Brother MFC-7480D Manuals

Manuals and User Guides for Brother MFC-7480D. We have 2 Brother MFC-7480D manuals available for free PDF download: Service Manual, Quick Setup Manual

Brother MFC-7480D Service Manual (307 pages)

Brand: Brother | Category: All in One Printer | Size: 19.9 MB

Service Manual
1
Open Source Licensing Remarks
3
Other Information
3
Table of Contents
4
Regulation

10
Safety Information

17
- Additional Information
  22
Chapter 1 Supplemental Specifications

25
General

25
Network Connectivity

29
Service Information

30
Supplies

31
Media Specifications

33
Fax (Only for the Models with Fax Function)

33
Copy

34
Scanner

35
Chapter 2 Error Indications & Troubleshooting

36
Introduction

36
- Precautions
  36
- Checks before Commencing Troubleshooting
  37
Overview

39
- Cross-Section Drawing
  39
  - Printer Part
    39
  - Scanner Part
    40
- Paper Feeding
  41
  - Printer Part
    41
  - Scanner Part
    42
- Operation of each Part
  43
- Block Diagram
  44
- Main Components
  45
Error Indications

46
- Error Codes
  47
- Error Messages
  54
  - 2-Line Display LCD Models
    54
  - Touch Panel Models
    58
- Communication Errors
  62
Troubleshooting

66
- Error Cause and Remedy
  66
- Troubleshooting for Paper Feeding Problems
  93
  - No Paper Is Fed from Paper Tray
    93
  - No Paper Is Fed from Manual Feed Slot
    94
  - Multiple Sheets of Paper Are Fed
    94
  - Paper Becomes Wrinkled
    95
  - Paper Is Fed at an Angle
    95
  - Paper Is Curled
    96
  - Duplex Printing Is Not Possible
    96
  - Paper Jam
    97
- Troubleshooting for Image Defects
  101
  - Image Defect Examples
    101
  - Troubleshooting According to Image Defect
    102
    
    Poor Fixing
    103
    
    Image Distortion
    104
    
    Faint Print
    108
    
    White Spots
    109
    
    Horizontal Lines
    111
- Troubleshooting for Software Problems
  113
  - Cannot Receive Data
    113
- Troubleshooting for Network Problems
  114
  - Cannot Print Via Network Connection
    114
  - Cannot Connect to Access Point
    114
- Troubleshooting for Control Panel Problems
  115
  - Nothing Is Displayed on the LCD
    115
  - Nothing Is Displayed on the LED
    115
  - Control Panel Is Inoperable
    116
- Troubleshooting for Toner and Drum Problems
  117
- Troubleshooting for Fuser Unit Problems
  119
  - Fuser Unit Failure
    119
- Troubleshooting for Laser Unit Problems
  119
  - Laser Unit Failure
    119
- Troubleshooting for PCB Problems
  120
  - Main PCB Failure
    120
  - Memory Full
    120
  - Print Limit / ID Authentification Error
    120
- Troubleshooting for Document Feeding Problems
  121
  - No Document Is Fed
    121
  - Multiple Documents Are Fed
    121
  - Document Jam
    122
  - Document Becomes Wrinkled
    123
  - Document Size Is Not Detected Correctly
    123
- Troubleshooting for Image Defects
  124
  - Defect Examples
    124
  - Troubleshooting According to Image Defect
    124
  - Faulty Registration
    125
- Troubleshooting for Fax Problems
  129
  - Fax Cannot be Sent
    129
  - Fax Cannot be Received
    130
  - Telephone Communication Is Unavailable
    130
  - Communication Error Occurs
    131
- Troubleshooting for Other Problems
  132
  - Cannot Print
    132
  - Cannot Update Firmware
    132
  - Machine Is Not Turned on
    133
Chapter 3 Disassembly/Reassembly

134
Safety Precautions

134
Packing

135
Screw Catalogue

136
Screw Torque List

137
Lubrication

139
Overview of Gears

140
Harness Routing

142
Disassembly Flow Chart

155
Disassembly Procedure

156
- Preparation
  156
- Cord Hook
  158
- Back Cover
  159
- Outer Chute ASSY
  160
- Front Cover ASSY, Support Flap
  161
- Side Cover R
  162
- Fuser Cover
  163
- Inner Chute ASSY
  164
- Side Cover L, Handset Holder ASSY (for Models with Handset)
  165
- Pull Arm L, Pull Arm R, Pull Arm Spring
  167
- Document Scanner Unit
  168
- ADF Unit (for Models with ADF)
  170
- Document Cover ASSY (for Models Without ADF)
  189
- Panel Unit (for Models with Touch Panel)
  191
  - Panel Unit
    191
  - Panel PCB ASSY, LCD
    192
  - Touch Panel ASSY
    193
- Panel Unit (for Models Without Touch Panel)
  194
  - Panel Unit
    194
  - Panel PCB ASSY
    195
  - Lcd
    196
- First Side CIS Unit, First Side CIS Flat Cable
  197
- Lock Claw, Pull Arm Guide
  203
- Modem PCB ASSY
  204
- Speaker Unit
  206
- Joint Cover ASSY
  207
- Fuser Unit
  208
- Low-Voltage Power Supply PCB ASSY
  210
- Fan
  212
- High-Voltage Power Supply PCB ASSY
  213
- Filter
  215
- Laser Unit
  216
- Wireless LAN PCB (Wireless Network Models Only)
  218
- Roller Holder ASSY
  219
- Main PCB ASSY
  220
- T1 Clutch and Registration Clutch
  221
- New Toner Sensor PCB ASSY
  222
- Main Frame L ASSY
  223
- Main Motor
  225
- Fuser Gear 67R/40R
  227
- Eject Sensor PCB ASSY
  228
- Registration Front/Rear Actuator Holder ASSY
  230
Chapter 4 Adjusting and Updating Settings as Required after Parts Replacement

233
If You Replace the Main Pcb Assy

233
If You Replace the Low-Voltage Power Supply Pcb Assy

238
- Reset Irregular Power Supply Detection Counter of the Low-Voltage Power Supply PCB (Function Code: 88)
  238
If You Replace the Laser Unit

239
- Entering Adjusted Value of Laser Unit
  240
If You Replace the Panel Unit or Panel Pcb Unit

241
If You Replace the First Side Cis Unit or Document Scanner Unit

243
- Acquiring White Level Data (Function Code: 55)
  243
- Scanning and Printing Check
  243
If You Replace the Adf Unit or Second Side Cis Unit

244
- Acquiring White Level Data (Function Code: 55) (Duplex Scanning Models Only)
  244
- Scanning and Printing Check
  244
Chapter 5 Service Functions

245
Function Code

245
Other Service Functions

297
- Print Communication Error List
  297
Chapter 6 Wiring Diagram

298
Chapter 7 Periodical Maintenance

299
Periodical Replacement Parts

299
Appendix 1 Serial Numbering System

300
Appendix 2 Deleting User Setting Information

301
Appendix 3 Installing the Maintenance Printer Driver

302

Brother MFC-7480D Quick Setup Manual (2 pages)

Brand: Brother | Category: All in One Printer | Size: 1.21 MB

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Brother MFC-7480D Manuals

Brother MFC-7480D Service Manual (307 pages)

Table of Contents

Regulation

Safety Information

Chapter 1 Supplemental Specifications

General

Network Connectivity

Service Information

Supplies

Media Specifications

Fax (Only for the Models with Fax Function)

Copy

Scanner

Chapter 2 Error Indications & Troubleshooting

Introduction

Overview

Error Indications

Troubleshooting

Chapter 3 Disassembly/Reassembly

Safety Precautions

Packing

Screw Catalogue

Screw Torque List

Lubrication

Overview of Gears

Harness Routing

Disassembly Flow Chart

Disassembly Procedure

Chapter 4 Adjusting and Updating Settings as Required after Parts Replacement

If You Replace the Main Pcb Assy

If You Replace the Low-Voltage Power Supply Pcb Assy

If You Replace the Laser Unit

If You Replace the Panel Unit or Panel Pcb Unit

If You Replace the First Side Cis Unit or Document Scanner Unit

If You Replace the Adf Unit or Second Side Cis Unit

Chapter 5 Service Functions

Function Code

Other Service Functions

Chapter 6 Wiring Diagram

Chapter 7 Periodical Maintenance

Periodical Replacement Parts

Appendix 1 Serial Numbering System

Appendix 2 Deleting User Setting Information

Appendix 3 Installing the Maintenance Printer Driver

Brother MFC-7480D Quick Setup Manual (2 pages)

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