Brother ADS-2000 ADS-2100 ADS-2000E ADS-2100E Service Manual

Service Manual Brother ADS-2000 ADS-2100 ADS-2000E ADS-2100E;
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REGULATION
SAFETY INFORMATION

CHAPTER 1. SPECIFICATIONS
1. SPECIFICATIONS LIST
1.1 General
1.2 Network Connectivity
1.3 Service Information
1.4 Consumable Parts
1.5 Paper
1.5.1 Paper handling
1.5.2 Media specifications
1.6 Scanner

CHAPTER 2. TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Checks before Commencing Troubleshooting
2. OVERVIEW
2.1 Cross-section Drawing
2.2 Paper Feeding
2.3 Operation of Each Part
2.4 Block Diagram
2.5 Main Components
3. ERROR INDICATIONS
3.1 LED Display when an Error Occurs
3.2 Status Error Messages
4. TROUBLESHOOTING
4.1 Troubleshooting for Error Display
4.1.1 The double feeding sensor detected multiple documents
4.1.2 The document scanning position sensor detected that
the document length was 40 cm or more. (Document jam)
4.1.3 The document scanning position sensor has not detected the top of
the document even after the document has been fed for the specified distance.
(Document jam)
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
4.1.5 The scanned data has exceeded the built-in memory capacity
4.1.6 The first side or second side CIS flat cable is not connected correctly
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
4.1.8 The country code was not entered correctly
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
4.1.10 The front cover sensor detected an open front cover in the ready state.
The front cover sensor detected an open front cover during scanning
4.1.11 Color parameter in the ROM does not match the first side or
second side CIS unit
4.1.12 A scanning error occurred while scanning the image
4.1.13 The voltage value was below the lower limit during scanning.
The white level does not increase during scanning although the
light intensity was increased.
A white level not within the standard was scanned when the maintenance mode
function “Acquire white level data and set CIS scan area” was executed.
A black level not within the standard was scanned when the maintenance mode
function “Acquire white level data and set CIS scan area” was executed
4.2 Troubleshooting for Image Defects
4.2.1 Defect examples
4.2.2 Troubleshooting according to image defect
4.3 Troubleshooting for Document Paper Feeding Problems
4.3.1 Multiple documents are fed
4.3.2 Document becomes wrinkled
4.3.3 Document becomes jammed
4.3.4 Document is not picked up and fed
4.4 Troubleshooting for Software Problems
4.4.1 Does not respond to operation from a computer
4.4.2 Cannot read data
4.5 Troubleshooting for Control Panel Problems
4.5.1 Nothing is displayed on the LED
4.5.2 Control panel is inoperable
4.5.3 Only specified buttons are inoperable
4.6 Troubleshooting for Other Problems
4.6.1 Machine does not turn ON
4.6.2 Unusual noise is coming from the machine
4.6.3 Data cannot be saved in the USB memory

CHAPTER 3. DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS
2. PACKING
3. SCREW CATALOGUE
4. SCREW TORQUE LIST
5. LUBRICATION
6. OVERVIEW OF GEARS
7. HARNESS ROUTING
8. DISASSEMBLY FLOW CHART
9. DISASSEMBLY PROCEDURE
9.1 Preparation
9.2 Separation pad ASSY
9.3 Pick-up roller ASSY
9.4 Output tray
9.5 Side cover L
9.6 Side cover R
9.7 Main PCB ASSY
9.8 USB host PCB ASSY
9.9 Front cover L/R
9.10 Panel ASSY
9.11 Panel PCB ASSY / Rubber key / Top cover sensor / Top cover actuator
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
9.13 Second side CIS unit
9.14 Top cover / Document guide LS / Document guide RS
9.15 Back cover S
9.16 Back cover
9.17 Power supply PCB ASSY
9.18 Main motor
9.19 Front cover sensor
9.20 Double feeding sensor PCB ASSY (Receive)
9.21 First side CIS unit
9.22 One way clutch

CHAPTER 4. ADJUSTING AND UPDATING SETTINGS
AS REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY
1.1 Installing Firmware
1.1.1 Checking firmware version
1.1.2 Installing firmware
1.2 Setting by Country
1.3 Initializing the EEPROM of the Main PCB ASSY
1.4 Setting Serial Number
1.5 Acquiring White Level Data
1.6 Setting Double Feeding Sensor Threshold
1.7 Checking Operation after Repair
2. IF YOU REPLACE THE CIS UNIT
2.1 Checking Firmware Version
2.2 Acquiring White Level Data
2.3 Checking Operation after Repair
3. IF YOU REPLACE THE DOUBLE FEEDING SENSOR
3.1 Setting Double Feeding Sensor Threshold
3.2 Checking Double Feeding Sensor Operation
4. IF YOU REPLACE THE PANEL ASSY
4.1 Acquiring White Level Data for Second Side CIS Unit
4.2 Checking Operation after Repair
5. IF YOU REPLACE THE PICK-UP ROLLER / SEPARATION PAD
5.1 Resetting Pick-up Roller / Separation Pad Counters

CHAPTER 5. SERVICE FUNCTIONS
1. MAINTENANCE MODE
1.1 How to Enter Maintenance Mode
1.1.1 Method of entering end-user accessible maintenance mode
1.1.2 Method of entering maintenance mode for service personnel
1.2 List of Maintenance Mode Functions
1.3 Details of Maintenance Mode Functions
1.3.1 Change USB No. return value (End-user accessible maintenance mode only)
1.3.2 Initialize user setting
1.3.3 Check ADF
1.3.4 Check sensor operation
1.3.5 Acquire white level data and set CIS scan area

CHAPTER 6. WIRING DIAGRAM
1. WIRING DIAGRAM

CHAPTER 7 PERIODICAL MAINTENANCE
1. PERIODICAL MAINTENANCE PARTS

APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION
APPENDIX 3 INSTALLING MAINTENANCE DRIVER