Brother 1250, HL-1030 Identify the Problem, Printer does not print Printed page has a problem

Page 125

CHAPTER 6 TROUBLESHOOTING

1.3Identify the Problem

If you encounter any printer error or problem, first identify it referring to the chart below, then see the appropriate section. NOTE:

The following troubleshooting sections contain both the actions which users should take or check and the ones which service technicians should perform.

The printer does not print.

Printed page has a problem.

LED is blinking.

2.1 'Operator Calls'

Printed image has

 

 

a problem.

 

2.2 'Service Calls'

 

7 'Image Defects'

4.2 'Paper Feeding Problems'

Status monitor error message appears.

Error message is printed.

The printer does not load paper.

3.1 'Error Messages

Turn off and on the printer

in the Status Monitor' (Service errors

power switch.

only)

(The same error appers.)

 

3.2 'Error Message Printouts'

(Service errors only)

6. 'Malfunctions'

4.1 'Paper Loading Problems'

Printout is not correct.

8 'Incorrect Printout'

Paper jam occurs. 4.2 'Paper Jams'

The printer does

 

5. 'Software Setting Problems'

not start printing.

 

 

 

 

 

9. 'Network Problem'

6-3

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Contents SM-PRN001 Model HL-1030/1240/1250/1270NPage Preface Table of Contents Theory of Operation Disassembly and RE-ASSEMBLY Troubleshooting Periodic MaintenanceIndex Manufacturedc ManufacturedkFor Finland and Sweden IEC 825 220-240V Model onlyAchtung Safety InformationDefinitions of WARNINGS, Cautions and Notes High Resolution and Fast Print Speed FeaturesQuick Print Setup Versatile Paper HandlingEnvironment-Friendly Enhanced Memory ManagementIsbn UPC-A UPC-E EAN-8 Network Feature for HL-1270N onlyBar Code Print for HL-1250/1270N only Front View OverviewRear View HL-1030/1240 HL-1250/1270NDIB SpecificationsPrinting CPU FunctionsElectrical and Mechanical Feedable paper Network for HL-1270N onlyPaper General Print delivery Paper cassette capacityEffective printing area Print guaranteed areaPrinting Area Monarch COM10Environment Conditions Required for InstallationPower Supply Unpacking For Windows Users Install the PrinterInstallation and Basic Operation For Windows Users with No CD-ROM Drive Install the drum unitLoad paper Print a testConnect the printer and the computer Install the printer driver from floppy diskConnect the USB interface cable Using the USB Interface for Windows 98 onlyInstall the USB driver Installation and Basic Operation Set the PC printer port For Macintosh iMac and Power Macintosh with USB Users OnlyLoad Paper Manually Paper HandlingLoad Paper into the Paper Cassette To print on both sides of the paper from the paper cassette Two Side Printing Manual DuplexingInstallation and Basic Operation Control Panel Operation AlarmDrum Ready DataDrum LED Indications Alarm LED IndicationsData Toner LED Indications Sleep mode Other Control FeaturesControl Panel Button Operations Operation DescriptionTest print mode Connect the Ethernet cable Network Board Operation for HL-1270N onlyPreparing the BR-net Board Factory default setting Print configurationLED functions LED green Link activityElectronics General Block DiagramRAM 4MB HL-1250HL-1270N Shows a general block diagram of the HL-1270N printerMain PCB Block Diagram USB I/O CPU Core Reset Circuit Asic HL-1030/1240 Main PCBHL-1250/1270N Theory of Operation 2 ROM HL-1030/1240 Two 32 Mbits ROMs x 16 bit are fitted Dram HL-1030/1240 Flash ROM for HL-1270N onlyTwo 16M-bit DRAMs x 16 bits are used as the RAM Optional RAM HL-1250/1270N PCI bus HL-1270N Optional serial I/O HL-1250Eeprom HL-1030/1240 Reset circuit HL-1030/1240Engine I/O HL-1030/1240 BR-net PCB for HL-1270N only Engine PCBLow-voltage power supply GND High-voltage power supplyOverview of Printing Mechanism MechanicsPCB Paper registration Paper TransferPaper supply Cover sensors a and B SensorsPaper eject Toner Cartridge Drum UnitExposure stage Print ProcessCharging Developing Fixing stage TransferScrew Safety PrecautionsTAPTITE, CUP S PCBs Disassembly FlowAC Cord Disassembly ProcedurePaper 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 Lower Tray Relay PCB Assy for HL-1250/1270N only Main PCB AssyLow-Voltage Power Supply PCB Assy 30A PCB Assy Engine PCB Assy / High-Voltage Power Supply PCB AssyToner sensor light Solenoid Assy Panel PCB AssyClutch lever spring For paper feed roller Step Cassette guide L/F Taptite, cup M3x6 Fan Motor Assy Toner Sensor PCB Assy Light Reception Toner Sensor PCB Assy Light EmissionPaper Pick-up Roller Assy Paper Feed Roller Assy 70a Outer ChutePacking Consumable Parts Replacement ProcedureToner Cartridge Periodic Maintenance Assy Periodical Replacement PartsCleaning the Drum Unit Periodical CleaningCleaning the Printer Exterior Clean the Electrical Terminals Cleaning the Scanner WindowMtbf / Mttr Periodic Maintenance Initial Check IntroductionTroubleshooting Printer does not print Printed page has a problem Identify the ProblemService Calls Operator Calls & Service CallsLED Indication Error Remedy Operator CallsHow the LEDs indicate an error See ‘M-11 Service B’Error Message Remedy Error MessagesError Messages in the Status Monitor NV-RAM Error RAM ErrorMain Motor Error ErrorError Message Printouts Problem Remedy Paper ProblemsPaper Loading Problems Clearing jammed paper Paper JamsCauses & countermeasures Problem Type of Jam Cause RemedyDouble feeding Paper Feeding ProblemsWrinkles or creases User CheckCurl or Wave SkewSubsection 10.1 ‘Test Print Software Setting ProblemsUnable to print from application software under DOS HL-1240/1250/1270N only Value or alphabet following ‘BR’ is a product ID No DC power supplied No AC power suppliedMalfunctions PCBNo paper supplied Main motor does not rotateBD failure Insufficient output from high-voltage power supply unitFixing heater temperature failure PCB 24V DC? Scanner failureFuser failure PCI BUS error HL-1270N only ROM error / D-RAM error / NV-RAM errorEngine interface error Image Defect Examples Image DefectsLight Troubleshooting Image DefectDark Completely blank All black Dirt on the back of paper How to clean the pressure rollerBlack and blurred vertical streaks Black vertical streaks in a gray background Black and blurred horizontal stripesWhite horizontal stripes White vertical streaksPoor fixing Faulty registrationFaint print Image distortionWhite spots Photosensitive drum Black band Black spotsHollow print Gray backgroundHorizontal lines Downward fogging of solid blackGhost Light rainToner specks Printer body & Paper cassette Location of Grounding ContactsDrum unit Printer prints unexpectedly or it prints garbage Incorrect PrintoutFor HL-1250/1270N only User Check For DOS environment only User Check For connecting by RS-232C/422A on HL-1250 onlyInstallation Problem Network Problem for HL-1270N onlyIntermittent Problem Unix Troubleshooting TCP/IP TroubleshootingWindows 95/98 Peer to Peer Print LPR Troubleshooting Windows NT/LAN Server TCP/IP TroubleshootingInternet Print TCP/IP Troubleshooting AppleTalk Troubleshooting Novell Netware TroubleshootingApple TCP/IP Printing System 8.6 or later Web Browser Troubleshooting TCP/IPTest Print Mode Inspection ModeType of mode Function For the demo printerType of inspection Inspection ModeAlarm Factory inspection modeDrum ReadyTroubleshooting Troubleshooting Biuk Appendix 1. Serial NO. Descriptions0 0 1 0 Appendix 2. Diameter / Circumference of Rollers Media type setting HL-1240 demo model Appendix 3. Print Speeds with Various SettingsMedia type setting All models Print Configuration for HL-1240/1250/1270N only Appendix 4. HOW to Know Drum Unit Life & page CounterFig. A-2 Test Print for HL-1030 onlyHow to calculate drum unit life How to Read the Drum Unit LifeHow to Read the Page Counter Fig. A-4 How to Read the Maintenance InformationFig. A-7 Troubleshooting for Printer won’t print Appendix 5. HOW to USE the SELF-DIAGNOSTICS ToolsFig. A-10 DiagnosticsIf you click the OK button in , the dialog box below appears Fig. A-13 Printer InformationItems Descriptions Appendix 6. Nvram Default ValueFig. a Appendix 7. Paper Cassette Information for Europe onlyAppendix 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 Electrode helical spring / Chute High-voltage power supply PCB / Engine PCBIndex Electrical terminal 22,4-30 2-10, 4-4, A-16 1-4 Index PL-PRN001 Parts Reference ListB48K056 201A REF.NO Code ’TY Description Symbol RemarkContents Main Motor Assy REF.NO Code QTY Description Symbol RemarkTAPTITE, CUP S M3X6 Solenoid AssyFrame / Drive Unit Conductor Bearing JointBearing Paper Feeder Cleaner Spring Cleaner Roller AssyREF.NO Code QTY Description Remark Fixing UNIT, 115V SPFixing Unit Paper Tray ASSY, LGL SP Paper IndicatorPressure Plate ASSY, LGL Pressure Plate SpringPaper Tray ASSY, LEG SP Paper Tray Assy 3 SPPressure Roller Holder Paper Cassette TOP Cover Rear Cover10 UL9142001 1 Second Eject Roller Assy Model PlateCovers Main PCB ASSY, HL-1240 SP Main PCB ASSY, HL-1030 SPMain PCB ASSY, HL-1240 HEB SP Main PCB ASSY, HL-1240 PB SPHL-1030 HL-1240 HL-1250 HL-1270/1270N Engine PCB Assy A, 1250 SP Engine PCB Assy A, 1240 SPLOW-VOLTAGE PS ASSY, 115V SP LJ8330001 1 Protection TubeEngine PCB AC Cord ASSY, SAA AC CORD, UL/CSAAC Cord ASSY, SEV AC CORD, ChliHigh Voltage Power Supply PCB Setup GUIDE, GER Setup GUIDE, FRASetup GUIDE, NL Setup GUIDE, NORAccessories CARTON, HL-1030 EU Accessory CartonCARTON, HL-1030 can CARTON, HL-1240 USPacking Materials Molykote PG-662 ADD Tool no Tool Name RemarkTorx Screw Driver
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