Brother HL-5450DNT Service Manual

ConfidentialBrother Laser PrinterSERVICE MANUALMODEL:HL-5440D/5450DN/5450DNTHL-5470DW/5470DWTHL-6180DW/6180DWTRead this manual thoroughly before maint

viiConfidentialREGULATION Declaration of Conformity (Europe only) (HL-5470DW / HL-6180DW(T) only)We, Brother Industries, Ltd. of 15-1, Naeshiro-cho,

2-64Confidential Image distortion All blackStep Cause Remedy1Laser unit attachment failure Attach the laser unit correctly, and firmly tighten the s

2-65Confidential Dirt on the back of paper Vertical streaksFig. 2-8<User Check>- This problem may disappear after printing multiple sheets of

2-66Confidential Black vertical streaks in a light background Black band Vertical streaks<User Check>- Clean inside the machine and the coron

2-67Confidential White horizontal streaks<User Check>- This problem may disappear after printing multiple sheets of paper. When the machine has

2-68Confidential Black horizontal stripesFig. 2-9Diameter of rollers and pitch which appears in the image<User Check>- Clean inside the machine

2-69Confidential Faint print<User Check>- Check that the machine is installed on a level surface.- Replace the toner cartridge with a new one.-

2-70Confidential White spotsFig. 2-10<User Check>- Turn ON the power switch, and open the front cover and the back cover. Leave the machine for

2-71Confidential Black spots Downward fogging of solid color<User Check>- When the black spots appear at intervals of 45.3 mm, replace the ton

2-72Confidential Ghost Fogging<User Check>- Check the usage environment of the machine. Using the machine in high temperature and humidity or

2-73Confidential4.4 Troubleshooting for Software ProblemsEnd users can solve problems related to software, for instance, printing is not possible from

viiiConfidential IEC60825-1:2007 Specification (For 220-240V models only)This product is a Class 1 laser product as defined in IEC60825-1:2007 specif

2-74Confidential4.5 Troubleshooting for Network Problems4.5.1 Cannot print via network connection4.5.2 Cannot connect to access point<User Check>

2-75Confidential4.6 Troubleshooting for Control Panel Problems4.6.1 Nothing is displayed on the LCD4.6.2 LEDs are not activated4.6.3 Control panel is

2-76Confidential4.7 Troubleshooting for Toner and Drum Problems4.7.1 New toner is not detected4.7.2 Cartridge error (toner cartridge cannot be detecte

2-77Confidential4.8 Troubleshooting for Fuser Unit Problems4.8.1 Fuser unit failureStep Cause Remedy1Harness connection failure between fuser unit and

2-78Confidential4.9 Troubleshooting for Laser Unit Problems4.9.1 Laser unit failure<User Check>- Turn ON the power switch, and open the front co

2-79Confidential4.10 Troubleshooting for PCB Problems4.10.1 Main PCB failure4.10.2 High-voltage power supply PCB failure4.10.3 Low-voltage power suppl

2-80Confidential4.11 Troubleshooting for Other Problems4.11.1 Machine is not turned ON4.11.2 Main fan does not rotate4.11.3 Main motor failure4.11.4 U

ConfidentialCHAPTER 3DISASSEMBLY/REASSEMBLY

ConfidentialCHAPTER 3 DISASSEMBLY/REASSEMBLYThis chapter describes procedures for disassembling and reassembling the machine with relates notes.The pr

Confidential9.21 Registration clutch / T1 clutch... 3-469.22 Main fram

ixConfidential Radio InterferenceThis product complies with EN55022 (CISPR Publication 22)/Class B.Recycling Information in accordance with the WEEE

3-1Confidential1. SAFETY PRECAUTIONSTo avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance

3-2Confidential2. PACKINGLTT2 styrofoam pad RT2 cartonSetup guideUSB cableAC cordPolystyrene pad ASSYPolystyrene pad ASSYCartonCarton spacerCarton out

3-3Confidential3. SCREW CATALOGUETaptite cup STaptite bind BTaptite bind BM4x12Taptite bind BM3x10Taptite flat BTaptite flat BM3x10Taptite panTaptite

3-4Confidential4. SCREW TORQUE LISTNote: • For verifying the shape of each screw, refer to "3.SCREW CATALOGUE" in this chapter.Location of s

3-5ConfidentialUnder bar earth plate L Taptite cup S M3x8 SR 10.8±0.1(8±1)Under bar (Front left side)Taptite bind B M4x12 1Under bar (Rear side) (HL-6

3-6Confidential5. LUBRICATION Fuser drive gear 39Fig. 3-1 Develop one way clutch 53Fig. 3-2 Develop clutch 51RFig. 3-3 Develop joint gear 37Fig. 3

3-7Confidential6. OVERVIEW OF GEARS<Layout view>Fig. 3-5<Development view>Fig. 3-6<Name of gears>* These parts are subject to change

3-8Confidential<Layout view>Fig. 3-7<Development view>Fig. 3-8<Name of gears>* These parts are subject to change without notice.Note

3-9Confidential7. HARNESS ROUTING1 Main PCB ASSYHarness colors may be changed for any reason.HookWireless LAN harness (Shield)Relay front harness (WH)

3-10Confidential2 Relay front PCB ASSYHarness colors may be changed for any reason.Relay front PCB ASSYHooksFront cover sensorFront cover sensor harne

xConfidential Federal Communications Commission (FCC) Declaration of Conformity (USA only)Responsible Party: Brother International Corporation100 Som

3-11Confidential3 Fuser unit4 High-voltage power supply PCB ASSYHarness colors may be changed for any reason.Fuser unitHookFuser unitHeater harness (W

3-12Confidential5 Toner LED PCB ASSY/Main fan6 Laser unitHarness colors may be changed for any reason.Toner LED PCB ASSYHookToner LED harness (RD, BL,

3-13Confidential7 Low-voltage power supply PCB ASSYHarness colors may be changed for any reason.Low-voltage power supply PCB ASSYLow-voltage-heater ha

3-14Confidential8. DISASSEMBLY FLOW CHARTDisassembly / Re-Assembly (second)9.2 Paper tray 15/59.34 T1 roller holder ASSY5/109.5 MP paper guide ASSY5/5

3-15Confidential9. DISASSEMBLY PROCEDURE9.1 Preparation Disconnecting Cables and Removing AccessoriesPrior to proceeding with the disassembly procedu

3-16Confidential9.2 Paper tray 1(1) Remove the two taptite bind B M4x12 screws from the paper tray 1.(2) Lift the plate to remove "A" on the

3-17Confidential(6) Push the hook on the lift gear Z27M10 (or lift gear Z48M10) while lifting the plate-up plate, and remove the lift gear Z27M10 (or

3-18Confidential9.3 Back cover / Outer chute(1) Open the back cover.(2) Push both ribs of the back cover in the direction of the arrows, and remove th

3-19Confidential9.4 Fuser cover(1) Push the two knobs on the fuser cover, and pull the fuser cover down in the direction of the arrow.(2) Remove the f

3-20Confidential9.5 MP cover ASSY(1) Open the MP cover ASSY.(2) Remove the two hooks on the MP paper guide ASSY from the two bosses on the front cover

xiConfidential Industry Canada Compliance Statement (Canada only)This Class B digital apparatus complies with Canadian ICES-003.Cet appareil numériqu

3-21Confidential9.6 Front cover ASSY(1) Push the front cover release button, and open the front cover ASSY.(2) Release the two hooks, and remove the d

3-22Confidential9.7 Side cover L / Access cover(1) Remove the taptite cup B M4x12 screw from the front side of the side cover L.(2) Remove the taptite

3-23Confidential9.8 Side cover R(1) Remove the taptite cup B M4x12 screw from the front side of the side cover R.(2) Remove the taptite cup B M4x12 sc

3-24Confidential9.9 Top cover ASSY (1) Remove the four taptite cup S M3x8 SR screws, and remove the main shield cover plate from the machine.(2) Disco

3-25Confidential(3) Remove the two taptite cup B M4x12 screws from the front side of the top cover ASSY. (4) Release the six hooks. Lift the front sid

3-26Confidential9.10 Control panel LED model(1) Release the panel harness from the securing fixtures.(2) Remove the three taptite pan B M3x8 screws,

3-27Confidential LCD model(1) Release the panel harness from the securing fixtures.(2) Disconnect the backlight harness from the panel PCB ASSY, rele

3-28Confidential(7) Release the four hooks to remove the panel printed ASSY from the top cover ASSY.(8) Release the two hooks to remove the LCD holder

3-29Confidential9.11 Paper stack lever(1) Remove the two paper stack levers from the top cover ASSY.Fig. 3-27Paper stack leversTop cover ASSY

3-30Confidential9.12 Wireless LAN PCB (Wireless Network model only)(1) Disconnect the wireless LAN harness from the wireless LAN PCB.(2) Release the h

xiiConfidential For use in the USA or Canada onlyThese products are made for use in the USA and Canada only. We cannot recommend using them overseas

3-31Confidential9.13 Fuser unit(1) Remove the taptite bind B M4x12 screw, and release the hook to remove the fuser unit line cover R from the machine.

3-32Confidential(4) Release the heater harness of the fuser unit from the guide on the main frame R, and disconnect the heater harness from the low-vo

3-33Confidential(7) Remove the taptite pan B M4x14 screw, and remove the fuser unit from the machine.Fig. 3-32Fig. 3-33Note:• Make sure that the front

3-34Confidential9.14 Main PCB ASSY(1) Disconnect all harnesses and flat cables from the main PCB ASSY.Fig. 3-34Harness routing: Refer to “1.Main PCB A

3-35Confidential(2) Remove the four taptite cup S M3x8 SR screws, and remove the main PCB ASSY from the machine.Fig. 3-35Note:• For HL-5440D, remove t

3-36Confidential9.15 Laser unit(1) Disconnect the laser unit flat cable from the laser unit.(2) Remove the four taptite cup S M3x8 SR screws, and remo

3-37Confidential9.16 Low-voltage power supply PCB ASSY(1) Remove the two taptite cup S M3x8 SR screws, and remove the scanner earth plate from the mac

3-38ConfidentialFig. 3-38Assembling Note:• When attaching the power switch, align the marking on the power switch with the marking on the machine. • A

3-39Confidential(7) Remove the taptite cup S M3x8 SR screw and the two taptite bind B M4x12 screws to remove the low-voltage power supply PCB ASSY fro

3-40Confidential9.17 Toner LED PCB ASSY(1) Remove the LV shield plate ground spring from the LV shield plate and the machine.(2) Remove the taptite cu

xiiiConfidentialSAFETY INFORMATION WARNINGWARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious

3-41Confidential(4) Remove the taptite bind B M4x12 screw, and release the hook to open the back side of the hold cover 1. Then remove the hold cover

3-42Confidential9.18 Main fan(1) Slide the straight cam in the direction of arrow 1a to remove the boss on the nip release link from the groove on the

3-43Confidential(2) Remove the two taptite bind B M4x12 screws, and release the hook to open the upper side of the hold cover 2.(3) Release the main f

3-44Confidential9.19 Air duct / Filter(1) Release the hook, and remove the filter from the air duct.(2) Push the two pins of the air duct to release t

3-45Confidential9.20 Relay front PCB ASSY(1) Release the relay front harness from the securing fixtures.(2) Release the two hooks to remove the front

3-46Confidential9.21 Registration clutch / T1 clutch(1) Release the registration clutch harness and the T1 clutch harness from the securing fixtures.(

3-47Confidential9.22 Main frame L ASSY(1) Remove the two taptite bind B M4x12 screws, and remove the rear under bar from the machine.(2) Remove the tw

3-48Confidential(6) Remove the three taptite cup S M3x8 SR screws and four taptite bind B M4x12 screws, and remove the main frame L ASSY from the mach

3-49Confidential9.23 Main motor ASSY(1) Remove the eight taptite bind B M4x12 screws, and remove the drive sub ASSY from the main frame L ASSY.For HL-

3-50Confidential(2) Remove the four taptite cup S M3x8 SR screws, and remove the main motor ASSY and the main motor cover from the drive sub ASSY.(3)

xivConfidential To use the Machine SafelyPlease keep these instructions for later reference and read them before attempting any maintenance. If you d

3-51Confidential9.24 Develop joint gear 37 / Develop joint(1) Tilt the develop joint to remove it from the drive sub ASSY, and then remove the develop

3-52Confidential9.25 LT drive gear 29(1) Pull out the LT drive gear 29 from the main frame L ASSY.Fig. 3-53LT drive gear 29Main frame L ASSY

3-53Confidential9.26 Toner sensor PCB ASSY(1) Remove the MP sector gear spring from the main frame L ASSY.(2) Release the toner sensor harness from th

3-54Confidential9.27 MP solenoid(1) Remove the MP drive gear 18 from the main frame L ASSY.(2) Release the MP solenoid harness from the securing fixtu

3-55Confidential9.28 Develop clutch 51R / Develop one way clutch 53(1) Remove the develop idle gear 53 from the main frame L ASSY.(2) Remove the devel

3-56Confidential9.29 New toner actuator(1) Remove "A" on the new toner actuator spring from the main frame L ASSY. Turn the new toner actuat

3-57Confidential9.30 Fuser drive gear 39(1) Remove the four taptite bind B M4x12 screws, and release the two hooks to remove the main PCB shield calki

3-58Confidential(2) Remove the fuser drive gear 39 from the main frame L ASSY.Fig. 3-59Fuser drive gear 39Main frame L ASSY

3-59Confidential9.31 Duplex solenoid(1) Remove the eject idle gear 20 from the main frame L ASSY.(2) Remove the eject switch arm spring from the main

3-60Confidential9.32 Back cover sensor(1) Release the back cover sensor harness from the securing fixtures.(2) Release the two hooks, and remove the b

xvConfidential Power Cord Safety:• This product is equipped with a 3-wire grounded plug. This plug will only fit into a grounded power outlet. This is

3-61Confidential9.33 LT connector (T1)(1) Remove the three taptite bind B M4x12 screws, and remove the bottom frame L from the main frame L ASSY. Then

3-62Confidential9.34 T1 roller holder ASSY(1) Push the T1 lift arm in the direction of arrow 1, and remove the boss on the T1 roller holder ASSY from

3-63Confidential9.35 High-voltage power supply PCB ASSY(1) Remove the four taptite bind B M4x12 screws and the two screw pan (S/P washer) M3x12 DB scr

3-64Confidential(2) Open the HV insulation sheet. Remove the two taptite bind B M4x12 screws, and release the two hooks. Lift the HV insulation sheet

3-65Confidential(3) Disconnect the registration front/rear sensor harness, the T1 paper feed sensor harness and the MP paper empty sensor harness from

3-66Confidential9.36 Eject sensor PCB ASSY(1) Release the eject sensor harness from the securing fixtures.(2) Release the hook, and remove the eject s

3-67Confidential9.37MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring (1) Open the MP roller cover. Release the hook on the MP

3-68Confidential9.38 T1 paper feed sensor PCB ASSY / T1 paper feed actuator / T1 paper feedactuator spring(1) Release the T1 paper feed sensor harness

3-69Confidential(3) Turn the T1 paper feed actuator in the direction of arrow 3a, and push the hook on the T1 paper feed actuator holder to slide the

3-70Confidential9.39 MP paper empty sensor PCB ASSY / MP paper empty actuator 1 / MPpaper empty actuator 2(1) Remove the five taptite bind B M4x12 scr

xviConfidential Caution for Laser Product (WARNHINWEIS fur Laser drucker)CAUTION: When the machine during servicing is operated with the cover open,

3-71Confidential(2) Release the MP paper empty sensor harness from the paper feed frame ASSY.(3) Remove the two taptite bind B M3x10 screws, and relea

3-72Confidential(5) Turn MP paper empty actuator 2 in the direction of arrow 5a, and push the hook in the direction of arrow 5b to slide MP paper empt

3-73Confidential9.40 Registration front/rear sensor PCB ASSY / Registration front actuator /Registration rear actuator / Registration actuator spring(

3-74Confidential(3) Remove the earth registration spring from the hook on the feed chute, and remove the earth registration spring from the feed chute

3-75Confidential(6) Remove the registration actuator spring from the registration front actuator and the registration actuator holder ASSY.(7) Turn th

3-76Confidential10. DISASSEMBLY PROCEDURE (LT UNIT)10.1 Paper tray 2(1) Remove the two taptite bind B M4x12 screws from paper tray 2.(2) Lift the plat

3-77Confidential(6) Push the hook on the lift gear Z48M10 while lifting the plate-up plate, and remove the lift gear Z48M10 from paper tray 2.(7) Remo

3-78Confidential10.2 T2 roller holder ASSY(1) Push the T2 lift arm in the direction of arrow 1a, and remove the boss on the T2 roller holder ASSY from

3-79Confidential10.3 T2 side cover L(1) Remove the taptite bind B M4x12 screw from the front side of the T2 side cover L.(2) Release the two front hoo

3-80Confidential10.4 T2 side cover R(1) Remove the taptite bind B M4x12 screw from the front side of the T2 side cover R.(2) Release the two front hoo

ConfidentialThe function comparative table for models as described in this Service Manual are shown below.© Copyright Brother 2012All rights reserved.

xviiConfidential Additional InformationWhen servicing the optical system of the machine, be careful not to place a screwdriver or other reflective ob

3-81Confidential10.5 T2 front cover ASSY(1) Remove the taptite cup S M3x8 SR screw from the T2 front cover ASSY.(2) Release the two hooks on the T2 fr

3-82Confidential10.6 T2 relay PCB ASSY(1) Disconnect all harnesses from the T2 relay PCB ASSY.Fig. 3-85(2) Release the hook to remove the core of the

3-83Confidential10.7 T2 clutch(1) Release the T2 clutch harness from the securing fixtures.(2) Release the hook on the T2 clutch, and remove the T2 cl

3-84Confidential10.8 T2 paper feed sensor PCB ASSY(1) Remove the four taptite bind B M4x12 screws securing the two under bars, and remove the two unde

3-85Confidential(3) Remove the three taptite cup S M3x8 SR screws, and remove the T2 paper feed frame unit from the LT unit. Then pull out the T2 pape

3-86Confidential(6) Remove the taptite bind B M3x10 screw, and release the hook to remove the T2 paper feed actuator holder ASSY from the T2 paper fee

3-87Confidential(7) Turn the T2 paper feed actuator in the direction of arrow 7a, and push the hook on the T2 paper feed actuator holder ASSY to slide

3-88Confidential10.9 T2 back cover(1) Remove the two taptite bind B M4x12 screws, and remove the T2 back cover from the LT unit.Fig. 3-94T2 back cover

3-89Confidential10.10 LT connector ASSY (T2)(1) Release the two hooks, and remove the LT connector ASSY (T2) from the LT unit.Fig. 3-95LT unitLT conne

ConfidentialCHAPTER 4ADJUSTING AND UPDATING SETTINGSAS REQUIRED AFTER PARTS REPLACEMENT

ConfidentialCHAPTER 1SPECIFICATIONS

ConfidentialCHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENTThis chapter describes adjustments and updating of settings,

4-1Confidential1. IF YOU REPLACE THE MAIN PCB ASSY<What to do after replacement>• Installing firmware (sub firmware, main firmware)• Setting def

4-2Confidential1.1 Installing Firmware (Sub Firmware, Main Firmware)1.1.1 Checking firmware versionCheck whether the firmware installed on the main PC

4-3Confidential(9) The Ready LED flashes randomly during installing. When installing is completed, the machine restarts and returns to the ready state

4-4Confidential1.2 Setting Default Paper SizeLED model(1) Copy the "SET_COUNTRYCODE.pjl" file of the relevant model to the desired location.

4-5Confidential1.3 Setting Serial Number and Entering Adjusted Value of Laser Unit(2) Connect the computer to the machine with the USB cable.(3) Doubl

4-6Confidential(7) Enter the number (last digit) on the laser serial number label attached to the location shown in the illustration below in the [K=

4-7Confidential2. IF YOU REPLACE THE LASER UNIT<What to do after replacement>• Entering adjusted value of laser unit What you need to prepare(1

4-8Confidential2.1 Entering Adjusted Value of Laser Unit(2) Connect the computer to the machine with the USB cable.(3) Double-click the "brusbsn.

4-9Confidential(7) Enter the number (last digit) on the laser serial number label attached to the location shown in the illustration below in the [K=

ConfidentialCHAPTER 1 SPECIFICATIONSThis chapter lists the specifications of each model.CONTENTS1. SPECIFICATIONS LIST ...

4-10Confidential3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY<What to do after replacement>• Resetting irregular power supply detectio

4-11Confidential4. IF YOU REPLACE THE HIGH-VOLTAGE POWER SUPPLY PCB ASSY<What to do after replacement>• After replacement, the new high-voltage

4-12Confidential5. IF YOU REPLACE ANY PERIODIC REPLACEMENT PARTS<What to do after replacement>• Resetting counter of periodic replacement parts

ConfidentialCHAPTER 5SERVICE FUNCTIONS

ConfidentialCHAPTER 5 SERVICE FUNCTIONSDescribes the maintenance mode which is exclusively designed for the purpose of checking the settings and adjus

Confidential1.4 Details of Maintenance Mode Functions Using [Go] Button for LED Models ...5-351.4.1 Test printing ...

5-1Confidential1. MAINTENANCE MODEMaintenance mode is exclusively designed for checking, setting and adjusting the machine using the buttons on the co

5-2Confidential1.1.2 Method of entering maintenance mode for service personnel<Operating Procedure> How to enter maintenance mode for service p

5-3Confidential1.2 List of Maintenance Mode Functions1.2.1 List of maintenance mode functions for LCD modelsThe maintenance mode functions shaded in t

5-4Confidential1.2.2 List of maintenance mode functions using [Go] button for LED models<List of end-user accessible maintenance mode functions>

1-1Confidential1. SPECIFICATIONS LIST1.1 GeneralSpecifications are subject to change without notice.ModelHL-5440D HL-5450DN HL-5450DNT HL-5470DW HL-54

5-5Confidential(Continued from previous page)Front coverNo. of times [Go] button is pressed to enter maintenance modeNo. of times [Go] button is press

5-6Confidential1.3 Details of Maintenance Mode Functions for LCD Models1.3.1 Initialize EEPROM parameters (function code: 01, 91)<Function>This

5-7Confidential1.3.2 Print test pattern (function code: 09)<Function>This function is to print a test pattern (print quality check sheet) to che

5-8Confidential1.3.3 Set worker switches (WSW) and print worker switch setting data(function code: 10, 11)[1] Set worker switches (WSW) (function code

5-9Confidential[2] Print worker switch (WSW) setting data (function code: 11)<Function>This function is to print the setting items of the worker

5-10Confidential1.3.4 Check LCD operation (function code: 12)<Function>This function is to check that the LCD on the control panel is operating

5-11Confidential1.3.5 Check control panel button operation (function code: 13)<Function>This function is to check that the buttons on the contro

5-12Confidential1.3.6 Display software version (function code: 25)<Function>This function is to check the version information of the firmware or

5-13Confidential1.3.7 Set One Push Demo function (function code: 28)<Function>This function is to implement Demo printing by pressing the [Go] b

5-14Confidential1.3.8 Check sensor operation (function code: 32)<Function>This function is to check that the sensors are operating normally.<

1-2ConfidentialSpecifications are subject to change without notice.Specifications are subject to change without notice.ModelHL-5440D HL-5450DN HL-5450

5-15Confidential Location of sensorsFig. 5-5MP paper empty actuator 2 Registration rear actuatorNew toner actuatorEject sensorToner sensorRegistratio

5-16Confidential1.3.9 Display LAN connection status (function code: 33)<Function>This function is to check the connection status of the wired LA

5-17Confidential1.3.10 Print Dump List (function code: 40)<Function>This function is to print the EEPROM information.<Operation Procedure>

5-18Confidential1.3.11Change USB No. return value / Adjust left-end print start position on second side whenduplex printing / Change ON/OFF setting fo

5-19Confidential Change ON/OFF setting for Deep Sleep function when Deep Sleep function isenabled and machine has Storage Data (Secure) <Function&

5-20Confidential1.3.12 Continuous print test (function code: 67)<Function>This function is to conduct paper feed and eject tests while printing

5-21ConfidentialFig. 5-6

5-22Confidential1.3.13 Print frame pattern (single-side printing) (function code: 69)<Function>This function is to print the frame pattern on a

5-23ConfidentialFig. 5-7

5-24Confidential1.3.14 Print frame pattern (duplex printing) (function code: 70)<Function>This function is to print the frame pattern on both si

1-3ConfidentialSpecifications are subject to change without notice.Model HL-6180DW HL-6180DWTInterfaceHi-Speed USB 2.010Base-T/100Base-TX/1000Base-TIE

5-25ConfidentialFig. 5-8(First side) (Second side)

5-26Confidential1.3.15 Print solid pattern (function code: 71)<Function>This function is to print the solid pattern to check whether the develop

5-27Confidential1.3.16 Setting by country (function code: 74)<Function>This function is to customize the machine according to language, function

5-28Confidential<Country code list>CountryHL- 5470DW/5470DWTHL- 5472DW/5472DWTHL- 6182DW/6180DWTHL- 6182DW/6182DWTU.S.A. 0101-4201-Canada 0102-4

5-29Confidential1.3.17 Print maintenance information (function code: 77)<Function>This function is to print the maintenance information, such as

5-30ConfidentialDisplay information*1KO : T1 paper feed sensor OFF time / T1 paper feed sensor ON timeMN : Registration front sensor OFF time / Regist

5-31Confidential1.3.18 Check fan operation (function code: 78)<Function>This function is to check that the main fan is operating normally. The r

5-32Confidential1.3.19 Display machine log information (function code: 80)<Function>This function is to display the log information on the LCD.&

5-33Confidential*1When the [OK] button is pressed while the machine error is displayed, the LCD changes to "PGCNT:*******". The total printe

5-34Confidential1.3.20 Display machine error code (function code: 82)<Function>This function is to display the latest error code on the LCD.<

1-4Confidential<Computer requirements>Specifications are subject to change without notice.Computer Platform & Operating System VersionProces

5-35Confidential1.4 Details of Maintenance Mode Functions Using [Go] Button for LEDModels End-user accessible maintenance mode functions1.4.1 Test pr

5-36Confidential1.4.2 Print font list This function is to print the font list.1.4.3 Change USB No. return valueWhen the operating system (OS) installe

5-37Confidential1.4.6 Engine error ignore modeWhen an engine error occurs and the machine cannot be recovered unless the main PCB is replaced, using t

5-38Confidential Maintenance mode functions for service personnel1.4.8 Check sensor operationThis function is to check whether the sensors or electro

5-39Confidential1.4.9 Print continuous lattice patternThis function is to print a lattice pattern continuously. When the power switch is turned OFF an

5-40Confidential1.4.11 Print EEPROM Dump This function is to print all of the current EEPROM data. When completed, the machine returns to the ready st

5-41Confidential1.4.13 Print machine quality inspection pattern 1This function is to print five patterns to inspect quality. The fifth pattern is prin

5-42Confidential1.4.14 Change ON/OFF setting for duplex printingThis function allows you to change the duplex printing setting to ON or OFF. The setti

5-43Confidential1.4.16 Print machine quality inspection pattern 2This function is to print five patterns consecutively to inspect quality. Printing co

5-44Confidential1.4.17 Maintenance printingThis function is to print maintenance information, such as the remaining amount of consumables, the number

1-5Confidential1.2 Network ConnectivitySpecifications are subject to change without notice.Specifications are subject to change without notice.ModelHL

5-45ConfidentialDisplay information*1KO : T1 paper feed sensor OFF time / T1 paper feed sensor ON timeMN : Registration front sensor OFF time / Regist

5-46Confidential1.4.18 Print maintenance data and frame pattern This function is to print maintenance data on the first side and print the frame patte

5-47Confidential1.4.19 Print Network Configuration This function is to print the wired or wireless network setting information. (Network items of Prin

5-48Confidential1.4.23 Change Ready LED light intensity in sleep modeThis function is to set the Ready LED status in sleep mode whether to turn it OFF

5-49Confidential2. PRINTER SETTINGS 2.1 Printing Printer Settings Printer Settings can be printed. The title, model name and serial number are printed

5-50Confidential•LCD modelFig. 5-19

5-51Confidential Printer Settings (1st page)Various machine settings are output. Display items are shown only when the conditions are satisfied.  Pr

5-52Confidential Life of toner cartridge<Method of detecting toner volume>Toner volume is monitored by the toner sensor and by the number of ro

5-53ConfidentialTo avoid problems caused by abrasion of the developer roller surface or deterioration of the toner sealing, the machine prohibits prin

5-54ConfidentialPerforming the following operations deteriorates the developer roller: warm-up operation after power ON or opening/closing cover, pape

1-6Confidential1.3 Service InformationSpecifications are subject to change without notice.Specifications are subject to change without notice.ModelHL-

5-55Confidential Life of drum unit<How to read the life of drum unit>• The band graph indicates 100% initially, and then gradually decreases.•

5-56ConfidentialThe number of drum rotations required for fuser unit warm-up operation (max.): 34.2.If both the warm-up operation after power ON or op

5-57Confidential3. OTHER SERVICE FUNCTIONS3.1 Change ON/OFF Setting for Deep Sleep Mode (LCD model only)This function allows you to change the Deep Sl

5-58Confidential3.3 Reset Periodic Replacement Parts (LCD model only)This function is used to reset the corresponding counter after a periodic replace

5-59Confidential3.5 Change USB No. Return Value / Adjust Left-end Print Start Position onSecond Side when Duplex Printing / Change ON/OFF Setting for

5-60Confidential Adjust left-end print start position on second side when duplex printing (LCDmodel only)<Function>In the event that the left-e

5-61Confidential3.6 Reset Drum Counter (LED model only)This function is to reset the drum unit counter after the drum unit has been replaced using the

ConfidentialCHAPTER 6WIRING DIAGRAM

ConfidentialCHAPTER 6 WIRING DIAGRAMThis chapter provides the wiring diagram for the connections of the PCBs.CONTENTS1. WIRING DIAGRAM ...

6-1Confidential1. WIRING DIAGRAM Wiring diagram

1-7Confidential1.4 SuppliesSpecifications are subject to change without notice.ModelHL-5440D HL-5450DN HL-5450DNT HL-5470DW HL-5470DWTToner cartridgeS

ConfidentialCHAPTER 7PERIODICAL MAINTENANCE

ConfidentialCHAPTER 7 PERIODICAL MAINTENANCECONTENTS1. SAFETY PRECAUTIONS ...

7-1Confidential1. SAFETY PRECAUTIONSTo avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance

7-2Confidential2. PERIODICAL REPLACEMENT PARTS2.1 PreparationPrior to proceeding with the disassembly procedure,(1) Disconnect the following:•AC cord•

7-3Confidential2.2 Fuser unit(1) Open the back cover.(2) Push both ribs of the back cover in the direction of the arrows, and remove the two bosses on

7-4Confidential(5) Push the two knobs on the fuser cover, and pull the fuser cover down in the direction of the arrow.(6) Remove the fuser cover from

7-5Confidential(10) Release the heater harness of the fuser unit from the guide on the main frame R, and disconnect the heater harness from the low-vo

7-6Confidential(13) Remove the taptite pan B M4x14 screw, and remove the fuser unit from the machine.Fig. 7-8Note:• Make sure that the front cover is

7-7Confidential2.3 Laser unit(1) Open the back cover.(2) Remove the two taptite cup B M4x12 screws from the back side of the side cover L and the side

7-8Confidential(4) Push the front cover release button, and open the front cover ASSY.(5) Release the seven hooks, and remove the side cover L from th

ConfidentialTRADEMARKSThe Brother logo is a registered trademark of Brother Industries, Ltd.Brother is a registered trademark of Brother Industries, L

1-8ConfidentialSpecifications are subject to change without notice.Model HL-6180DW HL-6180DWTToner cartridgeStarter Toner *1Approximately 3,000 pages

7-9Confidential(7) Remove the four taptite cup S M3x8 SR screws, and remove the main shield cover plate from the machine.(8) Disconnect the panel harn

7-10Confidential(9) Remove the two taptite cup B M4x12 screws from the front side of the top cover ASSY. (10) Release the six hooks. Lift the front s

7-11Confidential(11) Disconnect the laser unit flat cable from the laser unit.(12) Remove the four taptite cup S M3x8 SR screws, and remove the laser

7-12Confidential2.4 MP paper feeding kit(1) Push the front cover release button, and open the front cover ASSY.(2) Open the MP roller cover. Release t

7-13Confidential2.5 Paper feeding kit 1(1) Remove the two taptite bind B M4x12 screws from the paper tray 1.(2) Lift the plate to remove "A"

7-14Confidential(6) Push the T1 lift arm in the direction of arrow 6, and remove the boss on the T1 roller holder ASSY from the T1 lift arm.(7) Turn t

7-15Confidential2.6 Paper feeding kit 2(1) Remove the two taptite bind B M4x12 screws from the paper tray 2.(2) Lift the plate to remove "A"

7-16Confidential(6) Push the T2 lift arm in the direction of arrow 6a, and remove the boss on the T2 roller holder ASSY from the T2 lift arm. Then tur

ConfidentialAPPENDIX 1SERIAL NUMBERING SYSTEM

ConfidentialApp. 1-1APPENDIX 1 SERIAL NUMBERING SYSTEM Serial number label (1 location)<How to Read>Fig. App. 1-1<Location>Fig. App. 1-2S

1-9Confidential1.5 Paper1.5.1 Paper handlingSpecifications are subject to change without notice.Specifications are subject to change without notice.1.

ConfidentialAPPENDIX 2DELETING USER SETTING INFORMATIONThis appendix provides instructions on how to delete user setting information recorded in the m

ConfidentialApp. 2-1APPENDIX 2 DELETING USER SETTING INFORMATIONThe user setting information for the machine is stored in the main PCB. You can return

ConfidentialAPPENDIX 3INSTALLING MAINTENANCE DRIVER

ConfidentialApp. 3-1APPENDIX 3 INSTALLING MAINTENANCE DRIVERTo identify multiple terminals connected to the computer via USB, the computer needs to co

1-10Confidential1.5.3 Type and size of paperThe printer loads paper from the installed paper tray or the manual feed slot.The names for the paper tray

1-11Confidential1.6 Printable AreaThe figure below shows maximum unprintable areas.The unprintable areas may vary depending on the paper size or setti

ConfidentialCHAPTER 2TROUBLESHOOTING

ConfidentialCHAPTER 2 TROUBLESHOOTINGThis chapter details error messages and codes which the incorporated self-diagnostic function of the machine will

Confidential4.6 Troubleshooting for Control Panel Problems...2-754.6.1 Nothing is displayed on the

2-1Confidential1. INTRODUCTIONTroubleshooting is a collection of solution procedures that service personnel should follow if an error or malfunction o

2-2Confidential1.2 Checks before Commencing TroubleshootingCheck the following items before commencing repairs on the machine. Operating environment(

2-3Confidential Others(1) CondensationWhen the machine is moved to a warm room from a cold location, condensation may occur inside the machine, causi

iConfidentialCONTENTSREGULATION ... viiSAFETY I

2-4Confidential2. OVERVIEW2.1 Cross-section DrawingFig. 2-1MP trayBack coverFront coverMP separation rollerMP pick-up rollerMP paper empty actuator 1/

2-5Confidential2.2 Paper FeedingFig. 2-2Duplex path<Back side> <Front side>Manual feed slot pathPaper tray 1 pathPaper tray 2 path

2-6Confidential2.3 Operation of Each PartPart name OperationT1 pick-up roller Picks up the paper from paper tray 1.T1 separation roller /T1 separation

2-7ConfidentialPart name OperationToner sensor Detects the toner remaining in the cartridge. When the toner is below the specified level, the user is

2-8Confidential2.4 Block DiagramFig. 2-3Back cover sensorMain motorLT connectorMP-PE sensor PCBWireless LANUSB functionPanel PCB(LED)Panel PCB(LCD)LVP

2-9Confidential2.5 Main ComponentsFig. 2-4Paper stack leversTop cover ASSYPanel light guidePanel PCB ASSYSW key printed ASSYBack coverAir ductLaser un

2-10Confidential3. ERROR INDICATIONSThis machine includes a self-diagnosis function. If the machine does not work normally it judges that an error has

2-11ConfidentialError codesProblemRefer to:Error codesProblemRefer to:4500 An unidentified error occurred. 2-31 5B00 An unidentified error occurred. 2

2-12ConfidentialError codesProblemRefer to:Error codesProblemRefer to:7100Detected an error in the synchronized signal of the polygon motor for the la

2-13ConfidentialError codesProblemRefer to:Error codesProblemRefer to:9300When printing from the MP tray, the MP paper empty sensor detected that ther

iiConfidential4.2.4 Duplex printing is not possible... 2-584.2.5 Paper is c

2-14ConfidentialError codesProblemRefer to:Error codesProblemRefer to:C300 An unidentified error occurred. 2-50 DD00Fuser unit error (except error cod

2-15ConfidentialError codesProblemRefer to:Error codesProblemRefer to:F900The country code was not entered correctly.2-56 FD00 An unidentified error o

2-16Confidential3.2 Error MessagesThe error messages displayed on the LCD of the machine and their description are shown in the table below.Error Mess

2-17ConfidentialJam MP Tray The registration front sensor does not detect paper pass within the specified time after the paper was picked up from the

2-18ConfidentialReplace Toner The toner sensor detected no toner remaining or the number of rotations of the developer roller has reached the upper li

2-19Confidential3.3 LED Display (LED Model)3.3.1 LED display when operator call occursDetermine the message details according to the LED display on th

2-20ConfidentialThe side thermistor of the fuser unit detected a temperature higher than the specified value.7500 2-38Ready state under a low temperat

2-21ConfidentialWhen printing from the MP tray, paper tray 1, or paper tray 2, the size of paper set in the MP tray, paper tray 1 or paper tray 2 does

2-22ConfidentialThe registration front sensor does not detect paper pass within the specified time after the first side was printed in duplex printing

2-23Confidential3.3.2 LED display when service call occursWhen a service call occurs, the six LEDs flash. Pressing the [Go] and [Cancel] buttonssimult

iiiConfidential9. DISASSEMBLY PROCEDURE ... 3-159.1 Pr

2-24ConfidentialThe center thermistor of the fuser unit has not reached the specified temperature within the specified time.6A00 2-37The center thermi

2-25ConfidentialThe center thermistor of the fuser unit detected a temperature rise greater than the specified value within the specified time.7600 2-

2-26ConfidentialWrite error in the EEPROM of the main PCBE600 2-53Malfunction of the flash memory on the main PCBF000 2-55Fuser unit error (except err

2-27ConfidentialCannot detect the synchronized signal of the main motor.The speed of the main motor does not stabilize within the specified time.7A00

2-28Confidential4. TROUBLESHOOTING4.1 Error Cause and Remedy Error code 0B00This error does not usually occur during normal use. The possible causes

2-29Confidential Error code 0E00This error does not usually occur during normal use. The possible causes are noise aroundthe installation site, fluct

2-30Confidential Error code 1E00The number of rotations of the drum unit is reaching the life limit. Error codes 1F00 to 3500These errors do not usu

2-31Confidential Error code 3B00An error occurred during access to the DRAM in the main PCB. Error codes 3C00 to 4300These errors do not usually occ

2-32Confidential Error code 5000The number of rotations of the drum unit has reached the life limit. (Printing does not stop.) Error code 5100Printa

2-33Confidential Error code 5500Printable pages set for the laser unit have reached the limit. (Printing does not stop.) Error code 5600The eject se

ivConfidential9.40 Registration front/rear sensor PCB ASSY / Registration front actuator / Registration rear actuator / Registration actuator spring .

2-34Confidential Error code 5700The registration front sensor does not detect paper pass within the specified time after the first side was printed i

2-35Confidential Error code 5800Any of error codes 6A00 to 6F00, 7600, 7800, DD00, DE00, or E200 (fuser unit error) occurred when the power switch wa

2-36Confidential Error code 6300The toner sensor detected no toner remaining or the number of rotations of the developer roller has reached the upper

2-37Confidential Error code 6A00The center thermistor of the fuser unit has not reached the specified temperature within the specified time.Error cod

2-38Confidential Error code 7000This error does not usually occur during normal use. The possible causes are noise aroundthe installation site, fluct

2-39Confidential Error code 7600The center thermistor of the fuser unit detected a temperature rise greater than the specified value within the speci

2-40Confidential Error codes 7B00 and 7C00These errors do not usually occur during normal use. The possible causes are noise aroundthe installation s

2-41Confidential Error code 8400The eject sensor remains ON (paper pass detected) for more than the specified time even after the registration rear s

2-42Confidential Error codes 8600 and 8700These errors do not usually occur during normal use. The possible causes are noise aroundthe installation s

2-43Confidential Error code 8A00The registration front sensor does not detect paper pass within the specified time after the T1 paper feed sensor det

vConfidential1.3.3 Set worker switches (WSW) and print worker switch setting data(function code: 10, 11)...

2-44Confidential Error code 8C00The registration front sensor does not detect paper pass within the specified time after the paper was picked up from

2-45Confidential Error code 9000When printing from the MP tray, the size of paper set in the MP tray does not match the size specified by the driver.

2-46Confidential Error code 9400When printing from paper tray 1, the T1 paper feed sensor detected that there was no paper set in paper tray 1. Erro

2-47Confidential Error code 9600When printing with the tray designation set to AUTO, the MP paper empty sensor, T1 paper feed sensor and T2 paper fee

2-48Confidential Error code 9A00There is no paper set in the MP tray when feeding from the MP tray is designated from the driver. Error codes 9B00 t

2-49Confidential Error code A100The front cover sensor detected that the front cover was open. Error codes A200 to BF00These errors do not usually o

2-50Confidential Error codes C100 to C600These errors do not usually occur during normal use. The possible causes are noise aroundthe installation si

2-51Confidential Error codes CA00 to DC00These errors do not usually occur during normal use. The possible causes are noise aroundthe installation si

2-52Confidential Error code DE00When the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor detected a temp

2-53Confidential Error code E200When the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor detected a temp

viConfidential2. PRINTER SETTINGS ... 5

2-54Confidential Error codes E700 to EB00These errors do not usually occur during normal use. The possible causes are noise aroundthe installation si

2-55Confidential Error code EF00The supplied power is unstable. Error code F000Malfunction of the flash memory on the main PCB Error codes F100 to

2-56Confidential Error code F900The country code was not entered correctly. Error codes FA00 to FF00These errors do not usually occur during normal

2-57Confidential4.2 Troubleshooting for Paper Feeding ProblemsEnd users can solve problems related to paper feeding as long as they follow the User Ch

2-58Confidential4.2.4 Duplex printing is not possible4.2.5 Paper is curled4.2.6 Only single surface is printed in duplex printing mode<User Check&g

2-59Confidential4.3 Troubleshooting for Image Defects4.3.1 Image defect examplesFig. 2-5Light Poor fixingDirt on the back of paperVertical streaksFain

2-60Confidential4.3.2 Troubleshooting according to image defectEnd users can solve problems related to image defects as long as they follow the User C

2-61Confidential Electrodes location of the toner cartridge and drum unitFig. 2-6 Electrodes location of the machineFig. 2-7

2-62Confidential Faulty registration Dark<User Check>- Check that the appropriate paper type is selected in the driver.Step Cause Remedy1Adjus

2-63Confidential Poor fixing Completely blank<User Check>- Check the usage environment of the machine. Using the machine in high temperature a