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Fax Machine
Brother
DCP-8080DN/8085DN, MFC-8480DN/8880DN/8890DW
9.56Printed Rubber Key
1
292
519
519
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519 pages, 12.23 Mb
9.56
Printed Rubber Key
(1)
Remove the Printed rubber key.
Printed rubber key
Panel cover
Fig.
5-114
5-92
Confidential
Contents
Laser FAX/MFC
DCP-8080DN/8085DN MFC-8480DN/8880DN/8890DW
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PREFACE
APPENDIX 1: FIRMWARE SWITCHES (WSW)
APPENDIX 2: DELETION OF USER SETTING INFORMATION, etc
APPENDIX 3: SERIAL NUMBERING SYSTEM
APPENDIX 4: SCREW CATALOGUE
APPENDIX 5: REFERENCES
REGULATION
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SAFETY INFORMATION
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SPECIFICATIONS
CHAPTER
SPECIFICATIONS
1. COMPONENTS
2. SPECIFICATIONS LIST
Functions
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2.3Electronics and Mechanics
2.4Network Connectivity
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2.5Service Information
Paper
Paper handling
2.6.2 Media specifications
2.6.3 Type and size of paper
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2.7Printable Area
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2.8Print Speeds with Various Settings
2.9 Telephone
2.10 Fax
2.11 List/Report
2.12 Copy
2.13 Scanner
2.14 USB Host
THEORY OF OPERATION
CHAPTER 2 THEORY OF OPERATION
1. MECHANICS
2. ELECTRONICS
3. MECHANICS
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3.2Scanner Mechanism
3.2.1 Scanner unit
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3.2.2 ADF unit
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3.3Paper Feeding
3.3.1 Plate-upFunction of the Paper Tray
3.3.2 Paper supply
3.3.3 Paper registration
3.3.4 Paper eject
3.3.5 Duplex printing
3.3.6 Paper feeding from the MP tray
3.3.7 Paper feeding from the LT tray (Tray2)
3.4Toner Cartridge
3.4.1 Methods for Detecting Toner Life
3.4.2 Cartridge life
3.4.3New toner detection
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3.5Print
3.5.1 Basic Principle
3.5.2 Print Process
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3.6Sensors position
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ERROR INDICATION AND TROUBLESHOOTING
CHAPTER 3 PERIODIC MAINTENANCE
1. INTRODUCTION
1.2Part names
1.3Initial Check
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2. DISTINGUISH ERROR CAUSE
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3. ERROR CODES
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3.2Error Code Cause and Remedy
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4. PAPER FEEDING PROBLEMS
4.3Paper Jam
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4.4Dirt on Paper
4.5Wrinkles or creases
4.6Waves in the paper / folds in the paper at the eject roller
4.7Curl in the paper
4.8Prints only single side of the paper when duplex-printing
5. IMAGE DEFECT TROUBLESHOOTING
5.3Troubleshooting Image Defect
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■Poor fixing
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6. SOFTWARE SETTING PROBLEMS
7. NETWORK PROBLEMS
8.TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS
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9.TROUBLESHOOTING OF THE CONTROL PANEL
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10. TROUBLESHOOTING OF FAX FUNCTIONS
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11. DOCUMENT FEEDING PROBLEMS
11.2 Double Feeding
11.3Paper Jam
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11.4 Wrinkles
12.SCANNING IMAGE DEFECT TROUBLESHOOTING
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13. OTHERS PROBLEMS
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PERIODIC MAINTENANCE
CHAPTER 4 PERIODIC MAINTENANCE
1. PERIODIC MAINTENANCE PARTS
1.1Periodical Replacement Parts
1.2Procedures to Replace Periodical Replacement Parts
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CAUTION
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DISASSEMBLY/REASSEMBLY
CHAPTER 5 PERIODIC MAINTENANCE
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1. SAFETY PRECAUTIONS
2. TRANSFERRING RECEIVED FAX DATA
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3. PACKING
4. SCREW TORQUE LIST
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5. LUBRICATION
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6. GEAR LAYOUT DRAWING
7. HARNESS ROUTING
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DISASSEMBLY FLOW CHART
9. DISASSEMBLY PROCEDURE
9.1Paper Tray
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9.2Back Cover
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9.3Rear Chute ASSY
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9.4Fuser Unit
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9.5Tray MP ASSY
9.6MP Tray Cover ASSY/Process Cover ASSY/Emblem cover
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9.7Access Cover/Side Cover L
9.8ADF Unit
9.9Hinge Arm R
9.10Hinge Base R
9.11Hinge ASSY L
9.12ADF Cover ASSY
9.13ADF Side Cover F
9.14ADF Side Cover R
9.15ADF Chute ASSY
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9.17Exit Chute Cover ASSY
9.18Earth Spring
9.19PF Roller Holder ASSY
9.20LF Roller 1 ASSY
9.21SB Roller ASSY (For the models with the Reading DX only)
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9.22ADF Motor
9.23S/B Solenoid ASSY (For the models with the DX only)
9.24PF Solenoid ASSY (For the models with the DX only)
9.25ADF Relay PCB
9.26Paper Feed Chute ASSY
9.27Actuator Front 1/Photo Interrupter (For the models with the DX only)
9.28Actuator Front 2/Photo Interrupter (For the models with the DX only)
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9.30Presser Roller/LF Spring
9.31LF Roller 2 ASSY
9.32Exit Roller ASSY
9.33LF Roller 3 ASSY
9.34LF Roller 4 ASSY
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9.36Document Hold/Document Hold Spring
9.37Upper Main Chute ASSY/Lower Main Chute ASSY
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9.38Actuator R/Photo Interrupter
9.39Flap B
9.40Actuator SB/Photo Interrupter (For the models with the DX only)
9.41Document Ejection Tray
9.42Document Cover Sensor
9.43Eject Roller B4
9.44Presser Roller
9.45Panel Cover ASSY
9.46Scanner Unit ASSY
9.47 Top Cover ASSY
9.48Lock Lever B/ Lock Lever ASSY
9.49CCD Module
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9.50FFC Cable ASSY
9.51Scanner Motor FB
9.52Pulley ASSY
9.53Photo Interrupter
9.54Panel Unit
9.55Panel PCB ASSY
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9.56Printed Rubber Key
9.57LCD Cover/Backlight Module/LCD
9.58NCU PCB ASSY (For the models with the NCU only)
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9.59Speaker ASSY
9.60Driver PCB
9.61USB HOST PCB ASSY
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9.62Side Cover R
9.63Joint Cover ASSY
DANGER
GEFAHR
WARNUNG
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9.64Main PCB
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9.65Gear Plate Calking ASSY/Develop Joint/Main Motor ASSY
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9.66Main Shield Plate ASSY
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9.67Relay Rear PCB ASSY/Connector
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9.68Relay Front PCB ASSY
9.69Drive Release Link
9.70MP Solenoid ASSY
9.71T1 Solenoid ASSY
9.72Toner Sensor PCB
9.73Register Solenoid ASSY
9.74Ejector Solenoid ASSY
9.75Interlock SW ASSY
9.76New Toner Actuator
9.77Gear 17/20/23
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9.78Thermistor ASSY
9.79Filter
9.80Laser Unit
9.81PS PCB Unit
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9.82High-VoltagePS PCB ASSY
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9.83Wireless PCB (PCB T60H989 ASSY 04) (Wireless LAN model)
9.84Toner LED PCB Unit ASSY
9.85Fan Motor 60 Unit
9.86Fan Motor 60 Unit LV
9.87FRAME L ASSY
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9.88MP Unit
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9.89Regist Actuator Rear/Regist Actuator Spring
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9.90Regist Actuator Front/Regist Actuator Spring
9.91Roller Holder ASSY
9.92PE Actuator/Edge Actuator/Edge Actuator Spring
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9.93PE EG Sensor ASSY
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10. DISASSEMBLY PROCEDURE (LT-5300)
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10.2LT Front Cover ASSY
10.3LT Rear Cover
10.4LT Side Cover L
10.5LT Side Cover R
10.6LT PCB ASSY
10.7Connector:
10.8Connector:
10.9Gear 24 LT
10.10Collar
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10.11LT Solenoid ASSY
10.12Roller Holder ASSY
10.13Edge Actuator Spring
10.14PE Actuator , Edge Actuator
10.15LT Sensor PCB ASSY
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CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS
REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB
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2. IF YOU REPLACE THE WIRELESS LAN PCB
3. IF YOU REPLACE THE WIRELESS LAN PCB
SERVICE MODE
CHAPTER 7 SERVICE MODE
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1. ENTRY INTO THE MAINTENANCE MODE
2. LIST OF MAINTENANCE-MODEFUNCTIONS
3. USER-ACCESSTO THE MAINTENANCE MODE
4.DETAILED DESCRIPTION OF MAINTENANCE-MODEFUNCTIONS
4.2Printout of Scanning Compensation Data (Function code 05)
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4.3Placement of FB Unit in Position for Transportation (Function code 06)
4.4ADF Performance Test (Function code 08)
4.5Test Pattern 1 (Function code 09)
4.6Firmware Switch Setting and Printout
4.6.1Firmware switch setting (Function code 10)
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4.6.2Printout of firmware switch data (Function code 11)
4.7Operation Check of LCD (Function code 12)
4.8Operational Check of Control Panel PCB (Function code 13)
4.9ROM Version Check (Function code 25)
4.10 Sensor Operational Check (Function code 32)
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4.11 PC Print Function (Function code 43)
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4.12 Switching the USB Setting (Function code 45)
4.13 Pan-nordicSelect Country (Function code 52)
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4.15 Fine Adjustment of Scan Start/End Positions (Function code 54)
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4.17 Paper Feeding and Ejecting Test (Function code 67)
4.18EEPROM Customizing (Function code 74)
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4.19 Operational Check of Fans (Function code 78)
4.20 Display of the Machine’s Log Information (Function code 80)
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4.21 Error Code Indication (Function code 82)
4.22Output of Transmission Log to the Telephone Line (Function code 87)
4.24Maintenance Mode Finish (Function code 99)
5. OTHER SERVICE FUNCTIONS
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5.2Develop Roller / Developing Bias Voltage Counter Reset Function
5.3Drum condensation countermeasure mode
5.4Unlocking and Clearing the Password of the Function Lock / Setting Lock
5.5Clearing the Data of the Secure Print
CIRCUIT DIAGRAMS, WIRING DIAGRAM
CHAPTER 8 CIRCUIT DIAGRAMS, WIRING DIAGRAM
1. CIRCUIT DIAGRAMS
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2. WIRING DIAGRAM
FIRMWARE SWITCHES (WSW)
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DELETION OF USER SETTING INFORMATION, etc
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SERIAL NUMBERING SYSTEM
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SCREW CATALOGUE
Taptite bind B
Taptite cup B
Taptite pan (washer)
Screw pan (S/P washer)
Taptite B
REFERENCES
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GLOSSARY
