Brother 2170W - HL B/W Laser Printer Manuel de service

ConfidentialBrother Laser PrinterSERVICE MANUALMODEL: HL-2140/2150N/2170WRead this manual thoroughly before maintenance work.Keep this manual in a con

ixConfidential<For USA and Canada> Federal Communications Commission (FCC) Declaration of Conformity (For USA)Responsible Party: Brother Intern

3-46Confidential8.21.3 TONER LED PCB ASSY(1) Disconnect the three connectors from the Toner LED PCB ASSY.(2) Release the Hook to remove the Toner LED

3-47Confidential(3) Release the Hook to remove the LED holder from the Toner LED PCB ASSY.Fig. 3-42HookToner LED PCB ASSYLED holder

3-48Confidential8.22 LVPS8.22.1 PS PCB UNIT(1) Remove the Taptite pan (S/P washer) M3.5x6 screw and the two Taptite cup S M3x6 SR screws, and then rem

3-49Confidential(2) Remove the Taptite bind B M4x12 screw, and then remove the SW holder from the Main body.(3) Remove the Taptite pan (S/P washer) M3

3-50Confidential8.22.2 LV SHIELD PLATE 2(1) Remove the two Taptite bind B M4x12 screws and the two Taptite cup S M3x6 SR screws, and then remove the L

3-51Confidential8.23 REGISTRATION FRONT SENSOR PCB ASSY(1) Remove the Harness of the Registration front sensor PCB ASSY and Registration rear sensor P

3-52Confidential(2) Remove the two Taptite bind B M3x10 screws, and then remove the Actuator holder ASSY from the Main body.Fig. 3-47Actuator holder A

3-53Confidential(3) Remove the Registration actuator spring from the Hook part.(4) Release the Hook to turn the Registration front actuator.(5) Slide

3-54Confidential(6) Remove the Edge actuator spring from the Actuator holder ASSY.(7) Release the Hook and Slide the Edge actuator to remove the Edge

3-55Confidential(8) Remove the Taptite bind B M3x10 screw, and then remove the Registration front sensor PCB ASSY from the Actuator holder ASSY.Fig. 3

xConfidential Industry Canada Compliance Statement (For Canada)This Class B digital apparatus complies with Canadian ICES-003.Cet appareil numérique

3-56Confidential8.24 REGISTRATION REAR SENSOR PCB ASSY(1) Remove the Harness of the Registration rear sensor PCB ASSY from the Guide part of Main body

3-57Confidential(2) Remove the two Taptite bind B M3x10 screws, and then remove the Rear actuator holder ASSY from the Main body.Fig. 3-52Rear actuato

3-58Confidential(3) Remove the Actuator spring rear from the Hook part.(4) Turn the Registration actuator rear.(5) Slide the Registration actuator rea

3-59Confidential(6) Remove the Taptite bind B M3x10 screw, and then remove the Registration rear sensor PCB ASSY from the Rear actuator holder ASSY.Fi

3-60Confidential8.25 DRIVE SUB ASSY(1) Remove the Taptite cup S M3x6 SR screw and the Taptite bind B M4x12 screw, and then remove the Under FG wire fr

3-61Confidential(2) Remove the Taptite cup S M3x6 SR screw and the nine Taptite bind B M4x12 screws, and then remove the Drive sub ASSY from the Main

3-62Confidential8.26 DEV JOINT / DEV GEAR JOINT/53R / REGISTRATION PENDULUM GEAR SPRING(1) Remove the DEV joint and the DEV joint spring from the DEV

3-63Confidential8.27 TONER SENSOR PCB UNIT ASSY(1) Remove the Taptite bind B M3x10 screw, and then remove the Toner sensor PCB unit ASSY from the Main

3-64Confidential8.28 REGISTRATION SOLENOID / T1 SOLENOID8.28.1 REGISTRATION SOLENOID(1) Remove the T1 sector gear spring from the T1 gear 38/31 sector

3-65Confidential(5) Remove the Registration solenoid lever spring from the Main body and Registration solenoid lever.(6) Remove the Harness from the g

xiConfidentialSAFETY INFORMATION Caution for Laser Product (WARNHINWEIS fur Laser drucker)CAUTION: When the machine during servicing is operated with

3-66Confidential8.28.2 T1 SOLENOID(1) Remove the T1 solenoid lever spring from the Main body and T1 solenoid lever.(2) Remove the Harness from the Gui

3-67Confidential8.29 MAIN SHIELD PLATE / EJECT SENSOR PCB ASSY(1) Remove the three Taptite bind B M3x10 screws, and then remove the FU front paper gui

3-68Confidential(2) Remove the two Taptite cup S M3x6 SR screws, and then remove the Chute ground plate from the Main body.Fig. 3-63Taptite cup S M3x6

3-69Confidential(3) Remove the Main PCB sheet from the Main shield plate.(4) Remove the three Taptite bind B M4x12 screws, and then remove the Main sh

3-70Confidential(5) Release the Hook to remove the Eject sensor PCB ASSY from the Main body.Fig. 3-65Eject sensor PCB ASSYHook

3-71Confidential8.30 RUBBER FOOT(1) Remove the two Rubber feet from the Main body.Fig. 3-66Rubber foot

3-72Confidential8.31 MAIN FRAME L ASSY(1) Remove the three Taptite bind B M3x10 screws, and then remove the FU front paper guide from the Main body.Fi

3-73Confidential(2) Remove the two Taptite cup S M3x6 SR screws, and then remove the Chute ground plate from the Main body.Fig. 3-68Taptite cup S M3x6

3-74Confidential(3) Release the Hook to remove the Registration gear 25 terminal, the two Feeder gear 17 terminals and the Bush 6.Fig. 3-69Registratio

3-75Confidential(4) Remove the Taptite cup S M3x6 SR screw and the Taptite bind B M4x12 screw, and then remove the Under FG wire from the Main body.Fi

xiiConfidential Definitions of Warnings, Cautions, Notes and MemosThe following conventions are used in this manual:Mark ContentsWarnings tell you wh

3-76Confidential(5) Remove the four Taptite bind B M4x12 screws and the two Taptite cup S M3x6 SR screws, and then remove the Main frame L ASSY from t

4-1ConfidentialCHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT1. IF YOU REPLACE THE MAIN PCB<What to do when repla

4-2Confidential(6) Setting file of the default paper sizes2100EUR.pjl (A4 size), s2100USA.pjl (Letter size)s2100ISR.pjl (A4 size, Israeli font for Isr

4-3Confidential Rewriting the firmware (Main Program)<Installing the maintenance printer driver>To identify terminals connected via USB interfa

4-4Confidential(8) Alert warning message of WHQL appears three times. Click Continue Anyway to proceed.(9) If the device driver is successfully instal

4-5Confidential(12) Alert warning message of WHQL appears. Click Continue Anyway to proceed.(13) If the Brother Maintenance USB Printer driver is succ

4-6Confidential<Procedures>After the installation procedure of the Brother Maintenance USB Printer driver is completed, refer to the following s

4-7Confidential Setting the default paper size<Procedures>(1) Open the "hl2000" folder and double-click the FILEDG32.EXE icon to star

4-8Confidential Setting the serial number<Procedures>(1) Connect the PC and machine with the USB cable.(2) Double-click the brmainte. EXE file

4-9Confidential Inputting the adjusted value of the laser scanner<Procedures>(1) Select “Adjust Scanner” from Menu.(2) Check the port (USB) tha

xiiiConfidential Safety PrecautionsListed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage e

4-10Confidential Setting the toner cartridge typeThe “Toner Life End” message is displayed according to the upper limit value of the developing rolle

4-11Confidential2. IF YOU REPLACE THE WIRELESS LAN PCB<What to do when replacing the wireless LAN PCB>• Backup to the Main PCB of the Wireless L

4-12Confidential3. IF YOU REPLACE THE LASER UNIT Inputting the adjusted value of the laser scanner(1) Double-click the brmainte.EXE file (maintenance

5-1ConfidentialCHAPTER 5 SERVICE SUPPORT SOFTWARE1. CONTROL PANELVarious modes can be used if the power switch is set to ON while the [Go] button is h

5-2Confidential1.1 List of service support functionsFront coverPress the [Go] button or SW supporter when sifting the modePress the [Go] button or SW

5-3Confidential1.2 User ModeBasically, user mode should be accessed by service personnel only. However, if there is demand, you can disclose to end us

5-4Confidential<Function>Functions of each “User Mode”.1) Test Sample PageThe machine prints a demo page. The machine returns to the ready statu

5-5Confidential1.3 Service ModeThe service mode is exclusively designed for the purpose of checks, settings and adjustments, and this function should

5-6ConfidentialPress the SW supporter twicePress the SW supporter again depending on the necessary number of times after check that Toner/Drum/Error L

5-7Confidential<Function>Functions of each “Service Mode”.9) Factory Inspection ModeThis mode checks the operation of each sensor, solenoid, fan

xivConfidentialCautionLightning and power surges can damage this product! We recommend that you use a quality surge protection device on the AC power

5-8Confidential• Check that the Toner LED goes out.Verify that the Ready LED is lit when pressing the [Go] button while the front cover is closed. (Wh

5-9Confidential15) Paper Size Setting (A4/Letter)You can select the paper size setting (A4/Letter) of the machine body. Whenever you switch this mode,

5-10ConfidentialDisplay terms is as follows.CAUTION:• * is displayed only in maintenance information.• Some margin of error must be taken into conside

5-11Confidential17) Printer SettingsIf you want to know the drum unit life or the number of printed pages, you should print out the Printer Settings.

5-12Confidential Page 1This page includes various setting information of the machine. • Printer information In the following order- Controller Versio

5-13ConfidentialCAUTION:• The drum unit life is shown by the band graph at the center of Printer Settings.Drum Unit LifeHow to Read the Drum Unit Life

5-14Confidential(2) Counter information, history informationThe counter and history information related to the following term are included. When it re

5-15Confidential Page 3, 4These pages include various network settings information of the machine.18) Sleep Mode Indication (OFF/Dimmed)This is to se

5-16Confidential2. OTHER SERVICE FUNCTIONS2.1 User Maintenance ModeThis section describes what the end user should do when replacing the consumable pa

5-17Confidential Initializing the developing biasWhen replacing the toner cartridge with a new one, the new toner sensor detects that the toner cartr

1-1ConfidentialCHAPTER 1 TROUBLESHOOTING1. INTRODUCTIONTroubleshooting is the countermeasure procedures that the service personnel should follow if an

6-1ConfidentialCHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM Main PCB Circuit Diagram (1/4)+DBACEFEDBACF876187654324321 50005RCGOLANA]7[ATADgnidraugGOLA

6-2Confidential Main PCB Circuit Diagram (2/4)DBACEFEDBACF8761 87654324321 50005RC]7[RDA]01[RDA]6[RDA]5[RDA]7[ATAD]31[ATAD]3[ATAD]5[ATAD]21[ATAD]1[AT

6-3Confidential Main PCB Circuit Diagram (3/4)+DBACEFEDBACF876187654324321 50005RCGOLANA2.15.1GOLANAGOLANA2.1GOLANA2.15.15.12.12.10.25.15.02.15.1GOLA

6-4Confidential Main PCB Circuit Diagram (4/4)DBACEFEDBACF876187654324321 50005RC]8[ATAD]9[ATAD]01[ATAD]11[ATAD]21[ATAD]31[ATAD]41[ATAD]51[ATAD]0[ATA

6-5Confidential High-voltage Power Supply PCB Circuit Diagram

6-6Confidential Low-voltage Power Supply PCB Circuit Diagram (100V)

6-7Confidential Low-voltage Power Supply PCB Circuit Diagram (200V)

6-8Confidential Wiring Diagram

App. 1-1ConfidentialAPPENDIX 1 SERIAL NUMBERING SYSTEMEach machine has a serial number label for the machine itself and property labels for some other

App. 1-2Confidential Laser unit serial label<How to Read>Fig. App. 1-3<Location>Fig. App. 1-4LUS Model distinction Y delayX delaySerial n

1-2Confidential1.2 Initial CheckCheck the following items before attempting to repair the machine. Operating Environment(1) Put your machine on a fla

App. 1-3Confidential Toner cartridge and Drum unit serial label (in common)<How to read>Fig. App. 1-5<Location>Fig. App. 1-6 Fig. App. 1-

App. 2-1ConfidentialAPPENDIX 2 SCREW CATALOGUEScrew pan (S/P washer) Taptite flat BTaptite bind BTaptite bind BM4x12Taptite cup BTaptite cup STaptite

App. 3-1ConfidentialAPPENDIX 3 DELETION OF PERSONAL INFORMATIONPersonal information such as wired and wireless network settings in the machine is reco

App. 4-1ConfidentialAPPENDIX 4 REFERENCESThis page provides the retrieve information. It is possible to get the instruction of the subject by just cli

App. 5-1ConfidentialAPPENDIX 5 GLOSSARY ACRONYMS AND TECHNICAL TERMSIn this manual and the Service Reference Manual, the manual specific acronyms and

1-3Confidential(2) CleaningUse a soft dry cloth.CAUTION:DO NOT use flammable substances or any type of spray to clean the inside or outside of the mac

1-4Confidential2. DISTINGUISH ERROR CAUSE2.1 LED indication2.1.1 LED indication at Operator CallsDistinguish the contents of message by LED indication

Confidential© Copyright Brother Industries, Ltd. 2007Compilation and Publication:This manual has been complied and published, under the supervision of

1-5Confidential5) No paper fed tray 1N/A 1-96) No paper fed manual feed slotN/A 1-107) Drum errorN/A 1-108) Front cover is open N/A 1-129) Fuser cover

1-6Confidential2.1.2 LED indication at Service CallsIf service calls occur, all four LEDs blink on and off to notice it. And then when press the [Go]

1-7Confidential2.2 Message indication2.2.1 Error indication at Service CallsWhen the service call is generated, the machine can distinguish the type o

1-8Confidential2.3 Error Cause and RemedyMemo :• The following troubleshooting sections contain both the actions which end users should take or check

1-9Confidential4) Cartridge position errorIdentification failure for a new toner cartridge.5) No paper fed tray 1No paper in Tray (T1)User Check• Inst

1-10Confidential6) No paper fed manual feed slotNo paper in manual feeding7) Drum errorDirt on drum unitUser Check• Load the paperStep Cause Remedy1Ha

1-11Confidential Electrodes location of the drum unitFig. 1-1 Electrodes location of the machineFig. 1-2Side surface of Drum unitSide surface of Fra

1-12Confidential8) Front cover is openFront cover opened9) Fuser cover is openFuser cover openedUser Check• Check if the front cover is closed certain

1-13Confidential10) Paper jam•JAM TRAY 1No paper in Tray 1 (T1)Fig. 1-3User Check• Check if the paper is jammed in the appropriate tray. If jammed, re

1-14Confidential• JAM INSIDE/JAM REARPaper jam inside the machineUser Check• Check if the paper is jammed. If jammed, remove it.• Check if the fuser c

iConfidentialPREFACEThis service manual contains basic information required for after-sales service of the laser printer (hereinafter referred to as &

1-15Confidential11) Memory fullMemory full12) Print overrunData expansion is not in time13) Main PCB failure14) Fuser unit failureCAUTION:This problem

1-16Confidential15) Laser unit failureLaser diode failure16) Main motor failure17) High-voltage power supply PCB failure18) Fan failureStep Cause Reme

1-17Confidential3. PAPER FEEDING PROBLEMSProblems related to paper feeding are end user recoverable if following the User Check items. If the same pro

1-18Confidential3.3 Paper Jam Paper jam in the paper tray and front cover Paper jam in the back cover and paper eject sectionStep Cause CheckResultR

1-19Confidential3.4 Dirt on Paper3.5 Wrinkles or creases3.6 Waves in the paper / folds in the paper at the eject roller 2User Check• Check if the pape

1-20Confidential3.7 Curl in the paper(1) Turn the Nip release lever of right and left to the direction of the arrow.(2) Hold and turn the PR stopper p

1-21Confidential4. IMAGE DEFECT TROUBLESHOOTING4.1 Image Defect ExamplesFig. 1-54.2 Diameter of RollersImage defects which appear periodically may be

1-22Confidential4.3 Troubleshooting Image DefectImage defect related problems are end user recoverable if following the User Check items. If the same

1-23Confidential Faulty registration DarkUser Check• Check that the appropriate media type is selected in the printer driver.Step Cause CheckResultR

1-24Confidential Poor fixing Completely blankUser Check• Replace the drum unit with a new one.• Replace the toner cartridge with a new one.Step Caus

iiConfidentialAPPENDIX 1: SERIAL NUMBERING SYSTEMAPPENDIX 2: SCREW CATALOGUEAPPENDIX 3: DELETION OF PERSONAL INFORMATIONAPPENDIX 4: REFERENCESAPPENDIX

1-25Confidential Image distortionStep Cause CheckResultRemedy1Laser unit not assembled correctlyIs the laser unit assembled into the machine securely

1-26Confidential All blackStep Cause CheckResultRemedy1Corona wire failureAre the electrodes on the drum unit and machine body dirty?Ye sClean both e

1-27Confidential Dirt on the back of paper Vertical streaksCAUTION:If the machine prints the same pattern, especially including vertical streaks, co

1-28Confidential Black horizontal stripesFig. 1-6User Check• Clean the inside of the machine and the corona wire in the drum unit.• Replace the drum

1-29Confidential White vertical streaks White horizontal streaksUser Check• Clean the scanner windows of the laser unit with a soft lint-free cloth.

1-30Confidential Faint print White spotsUser Check• Check that the machine is installed on a level surface.• Replace the toner cartridge with a new

1-31Confidential<Clean the drum unit as follows>If you have print quality problems, clean the drum unit as follows:(1) Put the print sample in f

1-32Confidential Black spots Black bandUser Check• Damp (wet) paper might be used. Try to change to freshly unpacked paper.• Toner may be empty. Rep

1-33Confidential Downward fogging of solid color Horizontal linesUser Check• Toner may be empty. Replace the toner cartridge with a new one.Step Cau

1-34Confidential Ghost FoggingCAUTION:This problem often occurs when the drum unit or toner cartridge is nearly at the end of life.User Check• Check

iiiConfidentialTABLE OF CONTENTSREGULATION ...v

1-35Confidential5. SOFTWARE SETTING PROBLEMSThe machine may not print the data correctly if there are incorrect software settings.User Check• Check th

1-36Confidential6. NETWORK PROBLEMSUser Check• Check the descriptions in the network user’s guide.• Try resetting the factory settings.Step Cause Chec

1-37Confidential7. OTHERS PROBLEMS The machine is not turned on, or the LED indication does not appear. The fan does not work.Step Cause CheckResult

2-1ConfidentialCHAPTER 2 PERIODICAL MAINTENANCETo avoid creating secondary problems by mishandling, follow the warnings below during maintenance work.

2-2Confidential2. PERIODICAL PEPLACEMENT PARTSThere are no parts to be replaced periodically.

3-1ConfidentialCHAPTER 3 DISASSEMBLY AND ASSEMBLY1. SAFETY PRECAUTIONSTo avoid creating secondary problems by mishandling, follow the warnings and pre

3-2Confidential2. PACKINGFig. 3-1DEMO InsertionSet guideUSB IF cableAC cordPadOption cartonPadCartonAccessory bagMachine

3-3Confidential3. SCREW TORQUE LISTLocation of screw Screw type Q’tyTightening torqueN m (kgf · cm)KEY STOPPER Taptite cup B M3x8 2 0.4±0.05 (4±0.5)IN

3-4Confidential* The parenthesis shows the number of screws for HL-2150N/2170W.UNDER FG WIRE Taptite bind B M4x12 1 0.8±0.1 (8±1)Taptite cup S M3x6 SR

3-5Confidential4. LUBRICATIONThe kind of the lubricating oil(Maker name)Lubrication point Quantity of labricationBG-MU (Kanto Kasei)Dev gear joint/53R

ivConfidential2. PACKING ...

3-6Confidential5. OVERVIEW OF GEARSFig. 3-2CAUTION:The part codes of gears are subject to change without notice.12346781011171516141395121234678101117

3-7Confidential6. HARNESS ROUTING1 FUSER UNIT2 FG HARNESSPS PCB unitFuser unitEject sensor PCB ASSYLaser unitFG harnessMain PCB ASSY<Left side>&

3-8Confidential3 MAIN FRAME R ASSY4Wireless LAN PCB ASSY (only HL-2170W) / Toner LED PCB ASSY / PS PCB unit / Main PCB ASSYFront cover senserPS PCB un

3-9Confidential5TONER LED PCB ASSY / REGISTRATION FRONT SENSOR PCB ASSY / REGISTRATION REAR SENSOR PCB ASSY6PANEL PCB ASSY / TONER SENSOR PCB UNIT ASS

3-10Confidential7 HIGH-VOLTAGE PS PCB / REGISTRATION SOLENOID / T1 SOLENOIDHigh-voltage PS PCB ASSYT1 solenoidRegistration solenoidDrive sub ASSYT1 so

3-11Confidential7. DISASSEMBLY FLOWFig. 3-3FUSER UNITCORNERCOVERTOP COVERASSYMAIN PCB ASSYDRIVE SUBASSYSWSUPPORTERFILTER ASSY15s/15s15s/15s20s/20s15s/

3-12Confidential8. DISASSEMBLY PROCEDURE8.1 PAPER TRAY UNIT / SEPARATION PAD ASSY(1) Pull out the Paper tray unit from the Main body.(2) Lift up the S

3-13Confidential8.2 FRONT COVER ASSY / SW KEY8.2.1 FRONT COVER ASSY(1) Open the Front cover ASSY.(2) Release the Hook to remove the DEV joint link fro

3-14Confidential(3) Release the Hook of the Front cover ASSY from the Front cover top.(4) Remove the Boss of the Front chute ASSY, and then remove the

3-15Confidential8.2.2 SW KEY(1) Remove the two Taptite cup B M3x8 screws, and then remove the Key stopper from the Front cover ASSY.(2) Remove the SW

vConfidential8.21.3 TONER LED PCB ASSY ... 3-468.22 LVPS ...

3-16ConfidentialAssembling Note:When operate while having the Screw installation part of the SW key, be careful not to damage it.Fig. 3-8HookFront cov

3-17Confidential8.3 BACK COVER / OUTER CHUTE ASSY8.3.1 BACK COVER(1) Open the Back cover.(2) Release the Boss of the Outer chute ASSY from the Back co

3-18Confidential8.3.2 OUTER CHUTE ASSY(1) Release the Boss to remove the Outer chute ASSY from the Main body.Fig. 3-10Boss (Fuser cover ASSY)Boss (Fus

3-19Confidential8.4 FUSER COVER ASSY8.4.1 FUSER COVER ASSY(1) Take down the Fuser cover ASSY.(2) Remove the Fuser cover ASSY from the Main body.Fig. 3

3-20Confidential8.4.2 EJECT ACTUATOR / EJECT ACTUATOR SPRING(1) Release the Hook to slide the Eject actuator, and then remove the Eject actuator from

3-21Confidential8.4.3 EJECT ROLLER ASSY 1 / BUSH C / BUSH R / BUSH L(1) Release the Hook of the Bush C from the Fuser cover ASSY.(2) Remove the Eject

3-22Confidential8.5 INNER CHUTE ASSY(1) Remove the two Taptite bind B M4x12 screws, and then remove the Inner chute ASSY from Main body.Fig. 3-15Tapti

3-23Confidential8.6 FUSER UNIT(1) Disconnect the Connector.Fig. 3-16CAUTION:Pull out the Connector from the Housing part of the Main body left side.(2

3-24Confidential(3) Remove the two Taptite pan (washer) B M4x14 screws, and then remove the Fuser unit from the Main body.Fig. 3-18Taptite pan (washer

3-25Confidential8.7 SIDE COVER R ASSY(1) Remove the two Taptite bind B M4x12 screws.(2) Release the Hook to remove the Side cover R ASSY from the Main

viiConfidentialREGULATION<For Europe and Other countries> Radio interference (220 to 240 volt model only)This machine follows EN55022 (CISPR Pu

3-26Confidential8.8 CORNER COVER(1) Remove the Taptite bind B M4x12 screw.(2) Release the Hook to remove the Corner cover from the Main body.Fig. 3-20

3-27Confidential8.9 SIDE COVER L ASSY(1) Remove the two Taptite bind B M4x12 screws.(2) Release the Hook to remove Side cover L ASSY from the Main bod

3-28Confidential8.10 ROLLER HOLDER ASSY(1) Release the Boss of the Roller holder ASSY from the Link arm.(2) Press the Rib of the Paper feed frame, and

3-29ConfidentialAssembling Note:When assembling the Roller holder ASSY to the Main body, note the assembling method referring to the figure below.Fig.

3-30Confidential8.11 WIRELESS LAN PCB ASSY (only HL-2170W)(1) Disconnect the Connector from the Wireless LAN PCB ASSY.(2) Release the Hook to remove t

3-31Confidential8.12 MAIN SHIELD COVER PLATE(1) Remove the three Taptite cup S M3x6 SR screws, and then remove the Main shield cover plate from the Ma

3-32Confidential8.13 MAIN PCB ASSY(1) Disconnect the six FFCs and the three Connectors from the Main PCB ASSY.(2) Remove the four Taptite cup S M3x6 S

3-33Confidential8.14 TOP COVER ASSY8.14.1 TOP COVER ASSY(1) Remove the two Taptite bind B M4x12 screws.(2) Release the Hook to remove the Top cover AS

3-34Confidential8.14.2 PAPER STACK LEVER(1) Release the Boss to remove the two Paper stack levers from the Top cover ASSY.Fig. 3-28Paper stack leverPa

3-35Confidential8.14.3 SUPPORT FLAP 1 / SUPPORT FLAP 2(1) Release the Boss to remove the Support flap 1 from the Main body.(2) Release the Boss to rem

viiiConfidential Internal laser radiationMaximum radiation power: 10 mWWave length: 780 - 800 nmLaser class: Class 3B EU Directive 2002/96/EC and EN

3-36Confidential8.14.4 EJECT ROLLER ASSY 2 / BUSH R / BUSH L(1) Remove the Eject roller ASSY 2 from the Top cover ASSY.(2) Remove the Bush R and the

3-37Confidential8.15 SW SUPPORTER(1) Release the Hook to remove the SW supporter from the Main body.Fig. 3-31SWsupporterPanel PCB ASSYHookRibHole1a1a1

3-38Confidential8.16 PANEL PCB ASSY(1) Remove the Panel film.(2) Remove the Taptite cup B M3x8 screw.(3) Remove the Panel PCB ASSY from the Main body.

3-39Confidential8.17 HIGH-VOLTAGE PS PCB ASSY(1) Disconnect the two connectors from the High-voltage PS PCB ASSY.(2) Remove the two Taptite cup S M3x6

3-40Confidential8.18 NEW TONER SENSOR HARNESS ASSY(1) Release the Hook to remove the New toner sensor harness ASSY from the Main body.Fig. 3-34CAUTION

3-41Confidential8.19 FILTER ASSY(1) Remove the Filter ASSY from the Main body.Fig. 3-35Filter ASSY

3-42Confidential8.20 LASER UNIT(1) Remove the four Taptite cup S M3x6 SR screws, and then remove the Laser unit from the Main body.Memo :• The two Tap

3-43Confidential(2) Remove the Taptite cup S M3x6 SR screw, and then remove the FG harness ASSY from the Laser unit.(3) Remove the Taptite cup S M3x6

3-44Confidential8.21 FAN MOTOR 60 UNIT / COVER SENSOR HARNESS ASSY / TONER LED PCB ASSY8.21.1 FAN MOTOR 60 UNIT(1) Disconnect the Connector from the T

3-45Confidential8.21.2 COVER SENSOR HARNESS ASSY(1) Disconnect the Connector from the Toner LED PCB ASSY.(2) Release the Hook to remove the Cover sens