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Brother ADS-3000N Service Manual

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Brother Advanced Document Scanner
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
Nov., 2015
SM-PT083
(1)
SERVICE MANUAL
MODEL:
ADS-2400N/3000N
Confidential

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Summary of Contents for Brother ADS-3000N

  • Page 1 Brother Advanced Document Scanner SERVICE MANUAL MODEL: ADS-2400N/3000N Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. Nov., 2015 SM-PT083 Confidential...
  • Page 2 © Copyright Brother 2015 All rights reserved. No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher. All other product and company names mentioned in this manual are trademarks or registered trademarks of their respective holders.
  • Page 3 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 4: Table Of Contents

    CONTENTS SAFETY INFORMATION.................... v CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS 1. GENERAL ............................ 1-1 2. NETWORK CONNECTIVITY......................1-3 3. SERVICE INFORMATION......................1-3 4. CONSUMABLE PARTS ....................... 1-3 5. PAPER ............................1-4 Paper Handling ........................1-4 Media Specifications......................1-4 6. SCANNER ............................ 1-5 CHAPTER 2 ERROR INDICATIONS &...
  • Page 5 4.1.5 The scanned data has exceeded the memory capacity of the machine. The scanned data has exceeded the memory capacity of the machine when "to PC" was executed. The scanned data has exceeded the memory capacity of the machine when "WSScan" was executed........... 2-12 4.1.6 Time setting error ....................
  • Page 6 4.7.1 Machine does not turn ON .................. 2-25 4.7.2 Cannot update firmware ..................2-25 4.7.3 Cannot save data in USB flash memory ............. 2-25 CHAPTER 3 DISASSEMBLY/REASSEMBLY 1. SAFETY PRECAUTIONS......................3-1 2. PACKING ............................. 3-2 3. SCREW CATALOGUE......................... 3-3 4. SCREW TORQUE LIST ....................... 3-4 5.
  • Page 7 1.1.2 Installing firmware ....................4-4 Setting by Country ....................... 4-6 Initializing the EEPROM of the Main PCB ASSY..............4-6 Activating Memory Writing ....................4-6 Setting Serial Number......................4-7 Setting Multi Feeding Sensor Threshold................4-10 Check Sensor Operation ....................4-11 Check Multi Feeding Operation ..................4-12 Checking Operation after Repair ..................

  • Page 8: Safety Information

    SAFETY INFORMATION WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injuries. CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injuries. Important Important indicates a potentially hazardous situation which, if not avoided, may result in damage to property or loss of product functionality.
  • Page 9 To use the Machine Safely  Please keep these instructions for later reference and read them before attempting any maintenance. If you do not follow these safety instructions, there is a possibility of a fire, electrical shock, burn or suffocation. WARNING DO NOT expose the machine to direct sunlight, excessive heat, open flames, corrosive gasses, moisture or dust.
  • Page 10 Important • DO NOT place your machine next to sources of interference, such as speakers or the base units of non-Brother cordless telephones. Doing so may interfere with the operation of the machine's electronic components. • DO NOT connect your machine to an AC power outlet controlled by wall switches or automatic timers.
  • Page 11 • DO NOT use the machine or handle the cord if the cord has become worn or frayed. If unplugging the machine, DO NOT touch the damaged/frayed part. • Brother strongly recommends that you DO NOT use any type of extension cord. This product was packaged in a plastic bag. To avoid suffocation, keep this plastic bag away from babies and children.
  • Page 12 DO NOT use the unit near any liquids, for example, near a bath tub, wash bowl, kitchen sink or washing machine, in a wet basement or near a swimming pool. DO NOT use a damaged AC adapter. DO NOT place heavy objects on, damage, or modify the AC adapter. DO NOT forcibly bend the cord of the AC adapter.
  • Page 13 Do not disassemble or modify the machine, otherwise fire or electric shock may result. If the machine requires repair, contact the place of purchase or Brother Authorized Service Personnel. If the machine becomes hot, releases smoke, or generates any strong or unusual odors, immediately unplug the machine from the power outlet and call Brother Customer Service.
  • Page 14 DO NOT attempt to service the unit yourself because disassembling the unit may expose you to dangerous voltage points and other risks and may void your warranty. Refer all servicing to a Brother Authorized Service Center. For the location of your nearest Brother Authorized Service Center, please call:...

  • Page 15: Chapter 1 Supplemental Specifications

    CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS 1. GENERAL Part ADS-2400N ADS-3000N Scanning Method Dual CIS Resolution From ADF Max 600 x 600 dpi (Optical) Resolution (Interpolated) Max 1200 x 1200 dpi Scanning One-sided 30 ppm 300 dpi 50 ppm 300 dpi Speed Monochrome (2.0 seconds (A4/LTR))
  • Page 16 <Computer requirements> Hard Disk Space Supported Processor to install Computer Platform & PC Interface Minimum Operating System Version Software Speed Functions Drivers Applications ® ® ® Windows Windows Scanning Intel 150 MB 1 GB ® Operating Home Pentium ® System Windows 10/100/1000 Professional...

  • Page 17: Network Connectivity

    500,000 sheets (A4/LTR) MTBF 4,000 hours MTTR 0.5 hours Maximum monthly volume ADS-2400N: 60,000 sheets (A4/LTR) ADS-3000N: 100,000 sheets (A4/LTR) Specifications are subject to change without notice. 4. CONSUMABLE PARTS Part All Models Reverse Roller 200,000 sheets (A4/LTR) (User replacement parts)

  • Page 18: Paper

    5. PAPER Paper Handling Part All Models ADF Input 50 sheets ADF Output 50 sheets Duplex (Scan) Specifications are subject to change without notice. Media Specifications Part All Models Paper Plain Paper, Thin Paper, Thick Paper, Thicker Paper, Recycled Input Paper, Post Card (JPN), Business Card, Plastic Card Media ADF (multiple paper) 27 to 413 g/m...

  • Page 19: Scanner

    XP Home Edition and Windows XP Professional. *2 For the latest driver updates for the Mac OS X you are using, visit us at http://support.brother.com/. *3 Server OS is supported Scanner Driver Only. Specifications are subject to change without notice.

  • Page 20: Chapter 2 Error Indications & Troubleshooting

    CHAPTER 2 ERROR INDICATIONS & TROUBLESHOOTING 1. INTRODUCTION Troubleshooting is a collection of solution procedures that service personnel should follow if an error or malfunction occurs in the machine. It is difficult to determine troubleshooting procedures for all possible problems that may occur in the future. Therefore, this chapter describes typical problem cases and recovery procedures for these.

  • Page 21: Checks Before Commencing Troubleshooting

    Checks before Commencing Troubleshooting Check the following items before commencing repairs on the machine. Operating environment  (1) The machine is placed on a flat, stable surface. (2) The machine is used in a clean environment where the temperature is between 10°C (50°F) and 32.5°C (90.5°F) and the relative humidity is maintained between 20% and 80%.

  • Page 22: Overview

    2. OVERVIEW Cross-section Drawing Document detection actuator Document stopper Reverse roller Document tray Multi feeding sensor (Sent) Document scanning position actuator Second side CIS unit Pick up roller Paper feed jam actuator (Duplex scanning speed 100 ipm model only) Eject jam actuator (Duplex scanning speed 100 ipm model only) Multi feeding sensor (Receive)

  • Page 23: Paper Feeding

    Paper Feeding Feed path <Front side> <Back side> Fig. 2-2 Confidential...

  • Page 24: Operation Of Each Part

    Operation of Each Part Part name Operation Pick up roller / Separates documents set in the document tray into single Reverse roller sheets, and feeds them into the machine. Multi feeding sensor Detects whether multiple documents are fed into the machine. Feed roller Feeds the document.

  • Page 25: Block Diagram

    Block Diagram Panel PCB Front cover sensor Main PCB Feed motor USB host PCB Pick up motor First side CIS unit Second side CIS unit Multi feeding sensor PCB ASSY (Sent) Multi feeding sensor PCB ASSY (Receive) DC jack Document detection USB3.0 sensor PCB (Duplex Scanning...

  • Page 26: Main Components

    Main Components Document tray Front cover ASSY Multi feeding sensor PCB ASSY (Receive) Document scanning position sensor PCB Eject jam sensor Flat cable support film Side cover L Pick up roller Back cover Second side CIS unit Feed belt Feed motor Front cover L Paper feed motor Front cover sensor...

  • Page 27: Error Indications

    3. ERROR INDICATIONS LED Display when an Error Occurs Determine the message details according to the LED display on the control panel. Refer to the page shown in the "Refer to:" column in the table below to take appropriate measures. Most errors are automatically cleared after measures are taken.
  • Page 28 Type of problem Refer to: Transmission with "to FTP", "to SFTP", "to Network" or "to SharePoint" failed (ex: no response or 4.1.4 interruption). The scanned data has exceeded the memory capacity of the machine. 4.1.5 Time setting error 4.1.6 The scanned data has exceeded the memory capacity of the machine when "to PC"...
  • Page 29 Type of problem Refer to: A non-supported USB device is connected to the USB terminal. 4.1.15 An USB device with a built-in hub is connected to the USB terminal. 4.1.15 When the to NW Dev1, to NW Dev2, to NW Dev3, to PC, to USB, and Error LEDs are flashing, you can switch displays by pressing the [X] key according to the error cause.

  • Page 30: Status Error Messages

    Status Error Messages Refer Description Check Connection Connection error between the machine and PC occurred when 4.1.19 the "to PC" was executed. Document Jam/too A document jam occurred. 4.1.7 Long The document scanning position sensor detected that the 4.1.8 document was longer than 5 m. Insufficient USB The data has exceeded the USB flash memory capacity when 4.1.2...

  • Page 31: Troubleshooting

    4. TROUBLESHOOTING Troubleshooting for Error Display 4.1.1 All scanned data are printed as blank page. Step Cause Remedy The maintenance mode function Execute the maintenance mode function "Acquire white level data and set "Acquire white level data and set CIS scan CIS scan area"...

  • Page 32: Time Setting Error

    4.1.6 Time setting error <User Check> - Check the settings. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. 4.1.7 A document jam occurred. <User Check> - Check that the document size is within the standard. If it is too small or light, use a carrier sheet (Models with carrier sheet only).

  • Page 33: The Multi Feeding Sensor Detected Multiple Documents

    4.1.9 The multi feeding sensor detected multiple documents. <User Check> - Check that the paper used for the document is within the standard. - Check that the document is not wrinkled. - Check that the document is not damp. - Moisten a soft cloth with cleaning solution. Gently and evenly wipe the pick up roller and reverse roller perpendicular to the direction of the rotation with the cloth to clean it.

  • Page 34: The Page Counter Of The Pick Up Roller Has Reached The Limit And Its Cleaning Counter Has Exceeded The Specified Value

    4.1.13 The page counter of the pick up roller has reached the limit and its cleaning counter has exceeded the specified value. The page counter of the reverse roller has reached the limit and its cleaning counter has exceeded the specified value. Cleaning counter of both reverse roller and pick up roller has exceeded the specified value.

  • Page 35: A Scanning Error Occurred While Scanning The Image

    4.1.17 A scanning error occurred while scanning the image. Step Cause Remedy Program malfunction Install the latest version of the firmware. (Refer to “1.1” in Chapter The maintenance mode function Execute the maintenance mode function "Acquire white level data and set "Acquire white level data and set CIS scan CIS scan area"...

  • Page 36: Troubleshooting For Image Defects

    Troubleshooting for Image Defects 4.2.1 Defect examples Light Faulty registration Dark or bluish white Completely Vertical streaks White vertical blank streaks Hue defect Expanded image Dot or dirt Fig. 2-5 4.2.2 Troubleshooting according to image defect  Light <User Check> - Check that the contrast setting is not too light.
  • Page 37 Faulty registration  Step Cause Remedy Document scanning position Reattach the document scanning position actuator caught in sections of the actuator. machine  Dark or bluish white <User Check> - Check that the contrast setting is not too dark. Step Cause Remedy Incorrect white level correction data Execute the maintenance mode function...
  • Page 38  Vertical streaks <User Check> - Clean the CIS glass. - Clean the feeding path. Step Cause Remedy First side or second side CIS unit Replace the first side or second side CIS failure unit.  White vertical streaks <User Check> - Wipe the first and second side CIS glass four times in the same direction with a cleaning cloth.
  • Page 39 Expanded image  Step Cause Remedy The maintenance mode function Execute the maintenance mode function "Acquire white level data and set "Acquire white level data and set CIS scan CIS scan area" are not set. area". (Refer to “1.3.5” in Chapter Old firmware Install the latest version firmware.

  • Page 40: Troubleshooting For Document Paper Feeding Problems

    Troubleshooting for Document Paper Feeding Problems 4.3.1 No document is fed <User Check> - Check that the paper used for the document is within the standard. If it is not within the standard, use a carrier sheet (Models with carrier sheet only). - Check that the number of documents set is within the standard.

  • Page 41: Document Becomes Jammed

    4.3.3 Document becomes jammed <User Check> - Check that the paper used for the document is within the standard. If it is not within the standard, use a carrier sheet (Models with carrier sheet only). - Check that the document is not wrinkled. If wrinkled, use a carrier sheet (Models with carrier sheet only).

  • Page 42: Troubleshooting For Software Problems

    Troubleshooting for Software Problems End users can solve problems related to software, for instance, scanning is not possible from a computer although scanning can be performed from the machine, as long as they follow the User Check items. If the problem still cannot be solved, follow each procedure according to the step number in the tables below.

  • Page 43: Troubleshooting For Control Panel Problems

    Troubleshooting for Control Panel Problems 4.5.1 Nothing is displayed on the LED <User Check> - Check that the AC power cord or DC plug is connected correctly. Step Cause Remedy Connection failure of the panel PCB Reconnect the panel PCB harness. harness AC power cord failure Replace the AC power cord.

  • Page 44: Troubleshooting For Other Problems

    Troubleshooting for Other Problems 4.7.1 Machine does not turn ON <User Check> - Check that the power cord or DC plug is connected to the host correctly. Step Cause Remedy Rubber key attachment failure Reattach the rubber key. Connection failure of the panel PCB Reconnect the panel PCB harness.

  • Page 45: Chapter 3 Disassembly/Reassembly

    CHAPTER 3 DISASSEMBLY/REASSEMBLY 1. SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. • Be careful not to lose screws, washers, or other parts removed. • Be sure to apply grease to applicable positions specified in this chapter. •...

  • Page 46: Packing

    2. PACKING Confidential...

  • Page 47: Screw Catalogue

    3. SCREW CATALOGUE Taptite bind B Screw cup Taptite bind B Screw cup M3x8 M3x6 Taptite bind B M4x10 Taptite cup B Screw bind Taptite cup B Screw bind M2.6x10 (BK) M3x6 Taptite cup B M3x10 Confidential...

  • Page 48: Screw Torque List

    4. SCREW TORQUE LIST Tightening Location of screw Screw type Q'ty torque N · m (kgf · cm) Bottom cover ASSY Taptite bind B M3x8 0.50.1 (51) Back cover ASSY Taptite cup B M3x10 0.50.1 (51) USB host FG plate Taptite cup B M3x10 0.50.1 (51) Drive earth plate...

  • Page 49: Lubrication

    5. LUBRICATION There are no applicable parts for lubrication. Confidential...

  • Page 50: Overview Of Gears

    6. OVERVIEW OF GEARS There are no gears to be disassembled. Confidential...

  • Page 51: Harness Routing

    7. HARNESS ROUTING Main PCB ASSY Feed motor harness (RD) Paper feed motor harness (BK) USB host harness (WH) Panel flat cable First side CIS flat cable Document detection / Document scanning position sensor harness (GR, WH) Front cover sensor harness (WH) FG harness (GR) Second side CIS flat cable...
  • Page 52 Right side of the machine Paper feed motor harness (BK) Feed motor harness (RD) Front cover sensor harness (WH) Rear side of the machine Multi feeding sensor harness (Receive) (RD, BK, WH, BL) Paper feed motor harness (BK) Feed motor harness (RD) Harness colors are subject to change for some reason.
  • Page 53 Panel unit Panel flat cable FG harness (GR) Second side CIS flat cable Paper feed jam sensor harness (RD) Multi feeding sensor harness (Sent) (WH, BK) Eject jam sensor harness Document detection sensor harness (GR) (BL) Document scanning position sensor harness (WH) Harness colors are subject to change for some reason.

  • Page 54: Disassembly Flow Chart

    8. DISASSEMBLY FLOW CHART Disassembly / Re-Assembly (second) 9.1 Reverse roller / Pick 9.10 Second side CIS 9.2 Bottom cover ASSY 9.2 Exit stopper up roller unit 15/20 10/10 9.5 USB host PCB 9.3 Back cover ASSY 15/20 15/25 9.6 Main PCB ASSY 9.6 Main PCB ASSY (Models without copper (Models with copper...

  • Page 55: Disassembly Procedure

    9. DISASSEMBLY PROCEDURE Preparation  Disconnecting Cables and Removing Accessories Prior to proceeding with the disassembly procedure, (1) Disconnect the following: • AC adapter (AC power cord) • USB cable (if connected) • LAN cable (if connected) • USB flash memory (if connected) (2) Remove the following: •...

  • Page 56: Reverse Roller / Pick Up Roller

    Reverse roller / Pick up roller (1) Push the release button, and open the front cover ASSY. (2) Open the reverse roller cover to remove the reverse roller from the machine. Reverse roller Reverse roller cover Release button Front cover ASSY Fig.
  • Page 57 (4) Open the pick up roller cover. (5) Turn the lever in the direction of the arrow A to unlock and remove the pick up roller from the machine. Pick up roller Lever Lever hook Groove Pick up roller cover Fig.

  • Page 58: Bottom Cover Assy / Exit Stopper

    Bottom cover ASSY / Exit stopper (1) Remove the four taptite bind B M3x8 screws, and remove the bottom cover ASSY from the machine. Bottom cover ASSY Taptite bind B M3x8 Fig. 3-4 (2) Remove the two stoppers, and remove the exit tray ASSY from the bottom cover ASSY. (3) Remove the exit stopper from the exit tray ASSY.

  • Page 59: Back Cover

    Back cover (1) Push the release button, and open the front cover ASSY. (2) Open the pick up roller cover to remove the two taptite cup B M3x10 screws from the machine. Taptite cup B M3x10 Pick up roller cover Front cover ASSY Release button Fig.
  • Page 60 (3) Release the four hooks to remove the back cover from the machine in the direction of the arrow. Hooks Hooks Back cover Fig. 3-7 (4) Close the pick up roller cover. 3-16 Confidential...

  • Page 61: Side Cover L/R

    Side cover L/R (1) Release the three hooks, and remove the side cover L from the machine. Hook Side cover L Hooks Fig. 3-8 3-17 Confidential...
  • Page 62 (2) Release the three hooks, and remove the side cover R from the machine. Hook Side cover R Hooks Fig. 3-9 (3) Close the front cover ASSY. 3-18 Confidential...

  • Page 63: Usb Host Pcb Assy

    USB host PCB ASSY (1) Disconnect the USB host PCB harness and second side CIS flat cable from the main PCB ASSY. (2) Remove the three taptite cup B M3x10 screws, and remove the USB host FG plate from the machine. (3) Remove the USB host PCB ASSY from the machine.

  • Page 64: Main Pcb Assy

    Main PCB ASSY (1) Check the presence or absence of the copper seal on the main PCB upper shield. Main PCB upper shield Copper seal Fig. 3-11  The presence case of the copper seal (2) Disconnect all harnesses and flat cable connected to the main PCB ASSY. Paper feed motor harness Feed motor...
  • Page 65 (3) Remove the taptite bind B M3x8 screw, and remove the drive earth plate from the machine. Drive earth plate Taptite bind B M3x8 Fig. 3-13 (4) Remove the three taptite cup B M3x10 screws to remove the FG harness (GR) and main PCB upper/lower shield from the machine.
  • Page 66 (5) Remove the two screw cup M3x6 screws. (6) Slide the main PCB upper shield in the direction of the arrow. Release the two ribs of the main PCB upper shield from the main PCB lower shield to open the main PCB upper shield.
  • Page 67 (7) Remove the three screw cup M3x6 screws to remove the main PCB ASSY from the main PCB lower shield. Screw cup M3x6 Main PCB ASSY Main PCB lower shield Fig. 3-17 (8) Remove the heat conductive sheet B and heat conductive sheet A from the main PCB ASSY. Heat conductive sheet B Heat conductive sheet A Main PCB ASSY...
  • Page 68  The absence case of the copper seal (2) Remove the two screw cup M3x6 screws, and remove the main PCB upper shield from the machine. Main PCB lower shield Ribs Screw cup M3x6 Main PCB upper shield Ribs Main PCB upper shield Main PCB upper shield Sponge Main PCB ASSY...
  • Page 69 (3) Disconnect all harnesses and flat cables connected to the main PCB ASSY. Paper feed motor harness Feed motor harness Panel flat Main PCB ASSY cable First side CIS flat cable Paper feed / Eject jam sensor harness Front cover sensor Multi feeding sensor harness (Sent) harness...
  • Page 70 (5) Remove the heat conductive sheet B and heat conductive sheet A from the main PCB ASSY. Heat conductive sheet B Heat conductive sheet A Main PCB ASSY Fig. 3-22 Assembling Note: • Attach the heat conductive sheet A and heat conductive sheet B in the red frame described in the figure above.

  • Page 71: Front Cover L/R

    Front cover L/R (1) Release the hook of the front cover L, and remove the front cover L from the machine. Front cover L Slit Hook Fig. 3-23 Assembling Note: • When assembling the front cover L, engage the slit of the front cover L with the rib of the machine.
  • Page 72 (2) Release the hook of the front cover R, and remove the front cover R from the machine. Slit Front cover R Hook Fig. 3-24 Assembling Note: • When assembling the front cover R, engage the slit of the front cover R with the rib of the machine.

  • Page 73: Front Cover Assy

    Front cover ASSY (1) Release all the panel unit harnesses from the securing fixtures. (2) Push the release button, and open the front cover ASSY. (3) Remove the two bosses, and remove the front cover ASSY from the machine. Release button Boss Front cover ASSY Boss...

  • Page 74: Panel Unit / Panel Flat Cable / Key Pcb Assy / Rubber Key

    Panel unit / Panel flat cable / Key PCB ASSY / Rubber key (1) Remove the two taptite cup B M2.6x10 (BK) screws. (2) Release the four tabs to lift the front cover ASSY. Slide the panel unit in the direction of the arrow to release the four hooks, and remove the panel unit from the front cover ASSY.
  • Page 75 (3) Release the panel flat cable from the securing fixtures and disconnect it from the key PCB ASSY. (4) Remove the six taptite cup B M2.6x10 (BK) screws to remove the back up plate base, key PCB ASSY, rubber key and address label from the panel unit. Taptite cup B M2.6x10 (BK) Panel flat cable Key PCB ASSY...

  • Page 76: Second Side Cis Unit / Second Side Cis Flat Cable / Flat Cable Support Film

    9.10 Second side CIS unit / Second side CIS flat cable / Flat cable support film (1) Push the two ribs outwards to remove the second side CIS unit from the front cover ASSY. Disconnect the second side CIS flat cable from the second side CIS unit. (2) Remove the second side CIS spring from the machine.
  • Page 77 (3) Remove the flat cable support film from the front cover ASSY. Assembling Note: • Flat cable support film should not be reused as its double-sided tape looses the adhesive force once it is removed. Replace it with a new one. (4) Remove the second side CIS flat cable from the front cover ASSY.

  • Page 78: Eject Jam Sensor Pcb

    9.11 Eject jam sensor PCB (1) Release the paper feed / eject jam sensor harness from the securing fixtures. Release the hook to remove the eject jam sensor PCB from the sensor holder C. (2) Remove the two screw cup M3x6 screws, and remove the FG harness, FG spring A, and FG spring B from the EJ pinch roller support plate.

  • Page 79: Document Scanning Position Sensor Pcb

    9.12 Document scanning position sensor PCB (1) Remove the guide film from the front cover ASSY. Assembling Note: • Guide film should not be reused as its double-sided tape looses the adhesive force once it is removed. Replace it with a new one. (2) Remove the two screw cup M3x6 screws.
  • Page 80 (3) Remove the taptite bind B M3x8 screw and screw cup M3x6 screw. Lift the FG spring. Slide the pinch roller support in the direction of the arrow a to release it from the ribs, and remove it from the front cover ASSY in the direction of the arrow b. Remove the spring A and two springs B.
  • Page 81 (4) Release the document scanning position sensor harness from the securing fixtures. Release the hook to remove the document scanning position sensor PCB from the front cover ASSY. (5) Disconnect the document scanning position sensor harness from the document scanning position sensor PCB.

  • Page 82: Paper Feed Jam Sensor Pcb / Multi Feeding Sensor Pcb Assy (Sent)

    9.13 Paper feed jam sensor PCB / Multi feeding sensor PCB ASSY (Sent) (1) Release the hook to remove the paper feed jam sensor PCB from the document scanning position actuator holder. Paper feed jam sensor PCB Hook Document scanning position actuator holder Fig.
  • Page 83 (2) Remove the two taptite bind B M3x8 screws, and remove the document scanning position actuator holder from the front cover ASSY. (3) Release the multi feeding sensor harness from the securing fixtures, and remove the multi feeding sensor PCB ASSY (Sent) from the front cover ASSY. Taptite bind B M3x8 Document scanning position...

  • Page 84: Document Detection Sensor Pcb Assy

    9.14 Document detection sensor PCB ASSY (1) Remove the two taptite bind B M3x8 screws, and remove the PF pinch roller holder from the front cover ASSY. (2) Release the document detection sensor harness from the securing fixtures. Release the hook to remove the document detection sensor PCB ASSY from the front cover ASSY.

  • Page 85: First Side Cis Unit / First Side Cis Flat Cable

    9.15 First side CIS unit / First side CIS flat cable (1) Release the hook to remove the first side CIS unit from the machine. (2) Disconnect the first side CIS flat cable from the first side CIS unit. Hook First side CIS unit First side CIS flat cable Fig.
  • Page 86 (3) Release the hook to remove the core from the machine. Remove the core from the first side CIS flat cable. Core Hook First side CIS flat cable Fig. 3-40 HARNESS ROUTING: Refer to “1. Main PCB ASSY”. Assembling Note: •...

  • Page 87: Front Cover Sensor

    9.16 Front cover sensor (1) Release the front cover sensor harness from the securing fixtures. Remove the taptite bind B M3x8 screw, and remove the front cover sensor holder from the machine. (2) Release the two hooks to remove the front cover sensor from the front cover sensor holder. Front cover sensor harness Hook...

  • Page 88: Feed Belt / Feed Motor

    9.17 Feed belt / Feed motor (1) Release the feed motor harness, paper feed motor harness and multi feeding sensor harness from the securing fixtures of the lower frame. (2) Remove the four taptite cup B M3x10 screws, and remove the lower frame from the machine.
  • Page 89 (3) Loosen the screw cup M3x6 screw to eliminate the tension on the tension pulley. (4) Remove the feed belt. (5) Remove the two screw bind M3x6 screws, and remove the feed motor from the machine. Feed motor Screw cup M3x6 Feed belt Screw bind Tension pulley...

  • Page 90: Paper Feed Belt / Paper Feed Motor

    9.18 Paper feed belt / Paper feed motor (1) Release the paper feed motor harness from the securing fixtures. (2) Remove the three taptite bind B M4x10 screws. Lift the plate and FG spring, then remove the paper feed motor unit from the machine. Taptite bind B M4x10 Plate FG spring...
  • Page 91 (3) Remove the retaining ring E, and remove the gear. (4) Remove the paper feed belt from the paper feed motor unit. (5) Remove the two screw bind M3x6 screws, and remove the paper feed motor from the paper feed motor unit. Paper feed motor Paper feed belt Screw bind M3x6...

  • Page 92: Multi Feeding Sensor Pcb Assy (Receive)

    9.19 Multi feeding sensor PCB ASSY (Receive) (1) Remove the taptite bind B M3x8 screw, and remove the multi feeding sensor harness guide from the machine. (2) Open the multi feeding sensor harness guide, and remove it from the multi feeding sensor harness. Multi feeding sensor harness guide Taptite bind B M3x8 Multi feeding sensor...
  • Page 93 (3) Remove the two taptite bind B M3x8 screws. Lift the plate, then remove the multi feeding sensor shield plate and multi feeding sensor PCB ASSY (Receive) from the machine. Taptite bind B M3x8 Plate Multi feeding sensor shield plate Multi feeding sensor PCB ASSY (Receive) Fig.

  • Page 94: Chapter 4 Adjusting And Updating Settings As Required After Parts Replacement

    $ : Alphabetic character representing the revision version of the firmware (7) Country code setting exe file Copy this file into the temporary folder created on the C drive. (8) Brother Utilities (Install the product driver.) (9) Sheet for multi feeding sensor threshold setting (LD6340001) (10) Multi feeding sensor threshold setting tool (brADSmt1.exe)

  • Page 95: Installing Firmware

    (2) Connect the machine to your computer using the USB cable in the ready state. (3) Start the Brother Utilities. (4) Select the appropriate product. If the appropriate product is not displayed, you need to install the product scanner driver for the product.
  • Page 96 (6) Click the [Machine Info.]. The firmware version is displayed. Confidential...

  • Page 97: Installing Firmware

    1.1.2 Installing firmware Firmware installation using USB flash memory (1) Create and save a file for automatic firmware update (file name: "_@$UPD$OP0.8080") under the USB flash memory. (2) Create the "FIRM" folder under the USB flash memory, and save the main firmware file (ex: LZXXXX_$.djf) in the "FIRM"...
  • Page 98 (5) Open the temporary folder and double-click "Filedg32.exe" to start it, and select the "Brother Maintenance USB Printer". (6) Drag and drop the firmware (LZXXXX_$.djf) in the same folder onto the "Brother Maintenance USB Printer" icon. The firmware file is loaded to the machine, and installing to the flash ROM starts.

  • Page 99: Setting By Country

    (3) Connect the computer to the machine with the USB cable. (4) Turn ON the power switch of the computer. (5) Check that the "Brother Maintenance USB Printer" is set as a default printer. If not, set it as a default printer.

  • Page 100: Setting Serial Number

    "B" circled in red. (5) In the [Port] field, select the port number assigned to the Brother Maintenance USB Printer. (6) Enter the serial number (15 digits) of the machine in the [Serial No] field, and click the [OK] button.
  • Page 101 How to check serial number (1) Connect the machine to your computer using the USB cable in the ready state. (2) Start the Brother Utilities. (3) Select the appropriate product. (4) Click the [Tools], and click the [Remote Setup]. Confidential...
  • Page 102 (5) Click the [Machine Info.]. The serial number of the product appears. Note: • If the serial number has not been overwritten, refer to “1.4 Activating Memory Writing” and perform the procedures. Confidential...

  • Page 103: Setting Multi Feeding Sensor Threshold

    Setting Multi Feeding Sensor Threshold (1) Press and hold the [X] and [to USB] keys simultaneously, and plug the AC power cord into the outlet. Check that the Power LED and the Error LED are lit, and release these two keys. (2) Press the [X], [to USB], [to PC], and [X] keys in this order.

  • Page 104: Check Sensor Operation

    (9) Click the [Yes] button. The multi feeding sensor threshold is calculated and stored in the EEPROM of the main PCB. When the setting is completed normally, "OK" is displayed on the screen. If any error is detected during setting, "ERROR" is displayed on the screen. (10) Unplug the AC power cord of the machine.

  • Page 105: Check Multi Feeding Operation

    Check Multi Feeding Operation (1) Set the document for multi feeding sensor threshold setting in the ADF unit. (2) In function number selection mode of maintenance mode, press the [to USB] key four times. The Power LED and the to USB LED light. (3) Press the [X] key.

  • Page 106: Resetting To Factory Shipping State

    (3) Connect the computer to the machine with the USB cable. (4) Turn ON the power switch of the computer. (5) Check that the "Brother Maintenance USB Printer" is set as a default printer. If not, set it as a default printer.

  • Page 107: If You Replace The Cis Unit

    2. IF YOU REPLACE THE CIS UNIT <What to do after replacement> • Acquire white level data and set CIS scan area • Check multi feeding operation • Checking operation after repair  What you need to prepare (1) Calibration sheet (LD1914001) (2) USB flash memory (3) Scan limit sample (4) Test chart DS-001 (LD1625001)

  • Page 108: Check Multi Feeding Operation

    Check Multi Feeding Operation (1) Set the document for multi feeding sensor threshold setting in the ADF unit. (2) In function number selection mode of maintenance mode, press the [to USB] key four times. The Power LED and the to USB LED light. (3) Press the [X] key.
  • Page 109 (8) When the screen on the right appears, press the [Start] button to start scanning. (9) After the scanning, compare the scanned data on the test chart which framed red in the figure below with the ones in the limit sample. If the result is worse than the limit sample, perform procedures in "Acquire white level data and set CIS scan area"...

  • Page 110: If You Replace The Multi Feeding Sensor

    3. IF YOU REPLACE THE MULTI FEEDING SENSOR <What to do after replacement> • Setting multi feeding sensor threshold • Checking multi feeding function  What you need to prepare (1) Sheet for multi feeding sensor threshold setting (LD6340001) (2) Multi feeding sensor threshold setting tool (brADSmt1.exe) Copy this file into the temporary folder created on the C drive.

  • Page 111: Checking Multi Feeding Sensor Operation

    (6) Select the model name in the [Select model:] box, and click the [Start] button. The multi feeding sensor threshold is set. (7) Set the sheet for multi feeding sensor threshold setting in the ADF, and execute the maintenance mode function "Check ADF". Refer to "1.3.3 Check ADF"...

  • Page 112: If You Replace The Pick Up Roller / Reverse Roller

    4. IF YOU REPLACE THE PICK UP ROLLER / REVERSE ROLLER <What to do after replacement> • Resetting pick up roller / reverse roller counters Resetting Pick Up Roller / Reverse Roller Counters Refer to the User's Guide to reset the pick up roller or reverse roller counters. 4-19 Confidential...

  • Page 113: Chapter 5 Service Functions

    CHAPTER 5 SERVICE FUNCTIONS 1. MAINTENANCE MODE Maintenance mode is exclusively designed for checking and setting the machine using the keys on the control panel. How to Enter Maintenance Mode 1.1.1 Method of entering maintenance mode for service personnel <Operating Procedure> (1) Press and hold the [X] and [to USB] keys simultaneously, and plug the AC power cord into the outlet.

  • Page 114: List Of Maintenance Mode Functions

    List of Maintenance Mode Functions Function number Function Refer to: (binary number) 0001 Change USB No. return value 0010 Factory use (disabled) 0011 Initialize user setting 0100 Check ADF 0101 Check sensor operation 0110 Acquire white level data and set CIS scan area 1111 Output NetConfig data to USB flash memory * The maintenance mode functions shaded in the table can be used by end users.

  • Page 115: Details Of Maintenance Mode Functions

    Details of Maintenance Mode Functions 1.3.1 Change USB No. return value (End-user accessible maintenance mode only) <Function> ® When the operating system (OS) installed on the computer is Windows Vista , and the machine is connected to this computer using USB2.0FULL, the OS may not be able to obtain the USB device serial number depending on the computer and the USB device.

  • Page 116: Check Sensor Operation

    1.3.4 Check sensor operation <Function> This function is used to check whether the sensors are operating normally. <Operation Procedure> (1) In function number selection mode of maintenance mode, press the [to USB] key five times. The Power LED and the to USB LED light. (2) Press the [X] key.
  • Page 117 (3) Close the front cover. (4) Press and hold the [X] and [to USB] keys simultaneously, and plug the AC power cord into the outlet. Check that the Power LED and the Error LED are lit, and release these two keys. (5) Press the [X], [to USB], [to PC], and [X] keys in this order.

  • Page 118: Save Netconfig Data

    Cause Remedy Dirt on the second side Clean the second side CIS, calibration sheet, CIS or calibration or gray tape sheet. Or replace the (detected that the data second side CIS. acquired on the second side CIS was out of normal range) Dirt on the first side Clean the first side CIS...

  • Page 119: Chapter 6 Wiring Diagram

    CHAPTER 6 WIRING DIAGRAM 1. WIRING DIAGRAM CN14 18 Panel PCB ONOFF KEY1 POWER_LED LED1 6 CN7 Document scanning ERROR_LED LED_3.3V KEY2 SGND position sensor SEN_REAR LED2 LED_VCC Document detection KEY6 SGND sensor KEY3 SEN_FRONT LED5 LED3 Duplex Scanning Speed 100 ipm model only KEY5 KEY4 6 CN3...

  • Page 120: Chapter 7 Periodical Maintenance

    CHAPTER 7 PERIODICAL MAINTENANCE 1. PERIODICAL MAINTENANCE PARTS There are no parts that must be replaced periodically. Confidential...

  • Page 121: Appendix 1 Serial Numbering System

    APPENDIX 1 SERIAL NUMBERING SYSTEM  Serial number label (1 location) <How to Read> Serial number Product identification Serial number (6-digit) code Manufacturing factory No. Year of manufacture 5: 2015 6: 2016 Month of manufacture : January : May : September : February : June : October...

  • Page 122: Appendix 2 Deleting User Setting Information

    APPENDIX 2 DELETING USER SETTING INFORMATION Initializes setting values registered in EEPROM including operation parameter and user switch. <Operation Procedure> (1) In function number selection mode of maintenance mode, press the [to USB] key three times. The to PC LED and the to USB LED light. (2) Press the [X] key.

  • Page 123: Appendix 3 Installing The Maintenance Printer Driver

    APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER To identify multiple terminals connected to the computer via USB, the computer needs to configure the corresponding number of virtual USB devices using a driver or software. If you connect multiple machines to your computer, the same number of virtual USB devices will be automatically configured on your computer.

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