Brother Mfc- 8380dn Laser Printer Manuals

Manuals and User Guides for Brother Mfc- 8380dn Laser Printer. We have 1 Brother Mfc- 8380dn Laser Printer manual available for free PDF download: Service Manual

Brother Mfc- 8380dn Service Manual

Brother Mfc- 8380dn Service Manual (652 pages)

Laser FAX/MFC

Brand: Brother | Category: All in One Printer | Size: 20.79 MB

Table of Contents

Chapter 1 Specifications

14
- Service Manual
  1
- Models & Features
  3
- Table of Contents
  14
- Components
  15
- Specifications List
  16
  - Printing
    16
  - Functions
    19
  - Direct Print Feature
    24
  - Electronics and Mechanics
    26
  - Network Connectivity
    28
  - Wireless Network
    29
  - Service Information
    30
  - Paper
    31
    
    Paper Handling
    31
    
    Media Specifications
    32
    
    Type and Size of Paper
    34
  - Printable Area
    36
  - Print Speeds with Various Settings
    42
  - Telephone
    44
  - Fax
    45
  - List/Report
    47
  - Copy
    48
  - Document Scanner
    50
  - USB Host
    51
  - Theory of Operation
    52
Chapter 2 Theory of Operation

53
- Overview
  54
- Electronics
  55
  - General Block Diagram
    55
- Mechanics
  56
  - Cross-Section Drawing
    56
  - Scanner Mechanism
    59
    
    Document Scanner Unit
    60
    
    ADF Unit
    62
  - Paper Feeding
    69
    
    Plate-Up Function of the Paper Tray
    70
    
    Paper Supply
    71
    
    Paper Registration
    72
    
    Paper Eject
    73
    
    Duplex Printing
    74
    
    Paper Feeding from the LT Tray (Tray2)
    75
    
    Paper Feeding from the MP Tray
    75
  - Toner Cartridge
    76
    
    Methods for Detecting Toner Life
    76
    
    Cartridge Life
    77
    
    New Toner Detection
    78
  - Print
    81
    
    Basic Principle
    81
    
    Print Process
    82
  - Sensors Position
    87
Chapter 3 Error Indication and Troubleshooting

90
- Introduction
  92
  - Precautions
    92
  - Part Names
    93
  - Initial Check
    94
    
    Consumable Parts
    94
    
    Operating Environment
    94
    
    Power Supply
    94
- Distinguish Error Cause
  96
  - Error Indication
    96
  - Error Messages Appearing on the LCD
    96
3. Error Codes

100
- Error Codes
  100
- Paper Feeding Problems
  132
  - No Feeding
    132
  - Double Feeding
    132
  - Paper Jam
    133
  - Dirt on Paper
    135
  - Wrinkles or Creases
    135
  - Waves in the Paper / Folds in the Paper at the Eject Roller 2
    135
  - Curl in the Paper
    136
  - Prints Only Single Side of the Paper When Duplex-Printing
    136
- Troubleshooting for Print Image Defect from Pc/Usb/Fax Reception
  137
  - Image Defect Examples
    137
  - The Pitch Which Appears in the Image Caused by Failure of a Roller
    138
  - Troubleshooting for Image Defect
    139
    
    Faulty Registration
    140
    
    Poor Fixing
    142
    
    Image Distortion
    143
    
    Vertical Streaks
    145
    
    White Spots
    148
    
    Black Spots
    150
    
    Horizontal Lines
    151
- Software Setting Problems
  154
- Network Problems
  155
- Troubleshooting of the Communications Errors
  156
- Troubleshooting of the Control Panel
  162
- Troubleshooting of Fax Functions
  164
  - No Bell Ring
    166
- Document Feeding Problems
  168
  - No Feeding
    168
  - Double Feeding
    169
  - Paper Jam
    169
  - Wrinkles
    171
- Scanning Image Defect Troubleshooting
  172
  - Image Defect Examples
    172
  - Troubleshooting Image Defect
    172
- Others Problems
  176
  - Periodical Maintenance
    178
Chapter 4 Periodical Maintenance

179
- Periodical Maintenance Parts
  180
  - Procedures to Replace Periodical Maintenance Parts
    182
    
    Fuser Unit and Laser Unit
    182
    
    Installing Procedure
    195
    
    Paper Feeding Kit for Tray 1, 2
    237
    
    Paper Feeding Kit for MP Tray
    243
Chapter 5 Disassembly/Reassembly

249
- Safety Precautions
  254
  - Operating Procedure
    255
- Transferring Received Fax Data
  255
- Packing
  257
- Screw Torque List
  259
- Lubrication
  263
- Gear Layout Drawing
  266
- Harness Routing
  269
- Disassembly Flow Chart
  294
- Disassembly Procedure
  296
  - Paper Tray
    297
  - Back Cover
    300
  - Rear Chute ASSY
    302
  - Fuser Unit
    304
  - Tray MP ASSY
    308
  - MP Tray Cover ASSY / Process Cover ASSY / Emblem Cover
    309
  - Access Cover / Side Cover L
    313
  - ADF Unit
    314
    
    CCD Model
    314
    
    Hinge Arm R
    316
    
    Hinge Base R
    316
    
    ADF Cover ASSY
    317
    
    Hinge ASSY L
    317
    
    ADF Side Cover F
    318
    
    ADF Side Cover R
    318
    
    ADF Chute ASSY
    319
    
    Exit Chute Cover ASSY
    321
    
    Sub Chute ASSY (for the Models with the DX Only) / SX Chute (for the Models Without the DX Only)
    321
    
    Earth Spring
    322
    
    PF Roller Holder ASSY
    323
    
    LF Roller 1 ASSY
    324
    
    Switch Back Roller ASSY (for the Models with the DX Only)
    325
    
    ADF Motor
    327
    
    PF Solenoid ASSY (for the Models with the DX Only)
    328
    
    Switch Back Solenoid ASSY (for the Models with the DX Only)
    328
    
    ADF Relay PCB
    329
    
    Paper Feed Chute ASSY
    330
    
    Document Front Actuator 1
    331
    
    Document Front Actuator 2
    332
    
    ADF Film / Spring Plate ADF Front a ASSY / Separation Rubber / Rubber Holder / Separation Spring
    333
    
    Pressure Roller / LF Spring
    334
    
    LF Roller 2 ASSY
    335
    
    Document Exit Roller ASSY
    336
    
    LF Roller 3 ASSY
    337
    
    LF Roller 4 ASSY
    338
    
    Flap a (for the Models Without the DX)
    339
    
    Flap a ASSY (for the Models with the DX)
    339
    
    Document Hold / Document Hold Spring
    340
    
    Upper Main Chute ASSY / Lower Main Chute ASSY
    340
    
    Document Rear Actuator / Document Rear Sensor
    342
    
    Flap B
    343
    
    Switch Back Actuator / Switch Back Sensor (for the Models with the DX Only)
    344
    
    Document Cover Sensor
    345
    
    Document Eject Tray
    345
    
    Eject Roller B4
    346
    
    Pressure Roller
    347
    
    ADF Unit
    348
    
    CIS Model
    348
    
    Hinge Arm R
    350
    
    Hinge ASSY
    350
    
    ADF Cover ASSY
    351
    
    Adf
    352
    
    ADF Gear Cover
    352
    
    ADF Chute ASSY
    353
    
    Document Sponge Support
    354
    
    ADF Relay PCB ASSY
    355
    
    Motor Frame ASSY
    357
    
    ADF Motor
    358
    
    PF Solenoid ASSY
    358
    
    Exit Solenoid ASSY
    359
    
    Separate Roller Holder ASSY
    360
    
    Lower Document Chute ASSY
    362
    
    Document Front Actuator 2 / Document Front Sensor 2
    363
    
    Document Front Actuator 1 / Document Front Sensor 1
    364
    
    Pressure Roller
    365
    
    Separation Rubber
    367
    
    LF Roller 1 ASSY
    368
    
    LF Roller 2 ASSY
    369
    
    Document Exit Tray Sensor Cover ASSY
    370
    
    Document Eject Actuator / Document Eject Sensor
    371
    
    Document Exit Tray Roller Holder ASSY
    372
    
    Actuator Switch Back / Switch Back Sensor
    373
    
    Document Rear Actuator / Document Rear Sensor
    375
    
    LF2 Film
    376
    
    ADF Cover Open Sensor Holder
    377
    
    Document Exit Roller ASSY
    378
    
    Switch Back Roller ASSY
    379
    
    LF Roller 3 ASSY
    380
  - Panel Cover ASSY
    383
    
    CCD Model
    383
    
    CIS Model
    384
    
    Panel Cover ASSY
    384
  - Scanner Unit ASSY
    385
    
    CCD Model
    385
    
    Top Cover ASSY
    386
    
    CCD Module
    387
    
    Lock Lever B / Lock Lever ASSY
    387
    
    FFC Cable ASSY
    389
    
    Scanner Motor FB
    390
    
    Home Position Sensor
    391
    
    Pulley ASSY
    391
    
    CIS Model
    392
    
    Scanner Unit
    392
  - Panel Unit
    396
    
    CCD Model
    396
    
    Panel Unit
    397
    
    Panel PCB ASSY
    398
    
    Printed Rubber Key
    400
    
    LCD Cover / Backlight Module / LCD
    401
    
    CIS Model
    402
    
    Panel Unit
    402
    
    Back Light PCB ASSY
    404
    
    Panel PCB ASSY / Rubber Key R/C/L
    405
    
    LCD Holder / Panel Light Guide
    406
    
    Scanner Dress Cover L/R
    408
  - NCU PCB ASSY (for the Models with the NCU Only)
    409
    
    CCD Model
    409
    
    CIS Model
    412
    
    Ncu Pcb Assy
    412
  - Speaker ASSY
    416
    
    CCD Model
    416
    
    CIS Model
    417
    
    Speaker ASSY
    417
  - Driver PCB
    418
    
    CCD Model
    418
    
    CIS Model
    420
    
    Driver PCB
    420
  - Usb Host Pcb Assy
    421
  - Side Cover R
    423
  - Battery
    424
    
    CCD Model
    424
    
    Battery
    425
    
    CIS Model
    425
  - Joint Cover ASSY
    427
    
    CCD Model
    427
    
    CIS Model
    428
    
    Joint Cover ASSY
    428
    
    Pull Arm Guide
    429
    
    Joint Cover FL/FR
    430
    
    USB Host PCB ASSY
    431
    
    Inner Chute
    432
    
    Paper Stack Lever
    433
  - Main PCB
    434
  - Gear Plate Calking ASSY / Develop Joint / Main Motor ASSY
    436
  - Main Shield Plate ASSY
    438
  - Relay Rear PCB ASSY / LT Connector
    441
  - Relay Front PCB ASSY
    443
  - Drive Release Link
    444
  - MP Solenoid ASSY
    445
  - T1 Solenoid ASSY
    446
  - Toner Sensor PCB ASSY
    447
  - Register Solenoid ASSY
    448
  - Ejector Solenoid ASSY
    448
  - Front Cover Sensor ASSY
    449
  - New Toner Actuator
    449
  - Thermistor ASSY
    452
  - Filter
    453
  - Laser Unit
    454
  - LVPS PCB Unit
    455
  - High-Voltage PS PCB ASSY
    459
  - Wireless LAN PCB (PCB T60H989 ASSY 04) (Wireless LAN Model)
    461
  - Toner LED PCB Unit ASSY
    462
  - Fan Motor 60 Unit
    463
  - Fan Motor 60 Unit LV
    464
  - Frame L Assy
    465
  - MP Unit
    468
  - Regist Actuator Rear / Regist Actuator Spring
    474
  - Regist Actuator Front / Regist Actuator Spring
    476
  - Roller Holder ASSY
    477
  - PE Actuator / Edge Actuator / Edge Actuator Spring
    478
  - PE EG Sensor ASSY
    480
- Disassembly Procedure Optional Lower Tray (Lt-5300)
  482
  - Paper Tray
    482
  - LT Front Cover ASSY
    485
  - LT Rear Cover
    486
  - LT Side Cover L
    487
  - LT Side Cover R
    488
  - Lt Pcb Assy
    489
  - Gear 24 LT
    491
  - Collar 6
    492
  - LT Solenoid ASSY
    496
  - Roller Holder ASSY
    496
  - Edge Actuator Spring
    497
  - PE Actuator / Edge Actuator
    498
  - LT Sensor PCB ASSY
    499
    
    Required after Parts Replacement
    502
    
    If You Replace the Main Pcb
    503
    
    Rewriting the Firmware
    504
    
    If You Replace the Wireless Lan Pcb
    514
Chapter 7 Service Functions

517

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