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Brother MFC-9840CDW, DCP-9045CDN manual 373

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Contents

Page Page PREFACE APPENDIX 1: WORKER SWITCH SETTINGS (WSW) APPENDIX 2: DELETION OF PERSONAL INFORMATION APPENDIX 3: SERIAL NUMBERING SYSTEM APPENDIX 4: SCREW CATALOGUE APPENDIX 5: HOW TO MAKE THE DRUM UNIT REMOVE SHEET TABLE OF CONTENTS CHAPTER 1 TROUBLESHOOTING CHAPTER 2 PERIODICAL MAINTENANCE CHAPTER 3 DISASSEMBLY AND ASSEMBLY Page CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTING REQUIRED AFTER PARTS REPLACEMENT CHAPTER 5 SERVICE FUNCTIONS APPENDIX 1 WORKER SWITCH SETTINGS (WSW) App.1-1 APPENDIX 2 DELETION OF PERSONAL INFORMATION App.2-1 APPENDIX REGULATION Internal laser radiation EU Directive 2002/96/EC and EN50419 < For USA and Canada Federal Communications Commission (FCC) Declaration of Conformity (For USA) Industry Canada Compliance Statement (For Canada) Laser Safety (110 to 120 volt model only) FDA Regulations (110 to 120 volt model only) SAFETY INFORMATION Definitions of Warnings, Cautions, Notes and Memos Safety Precautions WARNING Page Page About Copying CAUTION CHAPTER 1 TROUBLESHOOTING 1.INTRODUCTION <Paper <Consumable Parts <Others 2.ERROR CODES Page 2.2Error Cause and Remedy 2.2.1Recoverable Error by User Check Error code Error code 5E Error code 9B Error code C7 Error code C9 2.2.2Service Call Error Error code 20(K) Error code 21(Y) Error code 22(M) Error code 23(C) Page Error code 2A Error code 2B Error code 2C(K) Error code 2D(Y) Error code 2E(M) Error code 2F(C) Page Page Error code 3B Page Error code 5A Error code 5F Error code 60(C), 61(M), 62(Y), 63(K) Error code 64(C), 65(M), 66(Y), 67(K) Error code 6A Error code 6B Error code 6C Error code 6D Error code 6E Page Error code 7C Error code 7D Error code 84 (Jam Rear) Error code 88 (Jam Inside) Page Error code 8A (T1) Error code 8B (LT) Error code 8C (MP) Error code 9D Error code A2 Error code A3 Error code A5 Error code A6 Error code A7 Error code AD Error code AE Error code AF Error code B0 Error code B2 Error code B3 Error code B4 Error code B5 Error code B6 Error code B9 Error code BB Error code BD Error code BE Error code BF Error code C0(K) Error code C1(Y) Error code C2(M) Error code C3(C) Error code C4 Error code C5 Error code C6 Error code C8 Error code CA Error code CB Error code CC Error code CD Page Error code CE Error code CF Error code D0-DF Error code E6 Error code EF Error code F8 3.PAPER FEEDING PROBLEMS 3.3Paper Jam Paper jam in the paper tray and front cover Paper jam in the back cover and paper eject section Paper jam in the DX paper feeding section 3.4Dirt on Paper 3.5Wrinkles 4.IMAGE DEFECT TROUBLESHOOTING 4.2Diameter of Rollers 4.3Troubleshooting Image Defect Light on the whole page One color is light Faulty registration Dark Poor fixing Completely blank Image distortion All one color Dirt on the back of paper Vertical streaks Vertical streaks in a light background Horizontal stripes White vertical streaks on one color image White horizontal stripes on one color image Faint print White spots on one color image Page Page One color spots or dirt One color band Downward fogging of solid color Horizontal lines Ghost Color misregistration Fogging Unstable color density Hollow print Dirt on the bottom end of paper 5.SOFTWARE SETTING PROBLEMS 6.NETWORK PROBLEMS 7.TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS Page Page Page 8.TROUBLESHOOTING OF THE CONTROL PANEL The control panel does not work Printing from Macintosh applications fails 9.TROUBLESHOOTING OF FAX FUNCTIONS Speed dialing and One-touchdialing can't be used FAX can't be received No bell ring Speaker is silent during on-hookdialing Dialing function does not switch between "tone" and "pulse 10.OTHERS PROBLEMS Pickup function of paper tray does not work The new toner is not detected CHAPTER 2 PERIODICAL MAINTENANCE Page Page 2.PERIODICAL REPLACEMENT PARTS 2.1Periodical Replacement Parts 2.2Procedures to Replace Periodical Replacement Parts 2.2.1 Fuser Unit & Toner Filter Frame ASSY <Uninstalling Procedure <Installing Procedure Page Page 2.2.2Laser Unit <Uninstalling Procedure Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 18a 18b 18d 18e 18c Page Page Page 2.2.3Paper Feeding Kit (PF Kit 1, PF Kit 2) <Uninstalling Procedure Page Page Page Page 2.2.4MP Paper Feeding Kit (PF Kit MP) <Uninstalling Procedure Page Page Page Page 2.3Parts Life Reset Function CHAPTER 3 DISASSEMBLY AND ASSEMBLY 1.SAFETY PRECAUTIONS 2.PACKING 3.SCREW TORQUE LIST Page Page Page 4.LUBRICATION Page Page Page Page Page Page Page 5.OVERVIEW OF GEARS PF DRIVE 6.HARNESS ROUTING 3T1 PE/edge sensor PCB ASSY, Belt cleaner release sensor PCB ASSY 4Develop release sensor PCB ASSY 5Toner sensor PCB ASSY K, Y, M, C (TE/NEW) 6Laser unit 7Develop press drive L ASSY (Develop release motor ASSY, Front cover interlock switch ASSY) 8LVPS fan (PS) 9PS PCB unit 10NCU unit (MFC-9840CDWonly) 11Paper feed/belt cleaner motor ASSY 12ADF unit 13ADF unit (Document front sensor 1, Document front sensor 2) 14ADF unit (Document rear sensor, Switch back sensor) 15ADF unit (S/B solenoid ASSY, PF solenoid ASSY) 16Document scanner unit (CCD unit, HP sensor) 17Document scanner unit (Scanner motor, FG harness FB) 18Panel unit 19Speaker ASSY 20Wireless LAN PCB ASSY (MFC-9840CDWonly) Page 7.DISASSEMBLY FLOW 8.DISASSEMBLY PROCEDURE Page 8.2DX Feed ASSY 8.3MP Cover ASSY/ MP Paper Guide ASSY Page Page 8.4MP Lift Arm 2/ MP Roller Holder ASSY Page Page 8.5Fuser Unit/ Toner Filter Frame ASSY Page 8.6Back Cover Upper 8.7Paper Eject ASSY DX Page 8.8Back Cover ASSY 8.9Paper Guide/ HV TR Top Cover 8.10Transfer HVPS PCB Unit Registration-mark Page Page Page 11b 11a Page 8.12Side Cover L ASSY 8.13Side Plate LB 8.14Drum Unit Fan (OPC) 8.15Side Cover R ASSY 8.16Paper stopper 3b 3a 8.17Driver PCB ASSY Page 8.18Pull arm L, R/ Hinge Protection Cover ASSY Page Page Page 8.19ADF Unit Page Page 10b 10a Page Page Page Page 22b 22a 24b 24a 26b 26a Page Page 29a 29b Page Page Page Page Page 47b 51b 51a 53b 53c 53a 56c 56b 56a Page 59b 59a 63a 63b Page Page 69b Page Page Page 83b 83a Page 8.20Panel Unit Page Page Page Page 8.21Document Scanner Unit 4b 4b Page Page Page 12b 12a Page Page Page Page Page 8.22NCU PCB ASSY (MFC-9840CDWonly) Page Page 8.23Battery ASSY 8.24Joint Cover ASSY Page Page Page Page Page 17a 17b 8.25Speaker ASSY Page 8.26Roller Holder ASSY 8.27Paper Feed Frame Unit/ T1 PE/Edge Sensor PCB ASSY Page Page Page Page Page Page Page 8.28Belt Cleaner Release Sensor PCB ASSY 8.29THM/HUM Sensor Holder ASSY Page 8.30Release Rack 8.31Front Door Unit ASSY Page Page 8.32Harness Cover MP 8.33Front Door Sub 8.34EL Electrode Spring L/R 8.35Hook Cover/ Front Cover Release Button/ Button Spring/ Front Door Main Page 8.36 Hook Shaft/ Hook/ Hook Spring 8.37Engine PCB ASSY 8.38Main PCB ASSY/ Ground Plate/ Ground Spring Plate Page 8.39Waste Toner Near/Full Sensor ASSY Page 8.40Laser Unit/ Hook Slope Page 8.41Develop Drive Motor ASSY Page Page Page Page 8.42Drum Drive ASSY/ Drum Phase Sensor PCB ASSY 1 Page Page Page 8.43Drive Frame Unit ASSY 8.44Paper Feed/Belt Cleaner Motor ASSY 8.45Develop Release Sensor PCB ASSY 8.46Develop Press Drive L ASSY Page Page 8.47Front Cover Interlock Switch ASSY 8.48Toner Sensor PCB ASSY K, Y, M, C (TE/NEW) Page Page Page 8.49New Toner Actuator/ New Toner Actuator Spring 8.50Side Plate R ASSY 8.51Drum Lock Lever L 8.52Drum Lock Lever R 8.53Charge HVPS PCB ASSY Page 8.54Toner LED PCB ASSY 8.55Fuser Unit Fan (FU) 8.56LVPS Fan (PS) 8.57Air Intake Fan (AIR) 8.58PS PCB Unit Page Page Page 8.59Belt Unit Drive Motor ASSY Page Page 9.DISASSEMBLY PROCEDURE (LT-100CL) Page Page Page 9.2LT Cover Rear 9.3LT Cover Left 9.4LT Cover Right 9.5LT Relay PCB ASSY 9.6LT Solenoid ASSY 9.7Collar 9.8Cassette Switch ASSY Page 9.9LT Paper Feed Frame Unit Page Page Page Page Page Page Page 1. IF YOU REPLACE THE MAIN PCB <Procedures Page Page Page Page Page Page Page Page 2.IF YOU REPLACE THE ENGINE PCB Page Page 3.IF YOU REPLACE THE FB UNIT CHAPTER 5 SERVICE FUNCTIONS 1.MAINTENANCE MODE 1.3List of Maintenance-modeFunctions 1.4Detailed Description of Maintenance-modeFunctions 1.4.1EEPROM Parameter Initialization (Function code 01, 91) <Function 1.4.2Printout of Scanning Compensation Data (Function code 05) Page Page 1.4.5Test Pattern (Function code 09) 1.4.6Worker Switch (WSW) Setting and Printout Page Page 1.4.7Operational Check of LCD (Function code 12) 1.4.8Operational Check of Control Panel Button (Function code 13) 1.4.9ROM Version Check (Function code 25) 1.4.10 Drum Unit Cleaning (Function code 31) < Function < Operating Procedure 1.4.11 Operational Check of Sensors (Function code 32) Page Page Page Page 1.4.13 EEPROM Customizing (User-accessible)(Function code 52) 1.4.14 Received Data Transfer Function (Function code 53) (MFC-9840CDWonly) Page 1.4.15 Fine Adjustment of Scan Start/End Positions (Function code 54) Page Page 1.4.17 Adjustment of Color Registration (Maintenance Mode 66) Manual Adjustment of Color Registration Page 1.4.18 Paper Feeding and Ejecting Test (Function code 67) 1.4.19 Sensitivity Adjustment of Density Sensor (Function code 72) (Don’t use) 1.4.20 EEPROM Customizing (Function code 74) 1.4.21 Sensitivity Adjustment of Registration-markSensor (Function code 75) Page 1.4.22 Operational Check of Fans (Function code 78) Page 1.4.23 Display of the Machine’s Log Information (Function code 80) Page 1.4.24 Error Code Indication (Function code 82) 1.4.25Developing Bias Voltage Correction (Function code 83) 1.4.26 Output of Transmission Log to the Telephone Line (Function code 87) 1.4.27Exit from the Maintenance Mode (Function code 99) 2.OTHER SERVICE FUNCTIONS Page Page 2.2Develop Roller/ Developing Bias Voltage Counter Reset Function 2.3Drum Unit Cleaning Mode 2.4Fuser Motor Speed Adjustment Mode CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM Page Page Page Page Page Page NCU PCB Circuit Diagram Page Page Page APPENDIX 1 WORKER SWITCH SETTINGS (WSW) Page < WSW01 Page < WSW02 < WSW03 Page < WSW04 < WSW05 < WSW06 Page < WSW07 < WSW08 < WSW09 < WSW10 < WSW11 < WSW12 < WSW13 < WSW14 < WSW15 < WSW16 < WSW17 < WSW18 < WSW19 < WSW20 < WSW21 < WSW22 < WSW23 < WSW24 < WSW25 < WSW26 < WSW27 < WSW28 < WSW29 < WSW30 < WSW31 < WSW32 < WSW33 < WSW34 < WSW35 < WSW36 Page < WSW37 < WSW38 < WSW39 < WSW40 Page < WSW41 < WSW42 < WSW43 < WSW44 < WSW45 < WSW46 < WSW47 < WSW48 < WSW49 < WSW50 < WSW51 < WSW52 < WSW53 < WSW54 < WSW55 < WSW56 < WSW57 < WSW58 < WSW59 < WSW60 < WSW61 < WSW62 Page APPENDIX 2 DELETION OF PERSONAL INFORMATION Page APPENDIX 3 SERIAL NUMBERING SYSTEM Waste toner box serial label Belt unit serial label Toner cartridge(K, Y, M, C) and Drum unit serial label APPENDIX 4 SCREW CATALOGUE Taptite, pan B Taptite, B Taptite, flat B Screw flanged Screw pan (S/P washer) APPENDIX 5 HOW TO MAKE THE DRUM UNIT REMOVE SHEET Page APPENDIX 6 REFERENCES

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