Brother ADS-2000 Service Manual page 7

1.6 Setting Double Feeding Sensor Threshold.......................................................................... 4-6
1.7 Checking Operation after Repair ......................................................................................... 4-7
2. IF YOU REPLACE THE CIS UNIT ............................................................................................... 4-8
2.1 Acquiring White Level Data ................................................................................................. 4-8
2.2 Checking Operation after Repair ......................................................................................... 4-8
3. IF YOU REPLACE THE DOUBLE FEEDING SENSOR .............................................................. 4-9
3.1 Setting Double Feeding Sensor Threshold.......................................................................... 4-9
3.2 Checking Double Feeding Sensor Operation .................................................................... 4-10
4. IF YOU REPLACE THE PANEL ASSY...................................................................................... 4-11
4.1 Acquiring White Level Data for Second Side CIS Unit ...................................................... 4-11
4.2 Checking Operation after Repair ....................................................................................... 4-11
5. IF YOU REPLACE THE PICK-UP ROLLER / SEPARATION PAD........................................... 4-12
5.1 Resetting Pick-up Roller / Separation Pad Counters......................................................... 4-12
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE................................................................................................................ 5-1
1.1 How to Enter Maintenance Mode ........................................................................................ 5-1
1.1.1 Method of entering end-user accessible maintenance mode................................ 5-1
1.1.2 Method of entering maintenance mode for service personnel .............................. 5-1
1.2 List of Maintenance Mode Functions ................................................................................... 5-2
1.3 Details of Maintenance Mode Functions.............................................................................. 5-3
1.3.1 Change USB No. return value (End-user accessible maintenance mode only) .... 5-3
1.3.2 Initialize user setting.............................................................................................. 5-3
1.3.3 Check ADF ............................................................................................................ 5-4
1.3.4 Check sensor operation ........................................................................................ 5-4
1.3.5 Acquire white level data and set CIS scan area.................................................... 5-4
CHAPTER 6CHAPTER 6
1. WIRING DIAGRAM ...................................................................................................................... 6-1
CHAPTER 7 PERIODICAL MAINTENANCE
1. PERIODICAL MAINTENANCE PARTS ....................................................................................... 7-1
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION
APPENDIX 3 INSTALLING MAINTENANCE DRIVER
iv
Confidential