Brother DCP-9045CDN Brother MFP-9840CDW Service Manual and Parts List Manual

Service Manual and Parts List Manual Brother DCP-9045CDN Brother MFP-9840CDW;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Brother.
You can print, zoom or read any diagram, picture or page from this Service Manual and Parts List Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Brother DCP9045CDN Brother MFP9840CDW photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

REGULATION
SAFETY INFORMATION

CHAPTER 1. TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Initial Check
2. ERROR CODES
2.1 Error Indication
2.2 Error Cause and Remedy
2.2.1 Recoverable Error by User Check
2.2.2 Service Call Error
3. PAPER FEEDING PROBLEMS
3.1 No Feeding
3.2 Double Feeding
3.3 Paper Jam
3.4 Dirt on Paper
3.5 Wrinkles
4. IMAGE DEFECT TROUBLESHOOTING
4.1 Image Defect Examples
4.2 Diameter of Rollers
4.3 Troubleshooting Image Defect
5. SOFTWARE SETTING PROBLEMS
6. NETWORK PROBLEMS
7. TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS
8. TROUBLESHOOTING OF THE CONTROL PANEL
9. TROUBLESHOOTING OF FAX FUNCTIONS
10. OTHERS PROBLEMS

CHAPTER 2. PERIODICAL MAINTENANCE
1. CONSUMABLE PARTS
2. PERIODICAL REPLACEMENT PARTS
2.1 Periodical Replacement Parts
2.2 Procedures to Replace Periodical Replacement Parts
2.2.1 Fuser Unit & Fuser Filter Frame ASSY
2.2.2 Laser Unit
2.2.3 Paper Feeding Kit (PF Kit1, PF Kit2)
2.2.4 MP Paper Feeding Kit (PF Kit MP)
2.3 Parts Life Reset Function

CHAPTER 3. DISASSEMBLY AND ASSEMBLY
1. SAFETY PRECAUTIONS
2. PACKING
3. SCREW TORQUE LIST
4. LUBRICATION
5. OVERVIEW OF GEARS
6. HARNESS ROUTING
7. DISASSEMBLY FLOW
8. DISASSEMBLY PROCEDURE
8.1 Paper Tray
8.2 DX Feed ASSY
8.3 MP Cover ASSY/ MP Paper Guide ASSY
8.4 MP Lift Arm 2/ MP Roller Holder ASSY
8.5 Fuser Unit/ Toner Filter Frame ASSY
8.6 Back Cover Upper
8.7 Paper Eject ASSY DX
8.8 Back Cover ASSY
8.9 Paper Guide/ HV TR Top Cover
8.10 Transfer HVPS PCB Unit
8.11 Registration-mark Sensor PCB ASSY 1, 2/ Density Sensor/ Registration Relay PCB ASSY/ Transfer HVPS PCB ASSY
8.12 Side Cover L ASSY
8.13 Side Plate LB
8.14 Drum Unit Fan (OPC)
8.15 Side Cover R ASSY
8.16 Paper Stopper
8.17 Driver PCB ASSY
8.18 Pull arm L, R/ Hinge Protection Cover ASSY
8.19 ADF Unit
8.20 Panel Unit
8.21 Document Scanner Unit
8.22 NCU PCB ASSY (MFC-9840CDW only)
8.23 Battery ASSY
8.24 Joint Cover ASSY
8.25 Speaker ASSY
8.26 Roller Holder ASSY
8.27 Paper Feed Frame Unit/ T1 PE/Edge Sensor PCB ASSY
8.28 Belt Cleaner Release Sensor PCB ASSY
8.29 THM/HUM Sensor Holder ASSY
8.30 Release Rack
8.31 Front Door Unit ASSY
8.32 Harness Cover MP
8.33 Front Door Sub
8.34 EL Electrode Spring L/R
8.35 Hook Cover/ Front Cover Release Button/ Button Spring/ Front Door Main
8.36 Hook Shaft/ Hook/ Hook Spring
8.37 Engine PCB ASSY
8.38 Main PCB ASSY/ Ground Plate/ Ground Spring Plate
8.39 Waste Toner Near/Full Sensor ASSY
8.40 Laser Unit/ Hook Slope
8.41 Develop Drive Motor ASSY
8.42 Drum Drive ASSY/ Drum Phase Sensor PCB ASSY 1, 2
8.43 Drive Frame Unit ASSY
8.44 Paper Feed/Belt Cleaner Motor ASSY
8.45 Develop Release Sensor PCB ASSY
8.46 Develop Press Drive L ASSY
8.47 Front Cover Interlock Switch ASSY
8.48 Toner Sensor PCB ASSY K, Y, M, C (TE/NEW)
8.49 New Toner Actuator/ New Toner Actuator Spring
8.50 Side Plate R ASSY
8.51 Drum Lock Lever L
8.52 Drum Lock Lever R
8.53 Charge HVPS PCB ASSY
8.54 Toner LED PCB ASSY
8.55 Fuser Unit Fan (FU)
8.56 LVPS Fan (PS)
8.57 Air Intake Fan (AIR)
8.58 PS PCB Unit
8.59 Belt Unit Drive Motor ASSY
9. DISASSEMBLY PROCEDURE (LT-100CL)
9.1 LT Paper Tray
9.2 LT Cover Rear
9.3 LT Cover Left
9.4 LT Cover Right
9.5 LT Relay PCB ASSY
9.6 LT Solenoid ASSY
9.7 Collar 6
9.8 Cassette Switch ASSY
9.9 LT Paper Feed Frame Unit

CHAPTER 4. ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB
2. IF YOU REPLACE THE ENGINE PCB
3. IF YOU REPLACE THE FB UNIT

CHAPTER 5. SERVICE FUNCTIONS
1. MAINTENANCE MODE
1.1 How to Enter the Maintenance Mode
1.2 How to Enter the User-accessible Maintenance Mode
1.3 List of Maintenance-mode Functions
1.4 Detailed Description of Maintenance-mode Functions
1.4.1 EEPROM Parameter Initialization (Function code 01, 91)
1.4.2 Printout of Scanning Compensation Data (Function code 05)
1.4.3 Placement of Scanner Unit Position for Transportation (Function code 06)
1.4.4 ADF Performance Test (Function code 08)
1.4.5 Test Pattern (Function code 09)
1.4.6 Worker Switch (WSW) Setting and Printout
1.4.7 Operational Check of LCD (Function code 12)
1.4.8 Operational Check of Control Panel Button (Function code 13)
1.4.9 ROM Version Check (Function code 25)
1.4.10 Drum Unit Clea41ning (Function code 31)
1.4.11 Operational Check of Sensors (Function code 32)
1.4.12 Switching of the USB Transfer Speed in the PictBridge Mode/(Function code 45)
1.4.13 EEPROM Customizing (User-accessible) (Function code 52)
1.4.14 Received Data Transfer Function (Function code 53) (MFC-9840CDW only)
1.4.15 Fine Adjustment of Scan Start/End Positions (Function code 54)
1.4.16 Acquisition of White Level Data and CCD Scanner Area Setting (Function code 55)
1.4.17 Paper Feeding and Ejecting Test (Function code 67)
1.4.18 Sensitivity Adjustment of Density Sensor (Function code 72) (Don’t use)
1.4.19 EEPROM Customizing (Function code 74)
1.4.20 Sensitivity Adjustment of Registration-mark Sensor (Function code 75)
1.4.21 Operational Check of Fans (Function code 78)
1.4.22 Display of the Machine’s Log Information (Function code 80)
1.4.23 Error Code Indication (Function code 82)
1.4.24 Developing Bias Voltage Correction (Function code 83)
1.4.25 Output of Transmission Log to the Telephone Line (Function code 87)
1.4.26 Exit from the Maintenance Mode (Function code 99)
2. OTHER SERVICE FUNCTIONS
2.1 Resetting the Periodical Replacement Parts Life
2.1.1 Resetting the Life Counter of the Belt Unit
2.1.2 Resetting the Life Counter of the Fuser Unit
2.1.3 Resetting the Life Counter of the Drum Unit
2.1.4 Resetting the Life counter of the Paper Feeding Kit
2.1.5 Resetting the Life Counter of the MP Paper Feeding Kit
2.1.6 Resetting the Life Counter of the Laser Unit
2.2 Develop Roller/ Developing Bias Voltage Counter Reset Function
2.3 Drum Unit Cleaning Mode
2.4 Fixing Motor Speed Adjustment Mode

CHAPTER 6. CIRCUIT DIAGRAMS, WIRING DIAGRAM

APPENDIX 1 WORKER SWITCH SETTINGS (WSW)
APPENDIX 2 DELETION OF PERSONAL INFORMATION
APPENDIX 3 SERIAL NUMBERING SYSTEM
APPENDIX 4 SCREW CATALOGUE
APPENDIX 5 REFERENCES

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Content for PARTS LIST MANUAL:
1. FRAME UNIT
2. DRIVE
3. LASER UNIT
4. PAPER FEEDER
5. MP UNIT
6. DX
7. PAPER TRAY
8. FUSER UNIT
9. PAPER EJECT
10. COVERS&LABELS
11. DOCUMENT SCANNER
12. ADF
13. PANEL
14. PCB
15. ACCESSORIES
16. PRINTED MATERIAL
17. PACKING MATERIALS
18. PERIODICAL MAINTENANCE PART

Number of pages: 511.