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Brother ADS-2000 Service Manual

Advanced document scanner.
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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.
Mar., 2012
SM-PT045
SERVICE MANUAL
MODEL:
ADS-2000/2100
Confidential

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Chapters

Troubleshooting

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   Summary of Contents for Brother ADS-2000

  • Page 1

    Brother Advanced Document Scanner SERVICE MANUAL MODEL: ADS-2000/2100 Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. Mar., 2012 SM-PT045 Confidential...

  • Page 2

    © Copyright Brother 2012 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

    Each company whose software title is mentioned in this manual has a Software License Agreement specific to its proprietary programs. Any trade names and product names of companies appearing on Brother products, related documents and any other materials are all trademarks or registered trademarks of those respective companies.

  • Page 4: Table Of Contents

    CONTENTS REGULATION ......................v SAFETY INFORMATION................... ix CHAPTER 1 SPECIFICATIONS 1. SPECIFICATIONS LIST ....................... 1-1 General ..........................1-1 Network Connectivity ......................1-3 Service Information......................1-3 Paper ........................... 1-4 1.4.1 Paper handling ...................... 1-4 1.4.2 Media specifications ....................1-4 Scanner ..........................1-5 CHAPTER 2 TROUBLESHOOTING 1.

  • Page 5

    4.1.6 The first side or second side CIS flat cable is not connected correctly....2-15 4.1.7 An error occurred during access to the DRAM in the main PCB ASSY. Program error An error occurred in the ROM checksum. Write error in the EEPROM of the main PCB............2-15 4.1.8 The country code was not entered correctly.

  • Page 6

    5. LUBRICATION ..........................3-5 6. OVERVIEW OF GEARS....................... 3-6 7. HARNESS ROUTING........................3-7 8. DISASSEMBLY FLOW CHART....................3-10 9. DISASSEMBLY PROCEDURE ....................3-11 Preparation ........................3-11 Separation pad ASSY......................3-12 Pick-up roller ASSY ......................3-14 Output tray ......................... 3-15 Side cover L........................3-16 Side cover R ........................

  • Page 7

    Setting Double Feeding Sensor Threshold................4-6 Checking Operation after Repair ..................4-7 2. IF YOU REPLACE THE CIS UNIT ....................4-8 Acquiring White Level Data ....................4-8 Checking Operation after Repair ..................4-8 3. IF YOU REPLACE THE DOUBLE FEEDING SENSOR .............. 4-9 Setting Double Feeding Sensor Threshold................

  • Page 8: Regulation

    REGULATION Declaration of Conformity (Europe only) We, Brother Industries, Ltd. of 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561 Japan declare that this product is in compliance with the essential requirements of Directives 2004/108/EC, 2006/95/EC and 2009/125/EC. The Declaration of Conformity (DoC) is available on our Website.

  • Page 9

    LAN Connection (Network models only) CAUTION DO NOT connect this product to a LAN connection that is subject to over-voltages. Radio Interference This product complies with EN55022 (CISPR Publication 22)/Class B. Recycling Information in accordance with the WEEE (2002/96/EC) and Battery (2006/66/EC) Directives Product mark Battery mark...

  • Page 10

    This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. Important • Changes or modifications not expressly approved by Brother Industries, Ltd. could void the user’s authority to operate the equipment. • A shielded interface cable should be used to ensure compliance with the limits for a Class B digital device.

  • Page 11

    Industry Canada Compliance Statement (Canada only) This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device.

  • Page 12: 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 13

    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 ELECTRICAL HAZARDS Failure to follow the warnings in this section may create the risk of an electrical shock.

  • Page 14

    • DO NOT place this machine in a position where the cord is stretched or strain is otherwise put on the cord, as it may become worn or fray. • Brother strongly recommends that you DO NOT use any type of extension cord. Confidential...

  • Page 15: Chapter 1 Specifications

    CHAPTER SPECIFICATIONS Confidential...

  • Page 16

    CHAPTER 1 SPECIFICATIONS This chapter lists the specifications of each model. CONTENTS 1. SPECIFICATIONS LIST ....................1-1 1.1 General........................1-1 1.2 Network Connectivity..................... 1-3 1.3 Service Information....................1-3 1.4 Paper ........................1-4 1.4.1 Paper handling ................... 1-4 1.4.2 Media specifications ................... 1-4 1.5 Scanner .........................

  • Page 17: Specifications List

    1. SPECIFICATIONS LIST General Model ADS-2000 ADS-2100 Scanning Method Dual CIS Resolution From ADF Max 600 x 600 dpi (Optical) Resolution (Interpolated) Max 1200 x 1200 dpi Scanning One-sided 24 ppm (2.5 seconds (A4/LTR)) Speed Monochlome One-sided 24 ppm (2.5 seconds (A4/LTR))

  • Page 18: Computer Requirements

    <Computer requirements> Hard Disk Space Processor Recom- Supported to install Computer Platform & Minimum Minimum mended Operating System Version Speed Interface Drivers Applications ® ® ® Windows Windows Intel 128 MB 256 MB 150 MB 1.5 GB ® Operating Home (SP2 or Pentium System greater)

  • Page 19: Network Connectivity

    Network Connectivity Model ADS-2000 ADS-2100 Wired Network node network type Network type Network security Wireless Network node network type Network type Communication mode Network security Specifications are subject to change without notice. Service Information Part Approximate Life (pages) Machine life...

  • Page 20: Paper

    Paper 1.4.1 Paper handling Model ADS-2000 ADS-2100 ADF Input 50 sheets ADF Output 50 sheets Duplex (Scan) Specifications are subject to change without notice. 1.4.2 Media specifications Model ADS-2000 ADS-2100 Paper Plain Paper,Thin Paper, Thick Paper, Thicker Paper, Recycled Input...

  • Page 21: Scanner

    XP in this Service Manual includes Windows 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://solutions.brother.com/. Specifications are subject to change without notice. Confidential...

  • Page 22: Chapter 2 Troubleshooting

    CHAPTER TROUBLESHOOTING Confidential...

  • Page 23

    CHAPTER 2 TROUBLESHOOTING This chapter details error messages and codes which the incorporated self-diagnostic function of the machine will display if any error or malfunction occurs. If any error message appears, refer to this chapter to find which parts should be checked or replaced. The latter half of this chapter provides sample problems which could occur in the main sections of the machine and related troubleshooting procedures.

  • Page 24

    4.1.9 The page counter for the separation pad has reached the limit. The page counters for both the separation pad and the pick-up roller have reached the limit. The page counter for the pick-up roller has reached the limit....2-16 4.1.10 The front cover sensor detected an open front cover in the ready state.

  • Page 25: Introduction

    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 26: 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 27: Overview

    2. OVERVIEW Cross-section Drawing Document detection actuator Separation pad Front cover sensor Double feeding sensor (Sent) Pick-up roller Document scanning position actuator Top cover sensor Second side CIS unit Eject roller First side CIS unit Feed roller Double feeding sensor (Receive) Fig.

  • Page 28: Paper Feeding

    Paper Feeding Feed path Fig. 2-2 Confidential...

  • Page 29: Operation Of Each Part

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

  • Page 30: Block Diagram

    Block Diagram Panel PCB Document Document scanning detection sensor position sensor Double feeding ERROR LED Top cover sensor sensor (Sent) POWER LED First side Main PCB USB host PCB CIS unit Second side Front cover CIS unit sensor Double feeding Main motor sensor (Receive) Inlet...

  • Page 31: Main Components

    Main Components Top cover Front cover Document Upper chute detection actuator earth spring Top cover Rubber key actuator spring Document detection Double feeding actuator spring sensor (Sent) Document scanning position actuator Top cover actuator LED guides Cover open lever Top cover sensor shaft Document scanning position actuator...

  • Page 32: 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 33: The Scanned Data Has Exceeded The Built-in Memory Capacity

    Type of problem Error codes Refer to: The scanned data has exceeded the built-in memory capacity. 2-15 The first side or second side CIS flat cable is not connected correctly. (This problem occurs only in maintenance mode.) 2-15 An error occurred during access to the DRAM in the main PCB ASSY.

  • Page 34

    Type of problem Error codes Refer to: The country code was not entered correctly. 2-15 The page counter for the separation pad has reached the limit. 2-16 The page counters for both the separation pad and the pick-up roller have reached the limit. 2-16 The page counter for the pick-up roller has reached the limit.

  • Page 35: Write Error In The Eeprom Of The Main Pcb

    Type of problem Error codes Refer to: A USB device not within the specifications is connected to the USB terminal, resulting in overcurrent. 2-15 The front cover sensor detected an open front cover during scanning. 2-16 When all LEDs are flashing, press either start button ([Scan to PC] or [Scan to USB]), and the LED display changes according to the error cause as described below.

  • Page 36

    Error Type of problem Refer to: codes When the [Scan to PC] Color parameter in button is pressed the ROM does not match the first side or second side CIS unit. 2-16 When the [Scan to USB] button is pressed When the [Scan to PC] A scanning error button is pressed...

  • Page 37: The Country Code Was Not Entered Correctly

    Status Error Messages Error Refer Error message Description codes Cover is Open The front cover sensor detected an open front cover. 2-16 Document Jam The document scanning position sensor detected that 2-14 the document length was 40 cm or more. The document scanning position sensor has not detected the top of the document even after the 2-14...

  • Page 38: Troubleshooting

    4. TROUBLESHOOTING Troubleshooting for Error Display 4.1.1 The double feeding sensor detected multiple documents. <User Check> - Check that the paper used for the document is within the standard. Step Cause Remedy Incorrect parameter setting for Set the parameter for the double feeding the double feeding sensor sensor correctly.

  • Page 39: A Non-supported Usb Device Is Connected To The Usb Terminal

    4.1.4 A non-supported USB device is connected to the USB terminal. A USB device with a built-in hub is connected to the USB terminal. A USB device not within the specifications is connected to the USB terminal, resulting in overcurrent. <User Check>...

  • Page 40: The Page Counter For The Separation Pad Has Reached The Limit

    4.1.9 The page counter for the separation pad has reached the limit. The page counters for both the separation pad and the pick-up roller have reached the limit. The page counter for the pick-up roller has reached the limit. <User Check> - Replace the pick-up roller.

  • Page 41: 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 Fig. 2-5 4.2.2 Troubleshooting according to image defect Light <User Check> - Check that the contrast setting is not too light. - Clean the CIS glass.

  • Page 42

    Faulty registration Step Cause Remedy Document scanning position Reattach the document scanning position actuator caught in a section 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 "Acquire white level data and set CIS scan...

  • Page 43

    Vertical streaks <User Check> - Clean the CIS glass. - Clean the document pressure bar. 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> - Clean the CIS glass.

  • Page 44: Troubleshooting For Document Paper Feeding Problems

    Troubleshooting for Document Paper Feeding Problems 4.3.1 Multiple documents are fed <User Check> - Check that paper used for the document is not thinner than the standard. If it is too thin, use a carrier sheet. - Check that the document is not damp. If it is damp, dry it or use a carrier sheet. - Check that the machine is not scanning a glossy paper used in magazines and others.

  • Page 45: Document Becomes Jammed

    4.3.3 Document becomes jammed <User Check> - Check that the document size is within the standard. If it is too small, use a carrier sheet. - Check that the document is not wrinkled. If wrinkled, use a carrier sheet. - Check that the document is not torn. If torn, use a carrier sheet. - Check that the front cover is closed correctly.

  • Page 46: Document Is Not Picked Up And Fed

    4.3.4 Document is not picked up and fed <User Check> - Check that paper used for the document is not thinner than the standard. If it is too thin, use a carrier sheet. - Check that the front cover is closed correctly. - Check that the separation pad cover is closed correctly.

  • Page 47: 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 48: 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 cord is connected correctly. Step Cause Remedy AC cord failure Replace the AC cord. Connection failure of the panel PCB Reconnect the panel PCB harness. harness Connection failure of the top cover Reconnect the top cover sensor harness.

  • Page 49: Troubleshooting For Other Problems

    Troubleshooting for Other Problems 4.6.1 Machine is not turned ON <User Check> - Connect the AC cord correctly. Step Cause Remedy Connection failure of the panel PCB Reconnect the panel PCB harness. harness Connection failure of the top cover Reconnect the top cover sensor harness. sensor harness Top cover sensor failure Replace the top cover sensor ASSY.

  • Page 50

    CHAPTER DISASSEMBLY/REASSEMBLY Confidential...

  • Page 51

    CHAPTER 3 DISASSEMBLY/REASSEMBLY This chapter describes procedures for disassembling and reassembling the machine with relates notes. The provided disassembly order flow enables you to take in the disassembly procedure of related part at a glance. At the start of disassembling, you can check the disassembly order flow which guides you through a shortcut to get to the part.

  • Page 52

    9.20 Double feeding sensor PCB ASSY (Receive)............3-38 9.21 First side CIS unit...................... 3-39 9.22 One way clutch ......................3-40 Confidential...

  • Page 53: Safety Precautions

    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 54: Packing

    2. PACKING Confidential...

  • Page 55: Screw Catalogue

    3. SCREW CATALOGUE Screw pan (S/P washer) Taptite bind B Screw pan (S/P washer) Taptite bind B M3x10 M3x6DA Taptite bind B Screw pan (S/P washer) M3.5x6 M4x12 Taptite cup B Taptite cup B M3x10 Taptite cup S Taptite cup S M3x6 Confidential...

  • Page 56: Screw Torque List

    4. SCREW TORQUE LIST Note: • For verifying the shape of each screw, refer to "3. SCREW CATALOGUE" in this chapter. Tightening Location of screw Screw type Q'ty torque N · m (kgf · cm) Bottom cover Taptite cup B M3x10 0.5±0.1 (5±1) Side cover L Taptite cup B M3x10...

  • Page 57: Lubrication

    5. LUBRICATION Lubrication oil type Lubrication point Quantity of lubrication (Maker name) FLOIL GE-676 (Kanto Kasei) One way clutch 1 place 1.5 mm dia. ball One way clutch Fig. 3-1 Confidential...

  • Page 58: Overview Of Gears

    6. OVERVIEW OF GEARS One way clutch Gear 60/20 LD6056 LD6054 Feed roller gear LD6070 Gear 67 LD6053 Pick-up roller gear LD6070 Gear 20/50 Gear 40/24 LD6051 LD6052 * These parts are subject to change without notice. Fig. 3-2 Confidential...

  • Page 59: Harness Routing

    7. HARNESS ROUTING Main PCB ASSY Double feeding sensor harness Second side CIS flat cable (receive) (RD, WH, BK, NB) USB host PCB harness First side CIS flat cable (GN, RD, WH, BK, YG) Front cover sensor harness (WH) Power supply PCB harness (WH) Earth harness (GN) Main motor...

  • Page 60

    Panel PCB ASSY Double feeding sensor harness Document detection sensor (Sent) (WH) harness (WH) Panel PCB harness (WH) Top cover sensor harness (WH) Document scanning Earth harness position sensor (BK) harness (WH) Earth harness (GN) Frame R Front cover sensor Core Guide Double feeding sensor harness...

  • Page 61

    Power supply unit Power supply harness holder Power harness (BL, BR) Power supply PCB ASSY Harness colors may be changed for any reason. Confidential...

  • Page 62: Disassembly Flow Chart

    8. DISASSEMBLY FLOW CHART Disassembly / Re-Assembly (second) 9.2 Separation 9.3 Pick-up roller 9.12 Separation 9.13 Second side 9.14 Top cover arm / Separation ASSY pad ASSY CIS unit 20/20 spring 10/10 10/10 5/10 9.14 Document guide LS / Document guide RS 9.4 Output tray 15/15...

  • Page 63: Disassembly Procedure

    9. DISASSEMBLY PROCEDURE Preparation Disconnecting Cables and Removing Accessories Prior to proceeding with the disassembly procedure, (1) Disconnect the following: • AC cord • USB cable (if connected) USB cable AC cord Fig. 3-3 3-11 Confidential...

  • Page 64: Separation Pad Assy

    Separation pad ASSY (1) Open the top cover, and push the cover release lever to open the front cover. (2) Push the two hooks on the separation pad cover inward to open it. Hooks Front cover Separation pad cover Top cover Cover release lever Fig.

  • Page 65

    (3) Push the two hooks on the separation arm inward to open the separation arm, and remove the separation spring from the front cover. Note: • Be careful not to damage the separation arm by opening it too much. • Do not close the front cover when the separation arm is opened to prevent the separation arm to be damaged.

  • Page 66: Pick-up Roller Assy

    Pick-up roller ASSY (1) Slide the document guide L and R outward. (2) Push the two hooks inward to open the separation roller cover ASSY. Slide the separation roller cover ASSY in the direction of arrow 2a to remove the boss A, and in the direction of 2b to remove the boss B.

  • Page 67: Output Tray

    Output tray (1) Turn over the machine to pull out the output tray. Note: • When turning over the machine, spread a sheet to prevent top cover to be scratched. (2) Remove the four taptite cup B M3x10 screws, and remove the bottom cover from the machine.

  • Page 68: Side Cover L

    Side cover L (1) Turn over the machine and open the top cover. Push the cover release lever to open the front cover. (2) Remove the taptite cup B M3x10 screw, and release the hook A to open the bottom. Release the remaining four hooks by swinging the side cover L in the direction of the arrow, and remove the side cover L from the machine.

  • Page 69: Main Pcb Assy

    Main PCB ASSY (1) Turn over the machine. Remove the two taptite cup S M3x6 screws, and remove the earth harness (GN) and the main PCB shield plate. Note: • When turning over the machine, spread a sheet to prevent top cover to be scratched.

  • Page 70

    (2) Disconnect all harnesses and flat cables connected to the main PCB ASSY. Power supply PCB harness Main PCB ASSY Main motor harness Panel PCB harness Front cover sensor harness USB host Second side Double feeding sensor First side CIS PCB harness CIS flat cable harness (Receive)

  • Page 71: Usb Host Pcb Assy

    USB host PCB ASSY (1) Remove the taptite bind B M3x10 screw, and remove the earth harness (BK). (2) Release the USB host PCB harness, the earth harness (BK), the double feeding sensor harness (Receive), and the front cover sensor harness from the securing fixtures. (3) Remove the two taptite bind B M4x12 screws.

  • Page 72: Front Cover L/r

    Front cover L/R (1) Slide the front cover L in the direction of arrow 1a. Engage the rib on the front cover L with the notch on the machine to pull out and remove the front cover L from the machine in the direction of arrow 1b.

  • Page 73: Panel Assy

    9.10 Panel ASSY (1) Remove the taptite bind B M3x10 screw, then remove the earth harness (YW). (2) Release the hook to disconnect the core of the second side CIS flat cable from the machine, then release the second side CIS flat cable, the panel PCB harness, the earth harness (GN), and the earth harness (YW) from the securing fixtures.

  • Page 74

    (6) Remove the two taptite bind B M3x10 screws, and release the four hooks. Slide the panel ASSY in the direction of the arrow and release the six tabs from the upper chute. Taptite bind B M3x10 Upper chute Tabs Tabs Hooks Panel ASSY...

  • Page 75: Panel Pcb Assy / Rubber Key / Top Cover Sensor / Top Cover Actuator

    9.11 Panel PCB ASSY / Rubber key / Top cover sensor / Top cover actuator (1) Pull out the top cover sensor harness from the panel PCB ASSY, and release it from the securing fixtures. (2) Remove the taptite bind B M3x10 screw, and remove the top cover sensor holder from the panel ASSY.

  • Page 76: Document Detection Sensor Pcb / Document Detection Actuator / Document Scanning Position Sensor Pcb / Document Scanning Position Actuator / Double Feeding Sensor (sent) / Separation Pad Assy

    9.12 Document detection sensor PCB / Document detection actuator / Document scanning position sensor PCB / Document scanning position actuator / Double feeding sensor (Sent) / Separation pad ASSY (1) Disconnect the document detection sensor harness, the document scanning position sensor harness, and the double feeding sensor harness (Sent) from the upper chute film, and release the upper chute film from the two hooks on the upper chute.

  • Page 77

    (6) Remove the taptite cup S M3x6 screw, and lift the upper chute earth spring. (7) Push the two hooks on the upper chute outward, and remove the cover open lever shaft from the upper chute. (8) Remove the upper chute earth spring from the upper chute. (9) Remove the two taptite bind B M3x10 screws, and remove the double feeding sensor holder from the upper chute.

  • Page 78

    (11) Push the two hooks on the separation pad cover inward to open the separation pad cover. (12) Engage the separation pad cover with the groove on the upper chute, and slide it in the direction of arrow 12b while pulling its shaft in the direction of arrow 12a using spring peg and other tools.

  • Page 79

    (14) Release the hook, then remove the document detection actuator and the document detection actuator spring. (15) Remove the document detection actuator spring from the document detection actuator. (16) Remove the two taptite bind B M3x10 screws. Then release the earth harness (GR) and the pinch roller support plate from the upper chute to release the earth harness (GR) from the securing fixtures.

  • Page 80

    (19) Remove the double feeding sensor earth spring from the upper chute. (20) Remove the two pinch roller springs to remove the pinch roller shaft from the upper chute. Pinch roller shaft Pinch roller spring Pinch roller spring Double feeding sensor earth spring Upper chute Fig.

  • Page 81: Second Side Cis Unit

    9.13 Second side CIS unit (1) Turn over the upper chute. (2) Release the two hooks, lift the second side CIS unit, and pull out the second side CIS flat cable from it. (3) Pull out the second side CIS flat cable from the hole on the upper chute. (4) Remove the CIS spring from the upper chute.

  • Page 82: Top Cover / Document Guide Ls / Document Guide Rs

    9.14 Top cover / Document guide LS / Document guide RS (1) Slide the document guide L and R inward. (2) Remove the boss on the left side of the top cover, the hook on the document guide L, the hook on the document guide R, and the boss on the right side of the top cover in this order, then remove the top cover from the machine.

  • Page 83: Back Cover S

    9.15 Back cover S (1) Push both arms of the back cover S outward to remove them from the both bosses, and remove the back cover S from the machine. (2) Remove the back cover S spring from the back cover S. Back cover S Boss Back cover S spring...

  • Page 84: Back Cover

    9.16 Back cover (1) Remove the four taptite cup B M3x10 screws, and release the two hooks A to open the bottom. Then release the upper three hooks from the three ribs to remove the back cover from the machine. (2) Remove the taptite cup B M3x10 screw, and remove the security slot earth plate from the back cover.

  • Page 85: Power Supply Pcb Assy

    9.17 Power supply PCB ASSY (1) Turn over the machine to remove the main PCB shield frame and the USB earth plate from Main PCB shield frame Hook Main PCB shield frame USB earth plate Hook Fig. 3-32 Assembling Note: •...

  • Page 86

    (2) Disconnect the power supply PCB harness from the guide behind the machine, and pull it out from the hole. (3) Remove the screw pan (S/P washer) M3.5x6 screw and the four taptite bind B M3x10 screws to remove the power supply earth harness, the main PCB earth plate, and the power supply unit from the machine.

  • Page 87

    (4) Remove the power supply harness guide while pushing the hook. Pull out the power supply PCB harness from the power supply PCB ASSY, and remove the power supply upper frame from the power supply lower frame. (5) Release the power harness from the securing fixture, and remove the power supply harness holder.

  • Page 88: Main Motor

    9.18 Main motor (1) Remove the taptite cup S M3x6 screw to remove the earth harness (YW). (2) Release the main motor harness from the securing fixtures, and pull it out from the main motor. (3) Release the hook to remove the core of the first side CIS flat cable from the lower frame. (4) Remove the four taptite cup B M3x10 screws to remove the lower frame from the lower chute ASSY.

  • Page 89: Front Cover Sensor

    9.19 Front cover sensor (1) Remove the taptite cup B M3x10 screw to remove the front cover sensor holder from the lower chute ASSY. (2) Release the two hooks to remove the front cover sensor from the front cover sensor holder. Hook Front cover sensor Hook...

  • Page 90: Double Feeding Sensor Pcb Assy (receive)

    9.20 Double feeding sensor PCB ASSY (Receive) (1) Remove the two taptite bind B M3x10 screws to remove the CIS earth plate and the double feeding sensor upper shield from the lower chute ASSY. (2) Remove the double feeding sensor PCB ASSY (Receive), and pull out the double feeding sensor harness (Receive) from the hole on the lower chute ASSY.

  • Page 91: First Side Cis Unit

    9.21 First side CIS unit (1) Turn over the lower chute ASSY. Release the hook from the hole on the lower chute ASSY, and remove the first side CIS unit from the lower chute ASSY while lifting and pulling it in the direction of the arrow.

  • Page 92: One Way Clutch

    9.22 One way clutch (1) Release the hook to remove the gear 60/20 from the lower chute ASSY. (2) Release the hook to remove the one way clutch from the lower chute ASSY. Lower chute ASSY Separate Gear 60/20 roller shaft Hook Hook One way clutch...

  • Page 93

    CHAPTER ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT Confidential...

  • Page 94

    CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT This chapter describes adjustments and updating of settings, which are required if the main PCB ASSY and some other parts have been replaced. CONTENTS 1. IF YOU REPLACE THE MAIN PCB ASSY..............4-1 1.1 Writing Firmware ....................

  • Page 95: If You Replace The Main Pcb Assy

    1. IF YOU REPLACE THE MAIN PCB ASSY <What to do after replacement> • Writing firmware • Setting by country • Initializing the EEPROM of the main PCB ASSY • Setting serial number • Acquiring white level data What you need to prepare (1) One USB cable ®...

  • Page 96: Writing Firmware

    Writing Firmware 1.1.1 Checking firmware version Check whether the firmware written on the main PCB is the latest version. If it is the latest version, there is no need to write the firmware. If it is not, be sure to write the firmware to the main PCB ASSY as described in "1.1.2 Installing firmware"...

  • Page 97: Writing Firmware

    (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_$.upd) in the same folder onto the "Brother Maintenance USB Printer" icon. The firmware file is loaded to the machine, and writing to the flash ROM starts.

  • Page 98: Setting By Country

    (7) Open the temporary folder and double-click "Filedg32.exe" to start it, and select the "Brother Maintenance USB Printer". (8) Drag and drop the Country code setting PJL file in the temporary folder onto the "Brother Maintenance USB Printer" icon. The country code information is loaded to the machine and written to the flash ROM.

  • Page 99: Setting Serial Number

    (7) Extract the "brusbsn.zip" file that was copied into the temporary folder, and double-click "brusbsn.exe" to start it. (8) In the [Port] field, select the port number assigned to the Brother Maintenance USB Printer. If the port number is unknown, follow the steps below to check it.

  • Page 100: Acquiring White Level Data

    Acquiring White Level Data (1) Press and hold the [Stop] and [Scan to USB] buttons simultaneously, and plug the AC cord into the outlet. The Power LED and the Error LED light. (2) Press the [Stop], [Scan to USB], [Scan to PC], and [Stop] buttons in this order. The Scan to PC LED and the Scan to USB LED light.

  • Page 101: Checking Operation After Repair

    (8) Set the document for double feeding sensor threshold setting in the ADF, and execute the maintenance mode function "Check ADF". Refer to "1.3.3 Check ADF" in Chapter 5. (** of the double feeding sensor is read in "Check ADF" mode.) (9) Execute the maintenance mode function "Acquire white level data and set CIS scan area".

  • Page 102: If You Replace The Cis Unit

    2. IF YOU REPLACE THE CIS UNIT <What to do after replacement> • Acquiring white level data Acquiring White Level Data (1) Press and hold the [Stop] and [Scan to USB] buttons simultaneously, and plug the AC cord into the outlet. The Power LED and the Error LED light. (2) Press the [Stop], [Scan to USB], [Scan to PC], and [Stop] buttons in this order.

  • Page 103: If You Replace The Double Feeding Sensor

    3. IF YOU REPLACE THE DOUBLE FEEDING SENSOR <What to do after replacement> • Setting double feeding sensor threshold • Checking double feeding function What you need to prepare (1) Document for double feeding sensor threshold setting (2) Document for double feeding check (3) Double feeding sensor threshold setting tool (BrADSmt1.exe) Copy this file into the temporary folder created on the C drive.

  • Page 104: Checking Double Feeding Sensor Operation

    (9) Set the document for double feeding sensor threshold setting in the ADF, and execute the maintenance mode function "Check ADF". Refer to "1.3.3 Check ADF" in Chapter 5 (** of the double feeding sensor is read in "Check ADF" mode.) (10) Execute the maintenance mode function "Acquire white level data and set CIS scan area".

  • Page 105: If You Replace The Panel Assy

    4. IF YOU REPLACE THE PANEL ASSY <What to do after replacement> • Checking control panel operation Acquiring White Level Data for Second Side CIS Unit (1) Press and hold the [Stop] and [Scan to USB] buttons simultaneously, and plug the AC cord into the outlet.

  • Page 106: If You Replace The Pick-up Roller / Separation Pad

    5. IF YOU REPLACE THE PICK-UP ROLLER / SEPARATION PAD <What to do after replacement> • Resetting pick-up roller / separation pad counters Resetting Pick-up Roller / Separation Pad Counters Refer to the User's Guide to reset the pick-up roller and separation pad counters. 4-12 Confidential...

  • Page 107: Service Functions

    CHAPTER SERVICE FUNCTIONS Confidential...

  • Page 108

    CHAPTER 5 SERVICE FUNCTIONS Describes the maintenance mode which is exclusively designed for the purpose of checking the settings and adjustments using the buttons on the control panel. This chapter also covers not-disclosed-to-users function menus, which activate settings and functions or reset the parts life.

  • Page 109: Maintenance Mode

    1. MAINTENANCE MODE Maintenance mode is exclusively designed for checking and setting the machine using the buttons on the control panel. How to Enter Maintenance Mode 1.1.1 Method of entering end-user accessible maintenance mode Basically, the maintenance mode functions should only be accessed by service personnel. However, end users are allowed to use some of these functions under the guidance of service personnel over the phone.

  • Page 110: 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 range The maintenance mode functions shaded in the table can be used by end users.

  • Page 111: 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 112: Check Adf

    1.3.3 Check ADF <Function> This function is used to check whether the document set in the ADF is fed correctly while counting the number of documents. <Operation Procedure> (1) In function number selection mode of maintenance mode, set the document in the ADF. (2) Press the [Scan to USB] button four times.

  • Page 113: Wiring Diagram

    CHAPTER WIRING DIAGRAM Confidential...

  • Page 114

    CHAPTER 6 WIRING DIAGRAM This chapter provides the wiring diagram for the connections of the PCBs. CONTENTS 1. WIRING DIAGRAM ....................... 6-1 Confidential...

  • Page 115

    1. WIRING DIAGRAM LED Model ERROR POWER Panel PCB CN4-3 CN5-3 VDD_RLED VDD_FLED Document scanning Document position sensor detection sensor REAR_SEN FRONT_SEN STOP PC SCAN USB SCAN CN3-2 CN6-2 Top cover sensor Double feeding TRAY_COVER sensor (sent) CN1-24 R-LED G-LED B-LED LED-ANODE AGND...

  • Page 116

    CHAPTER PERIODICAL MAINTENANCE Confidential...

  • Page 117

    CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1. PERIODICAL MAINTENANCE PARTS ................ 7-1 Confidential...

  • Page 118

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

  • Page 119

    APPENDIX SERIAL NUMBERING SYSTEM Confidential...

  • Page 120

    APPENDIX 1 SERIAL NUMBERING SYSTEM Serial number label (1 location) <How to Read> Serial number Manufacturing line Product Serial number (6-digit) identification code Manufacturing factory No. Year of manufacture 1: 2012 2: 2013 Month of manufacture A : January E : May J : September B : February F : June...

  • Page 121

    APPENDIX DELETING USER SETTING INFORMATION This appendix provides instructions on how to delete user setting information recorded in the machine. Confidential...

  • Page 122

    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 [Scan to USB] button three times. The Scan to PC LED and the Scan to USB LED light. (2) Press the [Stop] button.

  • Page 123

    APPENDIX INSTALLING MAINTENANCE DRIVER Confidential...

  • Page 124: Operating Procedure

    APPENDIX 3 INSTALLING MAINTENANCE 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.

This manual also for:

Ads-2100, Ads-2000e, Ads-2100e

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