Brother DCP-8070D, DCP-8080DN, DCP-8085DN, MFC-8370DN, MFC-8380DN, MFC-8480DN, MFC-8880DN, MFC-8890DW Laser FAX-MFC, Service Manual

This manual for the Brother DCP-8070D, DCP-8080DN, DCP-8085DN, MFC-8370DN, MFC-8380DN, MFC-8480DN, MFC-8880DN, MFC-8890DW Laser FAX-MFC provides detailed diagrams, pictures, and procedures for diagnosing and repairing the copier. It is useful for both professional mechanics and DIY enthusiasts. You can print, zoom, or read any diagram, picture, or page from this Service Manual.

The manual includes the following chapters:

• CHAPTER 1. SPECIFICATIONS
  • Components
  • Specifications List
    • Printing
    • Functions
    • Electronics and Mechanics
    • Network Connectivity
    • Service Information
    • Paper
      • Paper handling
      • Media specifications
      • Type and size of paper
    • Printable Area
    • Print Speeds with Various Settings
    • Telephone
    • Fax
    • List/Report
    • Copy
    • Document Scanner
    • USB Host
• CHAPTER 2. THEORY OF OPERATION
  • Overview
  • Electronics
    • General Block Diagram
  • Mechanics
    • Cross-section Drawing
    • Scanner Mechanism
      • Document scanner unit
      • ADF unit
    • Paper Feeding
      • Plate-up Function of the Paper Tray
      • Paper supply
      • Paper registration
      • Paper eject
      • Duplex printing
      • Paper feeding from the MP tray
      • Paper feeding from the LT tray (Tray2)
    • Toner Cartridge
      • Methods for Detecting Toner Life
      • Cartridge life
      • New toner detection
    • Print
      • Basic Principle
      • Print Process
    • Sensors position
• CHAPTER 3. ERROR INDICATION AND TROUBLESHOOTING
  • Introduction
  • Distinguish Error Cause
    • Error Indication
      • Error messages appearing on the LCD
  • Error Codes
    • Error Indication
    • Error Code Cause and Remedy
  • Paper Feeding Problems
    • No Feeding
    • Double Feeding
    • Paper Jam
    • Dirt on Paper
    • Wrinkles or creases
    • Waves in the paper / folds in the paper at the eject roller 2
    • Prints only single side of the paper when duplex-printing
  • Troubleshooting for Print Image Defect from PC/USB/Fax Reception
    • Image Defect Examples
    • The pitch which appears in the image caused by failure of a roller
    • Troubleshooting for image Defect
  • Software Setting Problems
  • Network Problems
  • Troubleshooting of the Communications Errors
  • Troubleshooting of the Control Panel
  • Troubleshooting of Fax Functions
  • Document Feeding Problems
    • No Feeding
    • Double Feeding
    • Paper Jam
    • Wrinkles
  • Scanning Image Defect Troubleshooting
    • Image Defect Examples
    • Troubleshooting Image Defect
  • Others Problems
• CHAPTER 4. PERIODICAL MAINTENANCE
  • Periodical Maintenance Parts
    • Periodical Maintenance Parts
    • Procedures to Replace Periodical Maintenance Parts
      • Fuser unit and laser unit
      • Paper feeding kit for tray 1, 2
      • Paper feeding kit for MP tray
• CHAPTER 5. DISASSEMBLY/REASSEMBLY
  • Safety Precautions
  • Transferring Received Fax Data
  • Packing
  • Screw Torque List
  • Lubrication
  • Gear Layout Drawing
  • Harness Routing
  • Disassembly Flow Chart
  • Disassembly Procedure
    • Paper Tray
    • Back Cover
    • Rear Chute ASSY
    • Fuser Unit
    • Tray MP ASSY
    • MP Tray Cover ASSY / Process Cover ASSY / Emblem cover
    • Access Cover / Side Cover L
    • ADF Unit
      • CCD model
      • Hinge Arm R
  • Disassembly Procedure Optional Lower Tray (LT-5300)
    • Paper Tray
    • LT Front Cover ASSY
    • LT Rear Cover
    • LT Side Cover L
    • LT Side Cover R
    • LT PCB ASSY
• CHAPTER 6. ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
  • If You Replace the Main PCB
  • If You Replace the Wireless LAN PCB
  • If You Replace the Document Scanner Unit
• CHAPTER 7. SERVICE FUNCTIONS
  • Entry into the Maintenance Mode
  • List of Maintenance-Mode Functions
  • User-Access to the Maintenance Mode
  • Detailed Description of Maintenance-Mode Functions
    • EEPROM Parameter Initialization (Function code 01/91)
    • Printout of Scanning Compensation Data (Function code 05)
  • Other Service Functions
    • Resetting the Periodical Maintenance Parts Life
    • Develop Roller / Developing Bias Voltage Counter Reset Function
    • Drum condensation countermeasure mode
    • Unlocking and Clearing the Password of the Function Lock / Setting Lock
    • Clearing the Data of the Secure Print
• CHAPTER 8. CIRCUIT DIAGRAMS, WIRING DIAGRAM
  • Circuit Diagrams
  • Wiring Diagram

Numbers of pages: 651