Brother HL-2440 Service Manual
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Brother HL-2440 Service Manual

Laser printer
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HL-2140/2150N/2170W
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
Sep 2007
SM-PRN066
84UA0*
(5)
Brother Laser Printer

SERVICE MANUAL

MODEL:
Confidential

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Summary of Contents for Brother HL-2440

  • Page 1: Service Manual

    Brother Laser Printer SERVICE MANUAL MODEL: HL-2140/2150N/2170W Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. Sep 2007 SM-PRN066 84UA0* Confidential...
  • Page 2 The contents of this manual and the specifications of this product are subject to change without notice. Brother reserves the right to make changes without notice in the specifications and materials contained herein and shall not be responsible for any damages (including consequential) caused by reliance on the materials presented, including but not limited to typographical and other errors relating to the publication.
  • Page 3 PREFACE This service manual contains basic information required for after-sales service of the laser printer (hereinafter referred to as "the machine"). This information is vital to the service personnel to maintain the high printing quality and performance of the machine. This service manual covers the HL-2140/2150N/2170W machines.
  • Page 4 APPENDIX 1: SERIAL NUMBERING SYSTEM APPENDIX 2: SCREW CATALOGUE APPENDIX 3: DELETION OF PERSONAL INFORMATION APPENDIX 4: REFERENCES APPENDIX 5: GLOSSARY Information in this manual is subject to change due to improvement or redesign of the product. All relevant information in such cases will be supplied in service information bulletins (Technical Information).

  • Page 5: Table Of Contents

    TABLE OF CONTENTS REGULATION ......................vii SAFETY INFORMATION ...................xi CHAPTER 1 TROUBLESHOOTING ..............1-1 1. INTRODUCTION ......................... 1-1 Precautions ......................... 1-1 Part names ......................... 1-2 Initial Check ........................1-3 2. DISTINGUISH ERROR CAUSE ....................1-5 LED indication ........................1-5 2.1.1 LED indication at Operator Calls ................1-5 2.1.2 LED indication at Service Calls ................
  • Page 6 CHAPTER 3 DISASSEMBLY AND ASSEMBLY ..........3-1 1. SAFETY PRECAUTIONS ......................3-1 2. PACKING ............................. 3-2 3. SCREW TORQUE LIST ......................3-3 4. LUBRICATION ..........................3-5 5. OVERVIEW OF GEARS ......................3-6 6. HARNESS ROUTING ........................3-7 7. DISASSEMBLY FLOW ......................3-11 8.
  • Page 7 8.21 FAN MOTOR 60 UNIT / COVER SENSOR HARNESS ASSY / TONER LED PCB ASSY ..3-44 8.21.1 FAN MOTOR 60 UNIT ..................3-44 8.21.2 COVER SENSOR HARNESS ASSY ..............3-45 8.21.3 TONER LED PCB ASSY ..................3-46 8.22 LVPS ..........................3-48 8.22.1 PS PCB UNIT .......................

  • Page 8: Regulation

    REGULATION <For Europe and Other countries> ■ Radio interference (220 to 240 volt model only) This machine follows EN55022 (CISPR Publication 22)/Class B. ■ IEC 60825-1 specification (220 to 240 volt model only) This machine is a Class 1 laser product as defined in IEC 60825-1 specifications. The label shown below is attached in countries where it is needed.

  • Page 9: Internal Laser Radiation

    ■ Internal laser radiation Maximum radiation power: 10 mW Wave length: 780 - 800 nm Laser class: Class 3B ■ EU Directive 2002/96/EC and EN50419 (European Union only) This equipment is marked with the recycling symbol below. It means that at the end of the life of the equipment you must dispose of it separately at an appropriate collection point and not place it in the normal domestic unsorted waste stream.
  • Page 10 Important A shielded interface cable should be used to ensure compliance with the limits for a Class B digital device. Changes or modifications not expressly approved by Brother Industries, Ltd. could void the user’s authority to operate the equipment. Confidential...
  • Page 11 FDA regulations and must be attached to laser products marketed in the United States. MANUFACTURED: Brother Technology (Shenzhen) Ltd. NO6 Gold Garden Ind., Nanling Buji, Longgang, Shenzhen, China This product complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No.50, dated Jun 24, 2007.

  • Page 12: Safety Information

    SAFETY INFORMATION ■ Caution for Laser Product (WARNHINWEIS fur Laser drucker) CAUTION: When the machine during servicing is operated with the cover open, the regulations of VBG 93 and the performance instructions for VBG 93 are valid. CAUTION: In case of any trouble with the laser unit, replace the laser unit itself. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit.
  • Page 13 ■ Definitions of Warnings, Cautions, Notes and Memos The following conventions are used in this manual: Mark Contents Warnings tell you what to do to prevent possible personal injury. Electrical Hazard icons alert you to a possible electrical shock. Hot Surface icons warn you not to touch machine parts that are hot. Cautions specify procedures you must follow or avoid to prevent possible damage to the machine or other objects.

  • Page 14: Safety Precautions

    ■ Safety Precautions Listed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage electrodes inside the machine. Before you clean the inside of the machine or replace parts, make sure that you have turned off the power switch and unplugged the machine from the AC power outlet.
  • Page 15 WARNING DO NOT use flammable substances such as alcohol, benzine, thinner or any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. If the machine becomes hot, blows smoke, or generates obscure odor, immediately turn off the power switch and unplug the machine from the AC power outlet.

  • Page 16: Chapter 1 Troubleshooting

    CHAPTER 1 TROUBLESHOOTING INTRODUCTION Troubleshooting is the countermeasure procedures that the service personnel should follow if an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible troubles which may occur in future and determine the troubleshooting procedures, so this chapter covers some sample troubles.

  • Page 17: Part Names

    Part names Support flap 1 Top cover ASSY Support flap 2 Back cover Fuser cover ASSY Eject roller ASSY 2 Pinch roller ASSY Outer chute ASSY Inner chute ASSY Laser unit PS PCB unit ASSY Registration rear Fuser unit sensor PCB ASSY Key supporter Filter ASSY Panel film...

  • Page 18: Initial Check

    Initial Check Check the following items before attempting to repair the machine. ■ Operating Environment (1) Put your machine on a flat, stable surface such as a desk that is free of vibration and shocks. (2) Use the machine in a well-ventilated room; use the machine within the following ranges of temperature and humidity: temperature between 10°C and 32.5°C (50°F to 90.5°F), and the relative humidity is maintained between 20% and 80%.
  • Page 19 (2) Cleaning Use a soft dry cloth. CAUTION: DO NOT use flammable substances such as alcohol, benzine, thinner or any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. Confidential...

  • Page 20: Distinguish Error Cause

    DISTINGUISH ERROR CAUSE LED indication 2.1.1 LED indication at Operator Calls Distinguish the contents of message by LED indication in the control panel. See the reference page and take the corrective action described for each indication to correct it. when the red Error LED is ON or blinking to indicate it, the machine automatically recovers from most errors.
  • Page 21 Error clearance by Type of error pressing the Refer to: [Go] button 5) No paper fed tray 1 1-10 6) No paper fed manual feed slot 1-11 7) Drum error 1-11 8) Front cover is open 1-13 9) Fuser cover is open 1-13 10) Paper jam (JAM TRAY 1, JAM INSIDE...

  • Page 22: Led Indication At Service Calls

    2.1.2 LED indication at Service Calls If service calls occur, all four LEDs blink on and off to notice it. And then when press the [Go] button, distinguish a fault from the specific combination of ON/OFF and status color of the LED.

  • Page 23: Message Indication

    Message indication 2.2.1 Error indication at Service Calls If LED indication does not operate when service calls occur, you can use a maintenance tool to distinguish the type of error. Error indication Error indication Refer Type of error (Printing of Printer Settings) (Printing of Maintenance) ERROR S01 ERROR S01...

  • Page 24: Error Cause And Remedy

    Error Cause and Remedy Memo : • The following troubleshooting sections contain both the actions which end users should take or check and the ones which service technicians should perform. Toner low Replacing of the toner cartridge User Check • Gently shake the toner cartridge from side to side and install it again. •...
  • Page 25 Cartridge position error Identification failure for a new toner cartridge. User Check • Install the toner cartridges into the machine properly. Step Cause Remedy Power off or front cover opened Reset the developing bias voltage and while detecting a new toner develop roller counter.
  • Page 26 No paper fed manual feed slot No paper in manual feeding User Check • Load the paper Step Cause Remedy Harness connection failure of Check the harness connection of the registration front sensor PCB registration front sensor PCB ASSY. ASSY Registration front sensor PCB Check the registration front sensor failure...
  • Page 27 ■ Electrodes location of the drum unit Charged electrode Side surface of Grid Drum unit Develop roller Exposure drum Cleaner Transfer roller Fig. 1-2 ■ Electrodes location of the machine Grid Charged electrode Side surface of Frame L ASSY inside Develop roller Exposure drum Cleaner...
  • Page 28 Front cover is open Front cover opened User Check • Check if the front cover is closed certainly. Step Cause Remedy Cover sensor harness ASSY Check the sensor performance following failure the procedure in "Factory Inspection Mode" (Chapter 5). If any problem occurs, replace the Cover sensor harness ASSY.
  • Page 29 10) Paper jam • JAM TRAY 1 No paper in Tray 1 (T1) User Check • Check if the paper is jammed in the appropriate tray. If jammed, remove it. • Adjust the paper guide corresponding to the paper size. •...
  • Page 30 • JAM INSIDE/JAM REAR Paper jam inside the machine User Check • Check if the paper is jammed. If jammed, remove it. • Check if the fuser cover is closed certainly. Step Cause Remedy Harness connection failure of Check the harness connections of the registration front sensor PCB registration front sensor PCB ASSY, paper ASSY, paper eject sensor PCB...
  • Page 31 11) Memory full Memory full User Check • Press the [Go] button, then print the stored data. • Reduce the data capacity or reduce the print resolution. 12) Print overrun Data expansion is not in time User Check • Reduce the complexity of data or reduce the print resolution. 13) Main PCB failure User Check •...
  • Page 32 15) Laser unit failure Laser diode failure Step Cause Remedy Laser unit harness connection Check the two harness connections of the failure laser unit and reconnect them. FG harness ASSY connection Check the FG harness ASSY connection failure between the laser unit and main PCB ASSY.

  • Page 33: Paper Feeding Problems

    PAPER FEEDING PROBLEMS Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. No Feeding Step Cause...

  • Page 34: Paper Jam

    Paper Jam ■ Paper jam in the paper tray and front cover Step Cause Check Result Remedy Registration front Does the registration front Re-assemble the actuator/edge actuator/edge actuator registration front actuator/ actuator catching move smoothly? edge actuator. on some position Registration front Does the registration front Replace the registration...

  • Page 35: Dirt On Paper

    Dirt on Paper User Check • Check if the paper is loaded into the paper tray correctly. • Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray. Step Cause Check Result Remedy...

  • Page 36: Curl In The Paper

    Curl in the paper Step Cause Check Result Remedy High pressure of Is the problem solved by Change the position of the pressure roller in changing the position of pressure roller. the fuser unit the pressure roller? (1) Turn the Nip release lever of right and left to the direction of the arrow. (2) Hold and turn the PR stopper plate of right and left.

  • Page 37: Image Defect Troubleshooting

    IMAGE DEFECT TROUBLESHOOTING Image Defect Examples Light Faulty registration Dark Poor fixing Completely blank Vertical streaks Dirt on the back of paper Image distortion All black Black vertical streaks Black horizontal White vertical White horizontal Faint print in a light background stripes streaks streaks...

  • Page 38: Troubleshooting Image Defect

    Troubleshooting Image Defect Image defect related problems are end user recoverable if following the User Check items. If the same problem occurs, follow each procedure in the order of the number described in the Step column in the tables below. ■...

  • Page 39: Faulty Registration

    <Location of the leser beam window> Fig. 1-7 ■ Faulty registration User Check • Check that the appropriate media type is selected in the printer driver. Step Cause Check Result Remedy Registration rear Does the registration Re-assemble the actuator catching rear actuator move registration rear actuator.

  • Page 40: Poor Fixing

    ■ Poor fixing User Check • Replace the drum unit with a new one. • Replace the toner cartridge with a new one. Step Cause Check Result Remedy High pressure of Is the problem solved by Change the position of the pressure roller in changing the position of pressure roller.

  • Page 41: Image Distortion

    ■ Image distortion Step Cause Check Result Remedy Laser unit not Is the laser unit Assemble the laser unit assembled assembled into the correctly and secure the correctly machine securely? screw. (Check if there is no gap.) Incorrect Is the problem solved Replace the laser unit.
  • Page 42 ■ All black Step Cause Check Result Remedy Corona wire Are the electrodes on Clean both electrodes. failure the drum unit and (Refer to Fig. 1-2, Fig. 1-3.) machine body dirty? Is the corona wire Replace the drum unit. damaged? Scanner harness Is the scanner harness Reconnect the scanner...

  • Page 43: Vertical Streaks

    ■ Dirt on the back of paper Step Cause Check Result Remedy Scratch and Dirt Is the pressure roller Print approximate 10 on the fuser unit ASSY dirty? Is any other pages. area in the machine dirty? Replace the fuser unit. Scratch and Dirt Is the paper feed system Wipe dirt off.
  • Page 44 ■ Black horizontal stripes User Check • Clean the inside of the machine and the corona wire in the drum unit. • Replace the drum unit with a new one. Step Cause Check Result Remedy Dirt on the Are the electrodes on Clean both electrodes.
  • Page 45 ■ White vertical streaks User Check • Clean the scanner windows of the laser unit with a soft lint-free cloth. (Refer to Fig. 1-7.) • Replace the toner cartridge with a new one. • Check the machine’s environment. High temperature and high humidity conditions can cause this problem.

  • Page 46: White Spots

    ■ Faint print User Check • Check that the machine is installed on a level surface. • Replace the toner cartridge with a new one. • Clean the scanner windows of the toner unit with a soft cloth. (Refer to Fig.
  • Page 47 <Clean the drum unit as follows> If you have print quality problems, clean the drum unit as follows: (1) Put the print sample in front of the drum unit, and find the exact position of the poor print. Fig. 1-9 (2) Turn the drum unit gear to the direction of the arrow of the figure by hand while looking at the surface of the exposure drum.

  • Page 48: Black Spots

    ■ Black spots User Check • Damp (wet) paper might be used. Try to change to freshly unpacked paper. • Toner may be empty. Replace the toner cartridge with a new one. • If the problem is not solved after printing a few pages, the drum unit may have glue from label stock on the exposure drum surface.

  • Page 49: Horizontal Lines

    ■ Downward fogging of solid color User Check • Toner may be empty. Replace the toner cartridge with a new one. Step Cause Check Result Remedy HVPS PCB Is the problem solved Replace the HVPS PCB failure after replacing the ASSY.
  • Page 50 ■ Ghost User Check • Check the machine's environment, conditions such as high or low humidity may cause this situation to occur. • Check that the appropriate media type or size is selected in the printer driver. • Replace the drum unit with a new one. Step Cause Check...

  • Page 51: Software Setting Problems

    SOFTWARE SETTING PROBLEMS The machine may not print the data correctly if there are incorrect software settings. User Check • Check that the USB cable and the network cable is not damaged or broken. • Check that the correct machine is selected if you have an interface switching device. •...

  • Page 52: Network Problems

    NETWORK PROBLEMS User Check • Check the descriptions in the network user’s guide. • Try resetting the factory settings. Step Cause Check Result Remedy Wireless LAN Is the problem solved Replace the wireless LAN PCB failure after replacing the PCB ASSY. (HL-2170W) wireless LAN PCB ASSY?

  • Page 53: Others Problems

    OTHERS PROBLEMS ■ The machine is not turned on, or the LED indication does not appear. Step Cause Check Result Remedy Harness Is the harness of the Reconnect the panel PCB connection panel PCB ASSY ASSY harness. failure of panel connected correctly? Panel PCB Is the problem solved...
  • Page 54 ■ Pickup function of paper tray does not work. Step Cause Remedy Link arm does not operate Check whether the link arm operates smoothly or keeps catching. correctly. Pickup roller holder ASSY does Check whether the pickup roller holder not operate smoothly or keeps ASSY operates correctly.

  • Page 55: Chapter 2 Periodical Maintenance

    CHAPTER 2 PERIODICAL MAINTENANCE To avoid creating secondary problems by mishandling, follow the warnings below during maintenance work. WARNING • Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine. •...

  • Page 56: Periodical Peplacement Parts

    PERIODICAL PEPLACEMENT PARTS There are no parts to be replaced periodically. Confidential...

  • Page 57: Chapter 3 Disassembly And Assembly

    CHAPTER 3 DISASSEMBLY AND ASSEMBLY SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING • Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine.

  • Page 58: Packing

    PACKING Set guide DEMO Insertion Accessory bag AC cord USB IF cable Option carton Machine Carton Fig. 3-1 Confidential...

  • Page 59: Screw Torque List

    SCREW TORQUE LIST Tightening torque Location of screw Screw type Q’ty N m (kgf · cm) KEY STOPPER Taptite cup B M3x8 0.4±0.05 (4±0.5) INNER CHUTE ASSY Taptite bind B M4x12 0.6±0.1 (6±1) FUSER UNIT Taptite pan B M4x14 0.8±0.1 (8±1) SIDE COVER R ASSY Taptite bind B M4x12 0.8±0.1 (8±1)
  • Page 60 Tightening torque Location of screw Screw type Q’ty N m (kgf · cm) UNDER FG WIRE Taptite bind B M4x12 0.8±0.1 (8±1) Taptite cup S M3x6 SR 0.8±0.05 (8±0.5) DRIVE SUB ASSY Taptite cup S M3x6 SR 0.6±0.1 (6±1) Taptite bind B M4x12 0.8±0.1 (8±1) NEW TONER SENSOR HARNESS Taptite bind B M3x10...

  • Page 61: Lubrication

    LUBRICATION The kind of the lubricating oil Lubrication point Quantity of labrication (Maker name) BG-MU Dev gear joint/53R 2mm dia. ball (Kanto Kasei) Drive sub ASSY Drum gear 25L/139L MOLYKOTE EM-D110 Separation pad ASSY 2mm dia. ball (Dow Corning Toray) 4 places 4 places 2 places...

  • Page 62: Overview Of Gears

    OVERVIEW OF GEARS EJECTOR GEAR 15/25 FUSER GEAR 22/37 REGISTRATION GEAR 25 TERMINAL (LU2018001) (LU2015001) (LU2129001) REGISTRATION GEAR 27 PENDULUM EJECTOR GEAR 26 EJECTOR GEAR 17 FEEDER GEAR 17/22 (LU2048001) REGISTRATION (LU2017001) (LU2016001) (LU2043001) DIFFERENTIAL FEEDER GEAR 26/20 GEAR ASSY DEV GEAR 17/33L (LU2042001) (LU2049001)

  • Page 63: Harness Routing

    HARNESS ROUTING FUSER UNIT Eject sensor PCB ASSY PS PCB unit Fuser unit FG HARNESS Laser unit <Back side> FG harness <Left side> Main PCB ASSY Confidential...
  • Page 64 MAIN FRAME R ASSY Front cover sensor Toner LED PCB ASSY Fan motor 60 unit PS PCB unit SW holder Inlet harness ASSY WIRELESS LAN PCB ASSY (only HL-2170W) / TONER LED PCB ASSY / PS PCB UNIT / MAIN PCB ASSY/ REGISTRATION FRONT SENSOR PCB ASSY / REGISTRATION REAR SENSOR PCB ASSY Wireless LAN PCB ASSY (only HL-2170W)
  • Page 65 PANEL PCB ASSY / TONER SENSOR PCB UNIT ASSY / NEW TONER SENSOR HARNESS ASSY <Left side> Panel PCB ASSY <Front side> New toner sensor harness ASSY Toner sensor PCB unit ASSY Confidential...
  • Page 66 HIGH-VOLTAGE PS PCB / REGISTRATION SOLENOID / T1 SOLENOID Drive sub ASSY High-voltage PS PCB ASSY <Left side> <Front side> <Bottom side> <Bottom side> <Bottom side> T1 solenoid Registration solenoid <Left side> Registration solenoid T1 solenoid 3-10 Confidential...

  • Page 67: Disassembly Flow

    DISASSEMBLY FLOW FRONT COVER INNER CHUTE RUBBER FOOT BACK COVER ASSY / SW KEY ASSY 15s/15s 10s/10s 5s/5s 5s/5s SEPARATION PAD OUTER ROLLER HOLDER FUSER UNIT ASSY / SEPARATION ASSY CHUTE ASSY PAD SPRING 15s/15s 5s/5s 30s/30s 10s/15s FAN MOTOR 60 CORNER SIDE COVER R FUSER COVER...

  • Page 68: Disassembly Procedure

    DISASSEMBLY PROCEDURE PAPER TRAY UNIT / SEPARATION PAD ASSY (1) Pull out the Paper tray unit from the Main body. (2) Lift up the Separation pad ASSY. (3) Release the Boss to remove the Separation pad ASSY from the Paper tray unit. (4) Remove the Separation pad spring from the Paper tray unit.

  • Page 69: Front Cover Assy / Sw Key

    FRONT COVER ASSY / SW KEY 8.2.1 FRONT COVER ASSY (1) Open the Front cover ASSY. (2) Release the Hook to remove the DEV joint link from the Front cover ASSY. Front cover ASSY Hook DEV joint link Fig. 3-5 3-13 Confidential...
  • Page 70 (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 Front cover ASSY from the Main body. Boss (Front chute ASSY) Front chute ASSY Boss Front cover ASSY (Front chute ASSY)

  • Page 71: Sw Key

    8.2.2 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 key from the Front cover ASSY. Taptite cup B M3x8 Key stopper Screw installation part SW Key Front cover ASSY Boss...
  • Page 72 Assembling Note: When operate while having the Screw installation part of the SW key, be careful not to damage it. Screw installation part SW key Hook Front cover ASSY Fig. 3-8 3-16 Confidential...

  • Page 73: Back Cover / Outer Chute Assy

    BACK COVER / OUTER CHUTE ASSY 8.3.1 BACK COVER (1) Open the Back cover. (2) Release the Boss of the Outer chute ASSY from the Back cover. (3) Release the Hook from the Side cover R ASSY. (4) Slide the Back cover from the Main body, and remove it. Boss Outer chute ASSY Boss...

  • Page 74: Outer Chute Assy

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

  • Page 75: Fuser Cover Assy

    FUSER COVER ASSY 8.4.1 FUSER COVER ASSY (1) Take down the Fuser cover ASSY. (2) Remove the Fuser cover ASSY from the Main body. Fuser cover ASSY Boss Fuser cover ASSY Boss Fig. 3-11 3-19 Confidential...

  • Page 76: Eject Actuator / Eject Actuator Spring

    8.4.2 EJECT ACTUATOR / EJECT ACTUATOR SPRING (1) Release the Hook to slide the Eject actuator, and then remove the Eject actuator from the Fuser cover ASSY. (2) Remove the Eject actuator spring from the Eject actuator. Eject actuator Eject actuator spring Eject actuator Hook Eject actuator...

  • Page 77: Eject Roller Assy 1 / Bush C / Bush R / Bush L

    8.4.3 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 roller ASSY 1 from the Fuser cover ASSY. Bush C Eject roller ASSY 1 Boss Hook...

  • Page 78: Inner Chute Assy

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

  • Page 79: Fuser Unit

    FUSER UNIT (1) Disconnect the Connector. Housing part Connector Fuser unit Fig. 3-16 CAUTION: Pull out the Connector from the Housing part of the Main body left side. (2) Disconnect the two Connectors from the Eject sensor PCB ASSY. Fuser unit Connector Eject sensor PCB ASSY Fig.
  • Page 80 (3) Remove the two Taptite pan B M4x14 screws, and then remove the Fuser unit from the Main body. Fuser unit Taptite pan B M4x14 Fig. 3-18 3-24 Confidential...

  • Page 81: Side Cover R Assy

    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 body. Taptite bind B M4x12 Hook Side cover R ASSY Taptite bind B M4x12 Hook Hook Fig.

  • Page 82: Corner Cover

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

  • Page 83: Side Cover L Assy

    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 body. Taptite bind B M4x12 Hook Taptite bind B M4x12 Hook Hook Side cover L ASSY Fig.

  • Page 84: Roller Holder Assy

    8.10 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 the slide the Separation R shaft bush. (3) Remove the Roller holder ASSY from the Main body. Roller holder ASSY <Bottom side>...
  • Page 85 Assembling Note: When assembling the Roller holder ASSY to the Main body, note the assembling method referring to the figure below. Separation R shaft bush Bush 6 Groove Fig. 3-23 CAUTION: When the Separation R shaft bush does not slide, put the Rib of the Bush 6 while aligning the Groove of the Main body shaft hole from the Main frame L ASSY side.

  • Page 86: Wireless Lan Pcb Assy (Only Hl-2170W)

    8.11 WIRELESS LAN PCB ASSY (only HL-2170W) (1) Disconnect the Connector from the Wireless LAN PCB ASSY. (2) Release the Hook to remove the Wireless LAN PCB ASSY from the Main body. Hook Connector Hook Wireless LAN PCB ASSY Wireless LAN PCB ASSY Fig.

  • Page 87: Main Shield Cover Plate

    8.12 MAIN SHIELD COVER PLATE (1) Remove the three Taptite cup S M3x6 SR screws, and then remove the Main shield cover plate from the Main body. Taptite cup S M3x6 SR Taptite cup S M3x6 SR Main shield cover plate Fig.

  • Page 88: Main Pcb Assy

    8.13 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 SR screws, and then remove the FG harness ASSY and Main PCB ASSY from the Main body. Memo : The five Taptite cup S M3x6 SR screws.

  • Page 89: Top Cover Assy

    8.14 TOP COVER ASSY 8.14.1 TOP COVER ASSY (1) Remove the two Taptite bind B M4x12 screws. (2) Release the Hook to remove the Top cover ASSY from the Main body. Top cover ASSY Hook Hook Hook Taptite bind B M4x12 Fig.

  • Page 90: Paper Stack Lever

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

  • Page 91: Support Flap 1 / Support Flap 2

    8.14.3 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 remove the Support flap 2 from the Main body. Support flap 2 Support flap 1 Boss Top cover ASSY Boss...

  • Page 92: Eject Roller Assy 2 / Bush R / Bush L

    8.14.4 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 Bush L from the Eject roller ASSY 2. Bush L Eject roller ASSY 2 Bush R Top cover ASSY...

  • Page 93: Sw Supporter

    8.15 SW SUPPORTER (1) Release the Hook to remove the SW supporter from the Main body. Hook supporter Hole Panel PCB ASSY Fig. 3-31 3-37 Confidential...

  • Page 94: Panel Pcb Assy

    8.16 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. (4) Disconnect the two connectors from the Panel PCB ASSY. Panel film Taptite cup B M3x8 Panel PCB ASSY Connector Fig.

  • Page 95: High-Voltage Ps Pcb Assy

    8.17 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 SR screws and the two Taptite bind B M4x12 screws. (3) Release the Hook to remove High-voltage PS PCB ASSY from the Drive sub ASSY. Hook Taptite bind B M4x12 Taptite cup S M3x6 SR...

  • Page 96: New Toner Sensor Harness Assy

    8.18 NEW TONER SENSOR HARNESS ASSY (1) Release the Hook to remove the New toner sensor harness ASSY from the Main body. New toner sensor harness ASSY Hook New toner sensor harness ASSY Fig. 3-34 CAUTION: Be careful not to damage the Hook of the New toner sensor harness ASSY. 3-40 Confidential...

  • Page 97: Filter Assy

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

  • Page 98: Laser Unit

    8.20 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 Taptite cup S M3x6 SR screws and the two Taptite pan (S/P washer) S M3x8 screws.
  • Page 99 (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 SR screw, and then remove the Air duct from the Laser unit. Taptite cup S M3x6 SR Air duct FG harness ASSY Laser unit...

  • Page 100: Fan Motor 60 Unit / Cover Sensor Harness Assy / Toner Led Pcb Assy

    8.21 FAN MOTOR 60 UNIT / COVER SENSOR HARNESS ASSY / TONER LED PCB ASSY 8.21.1 FAN MOTOR 60 UNIT (1) Disconnect the Connector from the Toner LED PCB ASSY. (2) Remove the Fan motor 60 unit from the Main body. Fan motor 60 unit Connector Toner LED PCB ASSY...

  • Page 101: Cover Sensor Harness Assy

    8.21.2 COVER SENSOR HARNESS ASSY (1) Disconnect the Connector from the Toner LED PCB ASSY. (2) Release the Hook to remove the Cover sensor harness ASSY from the Main body. Connector Cover sensor harness ASSY Hook Cover sensor harness ASSY Toner LED PCB ASSY Fig.

  • Page 102: Toner Led Pcb Assy

    8.21.3 TONER LED PCB ASSY (1) Disconnect the three connectors from the Toner LED PCB ASSY. (2) Release the Hook to remove the Toner LED PCB ASSY from the Main body. Connector Connector Hook Toner LED PCB ASSY Fig. 3-41 3-46 Confidential...
  • Page 103 (3) Release the Hook to remove the LED holder from the Toner LED PCB ASSY. Toner LED PCB ASSY LED holder Hook Fig. 3-42 3-47 Confidential...

  • Page 104: Lvps

    8.22 LVPS 8.22.1 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 remove the LV shield plate cover and the LV insulation sheet from LV Shield plate 2. Taptite cup S M3x6 SR LV insulation sheet...
  • Page 105 (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) M3.5x6 screw, and then remove the FG harness ASSY of the Inlet harness ASSY from the LV shield plate 2. (4) Remove the two Taptite flat B M3x10 screws, and then remove the Inlet harness ASSY from the Main body.
  • Page 106 8.22.2 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 LV shield plate 2. LV shield plate 2 Taptite cup S M3x6 SR Taptite bind B M4x12 Taptite cup S M3x6 SR Fig.

  • Page 107: Registration Front Sensor Pcb Assy

    8.23 REGISTRATION FRONT SENSOR PCB ASSY (1) Remove the Harness of the Registration front sensor PCB ASSY and Registration rear sensor PCB ASSY from the Guide part of the Main body. Guide part Harness Fig. 3-46 3-51 Confidential...
  • Page 108 (2) Remove the two Taptite bind B M3x10 screws, and then remove the Actuator holder ASSY from the Main body. Taptite bind B M3x10 Actuator holder ASSY Fig. 3-47 3-52 Confidential...
  • Page 109 (3) Remove the Registration actuator spring from the Hook part. (4) Turn the Registration front actuator at 90 degrees in the direction of counterclockwise as the arrow 4 shown below. (5) Slide the Registration front actuator to remove the Registration front actuator from the Actuator holder ASSY.
  • Page 110 (6) Loosen the tip of the Edge actuator spring from the Actuator holder ASSY. (7) Release the Hook and Slide the Edge actuator to remove the Edge actuator from the Actuator holder ASSY. Edge actuator spring Edge actuator Actuator holder ASSY Edge actuator Hook Fig.
  • Page 111 (8) Remove the Taptite bind B M3x10 screw, and then remove the Registration front sensor PCB ASSY from the Actuator holder ASSY. Taptite bind B M3x10 Registration front sensor PCB ASSY Actuator holder ASSY Fig. 3-50 3-55 Confidential...

  • Page 112: Registration Rear Sensor Pcb Assy

    8.24 REGISTRATION REAR SENSOR PCB ASSY (1) Remove the Harness of the Registration rear sensor PCB ASSY from the Guide part of Main body. Harness Guide part Fig. 3-51 3-56 Confidential...
  • Page 113 (2) Remove the two Taptite bind B M3x10 screws, and then remove the Rear actuator holder ASSY from the Main body. Taptite bind B M3x10 Rear actuator holder ASSY Fig. 3-52 3-57 Confidential...
  • Page 114 (3) Remove the Actuator spring rear from the Hook part. (4) Turn the Registration actuator rear. (5) Slide the Registration actuator rear to remove the Registration actuator rear from the Rear actuator holder ASSY. Registration actuator rear Actuator spring rear Hook part Rear actuator holder ASSY Registration actuator rear...
  • Page 115 (6) Remove the Taptite bind B M3x10 screw, and then remove the Registration rear sensor PCB ASSY from the Rear actuator holder ASSY. Registration rear sensor PCB ASSY Taptite bind B M3x10 Rear actuator holder ASSY Fig. 3-54 3-59 Confidential...

  • Page 116: Drive Sub Assy

    8.25 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 from the Main body. Taptite cup S M3x6 SR Main frame L ASSY Taptite bind B M4x12 Under FG wire Fig.
  • Page 117 (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 body. Taptite bind B M4x12 Drive sub ASSY Taptite cup S M3x6 SR Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12...

  • Page 118: Dev Joint / Dev Gear Joint/53R / Registration Pendulum Gear Spring

    8.26 DEV JOINT / DEV GEAR JOINT/53R / REGISTRATION PENDULUM GEAR SPRING (1) Remove the DEV joint and the DEV joint spring from the DEV gear joint/53R. (2) Remove the DEV gear joint/53R from the Drive sub ASSY. (3) Remove the Registration pendulum gear spring from the Drive sub ASSY. DEV joint DEV joint spring DEV gear joint / 53R...

  • Page 119: Toner Sensor Pcb Unit Assy

    8.27 TONER SENSOR PCB UNIT ASSY (1) Remove the Taptite bind B M3x10 screw, and then remove the Link stopper and the Toner sensor PCB unit ASSY from the Main body. (2) Remove the PT sensor holder from the Toner sensor PCB unit ASSY. PT sensor holder Hook Taptite bind B M3x10...

  • Page 120: Registration Solenoid / T1 Solenoid

    8.28 REGISTRATION SOLENOID / T1 SOLENOID 8.28.1 REGISTRATION SOLENOID (1) Remove the T1 sector gear spring from the T1 gear 38/31 sector. (2) Remove the T1 gear 38/31 sector from the Main body. (3) Release the Hook to remove the Registration gear 25 terminal from the Main body. (4) Remove the Registration differential gear ASSY from the Main body.
  • Page 121 (5) Remove the Registration solenoid lever spring from the Main body and Registration solenoid lever. (6) Remove the Harness from the guide part of Main body. (7) Remove the Taptite bind B M3x10 screw, and then remove the Registration solenoid from the Main body.

  • Page 122: T1 Solenoid

    8.28.2 T1 SOLENOID (1) Remove the T1 solenoid lever spring from the Main body and T1 solenoid lever. (2) Remove the Harness from the Guide part of the Main body. (3) Remove the Taptite bind B M3x10 screw, and then remove the T1 solenoid from the Main body.

  • Page 123: Main Shield Plate / Eject Sensor Pcb Assy

    8.29 MAIN SHIELD PLATE / EJECT SENSOR PCB ASSY (1) Remove the three Taptite bind B M3x10 screws, and then remove the FU front paper guide from the Main body. Taptite bind B M3x10 FU front paper guide Fig. 3-62 3-67 Confidential...
  • Page 124 (2) Remove the two Taptite cup S M3x6 SR screws, and then remove the Chute ground plate from the Main body. Chute ground plate Taptite cup S M3x6 SR Taptite cup S M3x6 SR Fig. 3-63 3-68 Confidential...
  • Page 125 (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 shield plate from the Main body. Main PCB sheet Taptite bind B M4x12 Main shield plate Taptite bind B M4x12 Fig.
  • Page 126 (5) Release the Hook to remove the Eject sensor PCB ASSY from the Main body. Eject sensor PCB ASSY Hook Fig. 3-65 3-70 Confidential...

  • Page 127: Rubber Foot

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

  • Page 128: Main Frame L Assy

    Note: The procedure for disassembling the Main frame L ASSY after "8.17 HIGH-VOLTAGE PS PCB ASSY" is described below. 8.31 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.
  • Page 129 (2) Remove the two Taptite cup S M3x6 SR screws, and then remove the Chute ground plate from the Main body. Chute ground plate Taptite cup S M3x6 SR Fig. 3-68 3-73 Confidential...
  • Page 130 (3) Release the Hook to remove the Registration gear 25 terminal, the two Feeder gear 17 terminals and the Bush 6. Hook Registration gear 25 terminal Feeder gear 17 terminal Bush 6 Fig. 3-69 3-74 Confidential...
  • Page 131 (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. Taptite cup S M3x6 SR Main frame L ASSY Taptite bind B M4x12 Under FG wire Fig.
  • Page 132 (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 the Main body. Memo : • Remove the Main frame L ASSY in the state that the DEV joint link is pulled out. Taptite cup S M3x6 SR Taptite bind B M4x12 Taptite bind B M4x12...

  • Page 133: Chapter 4 Adjustments And Updating Of Settings, Required After Parts Replacement

    CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT IF YOU REPLACE THE MAIN PCB <What to do when replacing the main PCB> • Rewriting the firmware (Main Program) • Setting the default paper size • Setting the serial number •...
  • Page 134 (7) Download Utility (FILEDG32.EXE) Copy it into the "hl2100" folder that has been created in the C drive. (8) Brother Maintenance USB Printer Driver Copy it into the "hl2100" folder that has been created in the C drive. Extract the copied file.
  • Page 135 Once this installation procedure is carried out for the PC, no more driver installation will be required for that PC to identify machines. If BHL2 Maintenance Driver is already installed to your PC, fully uninstall the BHL2 Maintenance Driver before installing Brother Maintenance USB Printer Driver.
  • Page 136 (8) Alert warning message of WHQL appears three times. Click Continue Anyway to proceed. (9) If the device driver is successfully installed, the following message screen appears. Click Finish to return. (10) Connect the machine to your PC using the USB cable. (11) Select “Install the software automatically (Recommended)”...
  • Page 137 (12) Alert warning message of WHQL appears. Click Continue Anyway to proceed. (13) If the Brother Maintenance USB Printer driver is successfully installed, the following message screen appears. Click Finish to return. Confidential...
  • Page 138 After the installation procedure of the Brother Maintenance USB Printer driver is completed, refer to the following steps for the detailed procedures to rewrite the program files. If the Brother Maintenance USB Printer Driver has already been installed to your PC, start to rewrite the program files.

  • Page 139: Setting The Default Paper Size

    ■ Setting the default paper size <Procedures> (1) Open the "hl2000" folder and double-click the FILEDG32.EXE icon to start. Select the applicable machine and click it. (Make sure that there is the icon of the connected machine and that no error occurs.) (2) Drag "s2100EUR"...

  • Page 140: Setting The Serial Number

    ■ Setting the serial number <Procedures> (1) Connect the PC and machine with the USB cable. (2) Double-click the brmainte. EXE file (maintenance utility) which has been copied in the “hl2100” folder to start. Select “Input Information” from Menu. Select the applicable model name. (3) Check the port (USB) which the machine is connected through and click “Serial No.”...
  • Page 141 ■ Inputting the adjusted value of the laser scanner <Procedures> (1) Double-click the brmainte. EXE file (maintenance utility) to start. Select “Input Information” from Menu. Select the applicable model name. (2) Select “Adjust Scanner” from Menu. (3) Check the port (USB) that the machine is connected through. (4) Enter the figures (the last four digits) shown on the label attached on the chassis at the right hand side of the main PCB into the box at the right hand side.
  • Page 142 Serial label Laser unit Serial label Drive sub ASSY Drive sub ASSY 2 to 10mm Serial label 4-10 Confidential...
  • Page 143 ■ Setting the toner cartridge type The “Toner Life End” message is displayed according to the upper limit value of the developing roller rotation. The upper limit value is different between the starter toner cartridge, standard one and high-capacity one. Therefore, it is necessary to set the conformable value to the toner cartridge installed in the machine following the steps below.

  • Page 144: If You Replace The Wireless Lan Pcb

    IF YOU REPLACE THE WIRELESS LAN PCB <What to do when replacing the wireless LAN PCB> • Backup to the Main PCB of the Wireless LAN PCB Information (HL-2170W only) <Which parts to use> WIRELESS LAN PCB ASSY <What you need to prepare> (1) HL-2170W target machine ■...

  • Page 145: If You Replace The Laser Unit

    IF YOU REPLACE THE LASER UNIT ■ Inputting the adjusted value of the laser scanner (1) Double-click the brmainte.EXE file (maintenance utility). (2) Select “Input Information” from Menu. Select the applicable model name. (3) Check the port (USB) that the machine is connected through. (4) Select “Adjust Scanner”...

  • Page 146: Chapter 5 Service Support Software

    CHAPTER 5 SERVICE SUPPORT SOFTWARE CONTROL PANEL Various modes can be used if the power switch is set to ON while the [Go] button is held. There are two types of modes: User Mode and Service Mode. Three types of LED display are used to indicate that present setting.

  • Page 147: List Of Service Support Functions

    List of service support functions Press the [Go] button Press the [Go] button Front Refer or SW supporter when or SW supporter when Function cover sifting the mode selecting the function Close Once Once 1) Test Sample Page Twice 2) Print Fonts Three times 3) USB 2.0 FULL Serial Number Return Value...

  • Page 148: User Mode

    User Mode Basically, user mode should be accessed by service personnel only. However, if there is demand, you can disclose to end users. <Procedure> (1) Check that the front cover is closed. (2) Turn ON the power switch while holding down the [Go] button. Check that Toner/Drum/Error LEDs are lighted.
  • Page 149 <Function> Functions of each “User Mode”. Test Sample Page The machine prints a demo page. The machine returns to the ready status after printing. Print Fonts It is an effective function only for HL-2150N/2170W. The machine prints a list of the internal fonts.

  • Page 150: Service Mode

    Service Mode The service mode is exclusively designed for the purpose of checks, settings and adjustments, and this function should be accessed by service personnel only. You can perform a print test and display the log information. <Procedure> (1) Check that the front cover is open. (2) Turn ON the power switch while holding down the SW supporter.
  • Page 151 Press the SW supporter twice Press the SW supporter again depending on the necessary number of times after check that Toner/Drum/Error LEDs are lighted. Press the SW supporter Mode Once 16) Printing for Maintenance * Start printing when close the front cover. Twice 17) Printer Settings * Start printing when close the front cover.
  • Page 152 <Function> Functions of each “Service Mode”. Factory Inspection Mode This mode checks the operation of each sensor, solenoid, fan, scanner motor and main motor to check the point with the malfunction, when repair the machine. • The machine goes into the inspection mode by a special operation when the power is turned on.
  • Page 153 • 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. (When you press the [Go] button while the front cover is closed, the Toner LED goes out.) It remains off while the [Go] button is being pressed.
  • Page 154 15) Paper Size Setting (A4/Letter) You can select the paper size setting (A4/Letter) of the machine body. Whenever you switch this mode, the setting is changed over from the present one to other. You can verify the setting change by LEDs when releasing the SW supporter. When the Toner and Drum LEDs light for 1 second, the paper size is set to Letter.
  • Page 155 Display terms is as follows. Series Name Model name of machine Serial Number Serial number of machine CONT. ROM VERSION Rom version of machine Device Status Page Count, Drum Count, Average Coverage The maximum count for each item is 1 million times. Drum Information Estimated Pages Remaining, % of Life Remaining.
  • Page 156 17) Printer Settings If you want to know the drum unit life or the number of printed pages, you should print out the Printer Settings. The “Printer Settings” is configured with one page for HL-2140, three pages for HL-2150N and four pages for HL-2170W (The wired LAN and wireless LAN is set to ON).
  • Page 157 ■ Page 1 This page includes various setting information of the machine. • Printer information In the following order - Controller Version (CONT.ROM VERSION) - Net work Version (NET ROM VERSION) But, HL-2140 is not indicated - RAM SIZE (Mbyte) •...
  • Page 158 CAUTION: • The drum unit life is shown by the band graph at the center of Printer Settings. Drum Unit Life How to Read the Drum Unit Life - It initially indicates 100% and gradually decreases. - It indicates 0% when the Drum LED is blinking. - It stays at 0% even if further printing is done.
  • Page 159 (2) Counter information, history information The counter and history information related to the following term are included. When it reaches the maximum count, each term is no longer counted. Page Count The total number of printed pages . The maximum count is 1 million pages.
  • Page 160 ■ Page 3, 4 These pages include various network settings information of the machine. HL-2150N/2170W Page 3: Wired Network Information HL-2170W LAN: Wired Enable setting = ON, LAN: WLAN Enable setting = ON Page 3: Wired Network Information Page 4: Wireless Network Information LAN: Wired Enable setting = ON, LAN: WLAN Enable setting = OFF Page 3: Wired Network Information Page 4: Not Available...

  • Page 161: Other Service Functions

    OTHER SERVICE FUNCTIONS User Maintenance Mode This section describes what the end user should do when replacing the consumable parts. ■ Resetting the drum counter The printed image may deteriorate when using the drum unit to a certain degree. The machine detects how much the drum unit is used with the drum counter and the Drum LED blinks when the drum unit life is nearly at the end of its life to indicate to the end user that the drum unit life reaches the end of its life soon, in order to prevent the printed image defects...
  • Page 162 ■ Initializing the developing bias When replacing the toner cartridge with a new one, the new toner sensor detects that the toner cartridge is replaced, and the developing bias is initialized automatically. Therefore, the end user is not necessary to initialize the developing bias. If replacing the toner cartridge which contains enough toner with a used one, the new toner sensor cannot detect that the toner cartridge is replaced so that the developing bias is not initialized.

  • Page 163: Chapter 6 Circuit Diagrams, Wiring Diagram

    CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM ■ Main PCB Circuit Diagram (1/4) NAME CIR B512257 CODE LV0034-001 (1/4) Confidential...
  • Page 164 ■ Main PCB Circuit Diagram (2/4) NAME CIR B512257 CODE LV0034-001 (2/4) Confidential...
  • Page 165 ■ Main PCB Circuit Diagram (3/4) NAME CIR B512257 CODE LV0034-001 (3/4) Confidential...
  • Page 166 ■ Main PCB Circuit Diagram (4/4) NAME CIR B512257 CODE LV0034-001 (4/4) Confidential...
  • Page 167 ■ High-voltage Power Supply PCB Circuit Diagram Confidential...
  • Page 168 ■ Low-voltage Power Supply PCB Circuit Diagram (100V) Confidential...
  • Page 169 ■ Low-voltage Power Supply PCB Circuit Diagram (200V) Confidential...
  • Page 170 ■ Wiring Diagram Confidential...

  • Page 171: Appendix 1 Serial Numbering System

    APPENDIX 1 SERIAL NUMBERING SYSTEM Each machine has a serial number label for the machine itself and property labels for some other parts. Refer to the information below for the meaning of the serial number and property codes and the location of each label. ■...
  • Page 172 ■ Laser unit serial label <How to Read> LUS Model distinction Y delay Frame manufacturer X delay and mold distinction T1 the 1st mold Serial number Y3 the 3rd. mold Polygon motor distinction Inspection machine Fig. App. 1-3 <Location> Serial label Laser unit Serial label Drive sub ASSY...
  • Page 173 ■ Toner cartridge and Drum unit serial label (in common) <How to read> Month of manufacture A : January E : May J : September Assembly line number B : February F : June K : October C : March G : July L : November Serial number (6-digit)

  • Page 174: Appendix 2 Screw Catalogue

    APPENDIX 2 SCREW CATALOGUE Taptite bind B Taptite bind B M3x10 Taptite bind B M4x12 Taptite cup B Taptite cup B M3x8 Taptite cup B M4x12 Taptite cup S Taptite cup S M3x6 SR Taptite flat B Taptite flat B M3x10 Screw pan (S/P washer) Screw pan (S/P washer)

  • Page 175: Appendix 3 Deletion Of Personal Information

    APPENDIX 3 DELETION OF PERSONAL INFORMATION Personal information such as wired and wireless network settings in the machine is recorded in the EEPROM on the Main PCB. Follow the procedure described below to delete this information with a single operation. (Refer to "1.2 User Mode"...

  • Page 176: Appendix 4 References

    APPENDIX 4 REFERENCES This page provides the retrieve information. It is possible to get the instruction of the subject by just clicking on the link below. 1. Message indication (Refer to “2.2 Message indication”, Chapter 1 of the Service Manual.) 2.

  • Page 177: Appendix 5 Glossary

    APPENDIX 5 GLOSSARY ■ ACRONYMS AND TECHNICAL TERMS In this manual and the Service Reference Manual, the manual specific acronyms and technical terms are used in addition to the generally used ones. The table below contains typical acronyms and technical terms that are used throughout these manuals. ASIC Application Specific Integrated Circuit Connector...

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