit Diagram, HL-1250/1270N 1/5 Appendix 14. Main PCB Circuit Diagram, HL-1250/1270N 2/5 Appendix 15. Main PCB Circuit Diagram, HL-1250/1270N 3/5 Appendix 16. Main PCB Circuit Diagram, HL-1250/1270N 4/5 Appendix 17. Main PCB Circuit Diagram, HL-1250/1270N 5/5 Appendix 18A. Engine PCB Circuit Diagram OLD Appendix 18B. Engine PCB Circuit Diagram NEW Appendix 19. Network Board Circuit Diagram, HL-1270N Low-voltage PS Circuit 110 Low-voltage PS Circuit 220 High-voltage PS Circuit CN1 CN2 DEV1 High-voltage power supply PCB / Engine PCB Electrode helical spring / ChuteIndex Electrical terminal 22,4-30 2-10, 4-4, A-16 1-4 Index Parts Reference List PL-PRN001REF.NO Code ’TY Description Symbol Remark B48K056 201AContents TAPTITE, CUP S M3X6 REF.NO Code QTY Description Symbol RemarkMain Motor Assy Solenoid AssyFrame / Drive Unit Bearing JointConductor Bearing Paper Feeder REF.NO Code QTY Description Remark Cleaner Roller AssyCleaner Spring Fixing UNIT, 115V SPFixing Unit Pressure Plate ASSY, LGL Paper IndicatorPaper Tray ASSY, LGL SP Pressure Plate SpringPressure Roller Holder Paper Tray Assy 3 SPPaper Tray ASSY, LEG SP Paper Cassette 10 UL9142001 1 Second Eject Roller Assy Rear CoverTOP Cover Model PlateCovers Main PCB ASSY, HL-1240 HEB SP Main PCB ASSY, HL-1030 SPMain PCB ASSY, HL-1240 SP Main PCB ASSY, HL-1240 PB SPHL-1030 HL-1240 HL-1250 HL-1270/1270N LOW-VOLTAGE PS ASSY, 115V SP Engine PCB Assy A, 1240 SPEngine PCB Assy A, 1250 SP LJ8330001 1 Protection TubeEngine PCB AC Cord ASSY, SEV AC CORD, UL/CSAAC Cord ASSY, SAA AC CORD, ChliHigh Voltage Power Supply PCB Setup GUIDE, NL Setup GUIDE, FRASetup GUIDE, GER Setup GUIDE, NORAccessories CARTON, HL-1030 can Accessory CartonCARTON, HL-1030 EU CARTON, HL-1240 USPacking Materials Torx Screw Driver Tool no Tool Name RemarkMolykote PG-662 ADD

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