User Manuals: Brother MFC-7450 All-in-One Printer

Manuals and User Guides for Brother MFC-7450 All-in-One Printer. We have 5 Brother MFC-7450 All-in-One Printer manuals available for free PDF download: Service Manual, User Manual, Quick Setup Manual

Brother MFC-7450 Service Manual (315 pages)

Laser Multi-Function Center

Brand: Brother | Category: All in One Printer | Size: 12.87 MB

Service Manual
1
Table of Contents
5
Regulation

10
- Internal Laser Radiation
  11
- Additional Information
  14
Safety Information

14
Chapter 1 Troubleshooting

19
- Introduction
  19
  - Precautions
    19
  - Part Names
    20
  - Initial Check
    22
- Error Cause
  24
  - Error Indication
    24
  - Error Code Cause and Remedy
    25
    
    Recoverable User Check Errors
    25
    
    Service Call Error
    25
    
    Error Code
    26
- Paper Feeding Problems
  41
  - No Feeding
    41
  - Double Feeding
    41
  - Paper Jam
    42
  - Dirt on Paper
    43
  - Wrinkles or Creases
    43
  - Waves in the Paper / Folds in the Paper at the Eject Roller 2
    43
  - Curl in the Paper
    44
- Troubleshooting of Document Feeding
  45
  - No Feeding
    45
  - Double Feeding
    45
  - Paper Jam
    46
- IMAGE DEFECT TROUBLESHOOTING (Defect of the Print)
  47
  - Image Defect Examples
    47
  - Diameter of Rollers
    47
  - Troubleshooting Image Defect
    48
    
    Faulty Registration
    49
    
    White Spots
    56
    
    Black Spots
    58
    
    Horizontal Lines
    59
- Troubleshooting of Scannig
  61
- Software Setting Problems
  63
- Network Problems
  64
- Troubleshooting of the Communications Error
  65
- Troubleshooting of the Control Panel
  69
- Troubleshooting of Fax Functions
  71
- Others Problems
  75
Chapter 2 Periodical Maintenance

77
- Consumable Parts
  77
- Periodical Peplacement Parts
  78
Chapter 3 Disassembly and Assembly

79
- Safety Precautions
  79
- Packing
  80
- Screw Torque List
  81
- Lubrication
  83
- Overview of Gears
  86
- Harness Routing
  87
- Disassembly Flow
  93
- Disassembly Procedure
  94
  - Separation Pad Assy
    95
  - Front Cover Assy
    96
    
    Paper Stopper L / Paper Stopper S
    98
  - Back Cover / Outer Chute Assy
    99
    
    Back Cover
    99
    
    Outer Chute Assy
    100
  - Fuser Cover Assy
    101
    
    Eject Actuator / Eject Actuator Spring
    102
    
    Eject Roller Assy 1 / Bush C / Bush R / Bush L
    103
  - Joint Cover Sub Chute Assy
    104
  - Inner Chute Assy
    105
  - Fuser Unit
    106
  - Corner Cover
    108
  - Side Cover L Assy / Side Cover Sub L
    109
    
    Side Cover L Assy
    109
    
    Side Cover Sub L
    110
  - Main Shield Cover Plate
    110
  - Adf Unit
    111
    
    Hinge R / Hinge Arm / Hinge Assy L
    113
    
    Adf Cover Assy
    114
    
    Gear Cover
    114
    
    Document Separator Roller Shaft Assy
    115
    
    Upper Document Chute Assy
    116
    
    Lower Document Chute Assy
    118
    
    Adf Sensor Pcb Assy
    119
    
    Lf Roller Assy
    121
    
    10Ejection Roller Assy
    122
    
    11Drive Frame Assy
    123
    
    12Adf Motor
    124
    
    13Pressure Roller Assy
    125
    
    14Document Stopper
    126
    
    15Document Dress Cover
    127
  - Document Scanner Unit
    128
    
    Cord Hook
    130
    
    Panel Unit
    130
    
    Panel Pcb Assy
    131
    
    Rubber Keys L/R
    131
    
    Lcd
    132
    
    Panel Dress Cover
    132
    
    Address Label
    133
  - Pull Arm L/R
    134
  - Pull Arm Guide
    135
  - Ncu Pcb
    136
  - Speaker Unit
    137
  - Battery Assy
    139
  - Side Cover R Assy
    140
  - Registration Grounding Spring
    141
  - Roller Holder Assy
    142
  - WIRELESS LAN PCB ASSY (Only MFC7840W)
    144
  - Main Pcb Assy
    145
  - Joint Cover Assy / Paper Supporter
    146
  - Eject Roller Assy 2
    147
  - High-Voltage Ps Pcb Assy
    148
  - New Toner Sensor Harness Assy
    149
  - Filter Assy
    150
  - Laser Unit
    151
  - Fan Motor 60 Unit / Cover Sensor Harness Assy / Toner Led Pcb Assy
    153
    
    Fan Motor 60 Unit
    153
    
    Cover Sensor Harness Assy
    154
    
    Toner Led Pcb Assy
    155
  - Lvps
    156
    
    Lvps Pcb Unit
    156
    
    Lv Shield Plate 2
    158
  - Registration Front Sensor Pcb Assy
    159
  - Registration Rear Sensor Pcb Assy
    163
  - Drive Sub Assy
    166
  - Dev Joint / Dev Gear Joint/53R / Registration Pendulum Gear Spring
    168
  - Thermistor Harness Unit
    169
  - Toner Sensor Pcb Unit Assy
    170
  - Registration Solenoid / T1 Solenoid
    171
    
    Registration Solenoid
    171
    
    T1 Solenoid
    173
  - Main Shield Plate / Eject Sensor Pcb Assy
    174
  - Rubber Foot
    178
  - Main Frame L Assy
    179
Chapter 4 Adjustments and Updating of Settings, Required after Parts Replacement

184
- If You Replace the Main Pcb
  184
- If You Replace the Wireless Lan Pcb
  194
- If You Replace the Laser Unit
  195
- If You Replace the Fb Unit
  196
Chapter 5 Service Functions

197
- Maintenance Mode
  197
- Other Service Functions
  231
  - User Maintenance Mode
    231
  - Resetting the Developing Bias Voltage Counter
    232
Chapter 6 Circuit Diagrams, Wiring Diagram

233
APPENDIX 1 WORKER SWITCH Settings (WSW)

240

Brother MFC-7450 User Manual (194 pages)

Brand: Brother | Category: All in One Printer | Size: 11.31 MB

Compilation and Publication Notice
3
Table of Contents
5
1 General Information

12
2 Loading Paper and Documents

19
3 General Setup

31
- Mode Timer
  31
- Paper Settings
  31
  - Paper Type
    31
  - Paper Size
    31
- Volume Settings
  32
  - Ring Volume
    32
  - Beeper Volume
    32
  - Speaker Volume
    32
- Setting Daylight Savings Time
  33
- Ecology Features
  33
  - Toner Save
    33
  - Sleep Time
    33
- LCD Contrast
  33
- Dial Prefix
  34
  - Setting up the Prefix Number
    34
  - Changing the Prefix Number
    34
4 Security Features

35
- Security
  35
- Restricting Dialling
  42
  - Dial Pad Restriction
    42
  - One Touch Restriction
    42
  - Speed Dial Restriction
    42
5 Sending a Fax

44
- How to Fax
  44
- Broadcasting
  45
  - Cancelling a Broadcast in Progress
    45
- Additional Sending Operations
  46
  - Sending Faxes Using Multiple Settings
    46
  - Electronic Cover Page
    46
  - Contrast
    47
  - Changing Fax Resolution
    48
  - Dual Access
    48
  - Real Time Transmission
    48
  - Overseas Mode
    49
  - Delayed Fax
    49
  - Delayed Batch Transmission
    49
  - Checking and Cancelling Waiting Jobs
    50
  - Sending a Fax Manually
    50
  - Out of Memory Message
    50
6 Receiving a Fax

51
- Receive Modes
  51
  - Choosing the Receive Mode
    51
- Using Receive Modes
  52
  - Fax Only
    52
  - Fax/Tel
    52
  - Manual
    52
  - External TAD
    52
- Receive Mode Settings
  53
  - Ring Delay
    53
  - F/T Ring Time (Fax/Tel Mode Only)
    53
  - Fax Detect
    53
  - Setting the Print Density
    54
- Additional Receiving Operations
  54
7 Telephone and External Devices

56
8 Dialling and Storing Numbers

66
- How to Dial
  66
  - Manual Dialling
    66
  - One Touch Dialling
    66
  - Speed Dialling
    66
  - Search
    66
  - Fax Redial
    67
- Storing Numbers
  67
9 Remote Fax Options

71
- Fax Forwarding
  71
- Fax Storage
  71
- PC Fax Receive
  72
- Changing Remote Fax Options
  73
  - Turning off Remote Fax Options
    73
  - Remote Retrieval
    74
    
    Setting a Remote Access Code
    74
    
    Using Your Remote Access Code
    74
    
    Retrieving Fax Messages
    75
    
    Changing the Fax Forwarding Number
    75
  - Remote Fax Commands
    76
- 10 Polling
  
  77
  - Polling Receive
    77
    
    Secure Polling
    77
    
    Delayed Polling
    77
    
    Sequential Polling
    78
  - Polled Transmit
    78
    
    Setup for Polled Transmit
    78
    
    Setup for Polled Transmit with a Secure Code
    79
- 11 Printing Reports
  
  80
  - Fax Reports
    80
    
    Transmission Verification Report
    80
    
    Fax Journal
    80
  - Reports
    81
    
    How to Print a Report
    81
Section III Copy

83
- 12 Making Copies
  
  84
- How to Copy
  84
  - Entering Copy Mode
    84
  - Making a Single Copy
    84
  - Making Multiple Copies
    84
  - Stop Copying
    84
- Copy Options (Temporary Settings)
  85
  - Enlarging or Reducing the Image Copied
    85
  - Using the Options Key
    86
  - Improving Copy Quality
    87
  - Sorting Copies Using the ADF
    87
  - Adjusting Contrast
    88
  - Making N in 1 Copies
    88
- Out of Memory Message
  89
Section IV Software

91
- 13 Software and Network Features
  
  92
- How to Read HTML User's Guide
  92
  - For Windows
    92
  - For Macintosh
    93
A Safety and Legal

96
- Choosing a Location
  96
- Important Information
  97
  - Safety Precautions
    97
  - IEC60825-1+A2:2001 Specification
    100
  - Disconnect Device
    100
  - LAN Connection (for MFC-7440N, MFC-7840N and MFC-7840W)
    100
  - Radio Interference
    100
  - International ENERGY STAR Compliance Statement
    101
  - Important Information for Australia
    101
    
    IMPORTANT-For Your Safety
    101
    
    Important Safety Instructions
    101
  - Important Information for New Zealand
    103
    
    Important Safety Instructions
    103
    
    IMPORTANT-For Your Safety
    105
    
    Important Notice
    105
  - Important Information for some Countries
    106
    
    Important Safety Instructions
    106
  - Legal Limitations for Copying
    108
  - Trademarks
    109
B Troubleshooting and Routine Maintenance

110
- Troubleshooting
  110
  - If You Are Having Difficulty with Your Machine
    110
    
    Sending Faxes
    111
    
    Handling Incoming Calls
    111
    
    Menu Access Difficulties
    112
    
    Copy Quality Difficulties
    112
    
    Print Quality Difficulties
    114
  - Improving the Print Quality
    117
  - Setting Dial Tone Detection
    122
  - Telephone Line Interference
    123
  - Error and Maintenance Messages
    124
    
    Transferring Your Faxes or Fax Journal Report
    128
    
    Document Jams
    130
    
    Paper Jams
    131
  - Routine Maintenance
    135
    
    Cleaning the Outside of the Machine
    136
    
    Cleaning the Scanner Glass
    137
    
    Cleaning the Laser Scanner Window
    138
    
    Cleaning the Corona Wire
    139
    
    Cleaning the Drum Unit
    141
  - Replacing the Consumable Items
    144
    
    Replacing a Toner Cartridge
    144
    
    Replacing the Drum Unit
    147
  - Machine Information
    150
    
    Checking the Serial Number
    150
    
    Checking the Page Counters
    150
    
    Checking the Drum Life
    150
- Packing and Shipping the Machine
  151
C Menu and Features

152
- On-Screen Programming
  152
  - Menu Table
    152
  - Memory Storage
    152
- Menu Keys
  152
  - How to Access the Menu Mode
    153
- Menu Table
  154
- Entering Text
  167
D Specifications

168
- General
  168
- Print Media
  170
- Fax
  171
- Copy
  173
- Scan
  174
- Print
  175
- Interfaces
  175
- Computer Requirements
  176
- Consumable Items
  178
- Ethernet Wired Network (MFC-7440N, MFC-7840N and MFC-7840W )
  179
- Ethernet Wireless Network (MFC-7840W Only)
  180
E Glossary

184
Index

188
- For Australia Only
  193

Brother MFC-7450 User Manual (175 pages)

Brand: Brother | Category: Printer | Size: 10.12 MB

Approval Information
3
Compilation and Publication Notice
3
Table of Contents
4
1 General Information

12
2 Loading Paper and Documents

19
3 General Setup

30
- Mode Timer
  30
- Paper Settings
  30
  - Paper Type
    30
  - Paper Size
    30
- Volume Settings
  31
  - Ring Volume
    31
  - Beeper Volume
    31
  - Speaker Volume
    31
- Ecology Features
  31
  - Toner Save
    31
  - Sleep Time
    32
- LCD Contrast
  32
- Setting the Fax Logic
  32
- Dial Prefix
  33
  - Setting up the Prefix Number
    33
  - Changing the Prefix Number
    33
4 Security Features

34
- Security
  34
  - TX Lock (MFC-7340 Only)
    34
  - Turning the TX Lock On/Off
    35
  - Memory Security (MFC-7450 Only)
    35
  - Secure Function Lock (MFC-7840N Only)
    37
  - Switching Users
    39
  - Setting Lock
    40
- Restricting Dialling
  41
  - Dial Pad Restriction
    41
  - One Touch Restriction
    41
  - Speed Dial Restriction
    41
5 Sending a Fax

44
- How to Fax
  44
- Broadcasting
  45
  - Cancelling a Broadcast in Progress
    45
- Additional Sending Operations
  46
  - Sending Faxes Using Multiple Settings
    46
  - Electronic Cover Page
    46
  - Contrast
    47
  - Changing Fax Resolution
    48
  - Dual Access
    48
  - Real Time Transmission
    48
  - Overseas Mode
    49
  - Delayed Fax
    49
  - Delayed Batch Transmission
    49
  - Checking and Cancelling Waiting Jobs
    50
  - Sending a Fax Manually
    50
  - Out of Memory Message
    50
6 Receiving a Fax

51
- Receive Modes
  51
  - Choosing the Receive Mode
    51
- Using Receive Modes
  52
  - Fax Only
    52
  - Fax/Tel
    52
  - Manual
    52
  - External TAD
    52
- Receive Mode Settings
  53
  - Ring Delay
    53
  - F/T Ring Time (Fax/Tel Mode Only)
    53
  - Fax Detect
    53
  - Setting the Print Density
    54
- Additional Receiving Operations
  54
7 Telephone and External Devices

56
8 Dialling and Storing Numbers

62
- How to Dial
  62
  - Manual Dialling
    62
  - One Touch Dialling
    62
  - Speed Dialling
    62
  - Search
    62
  - Fax Redial
    63
- Storing Numbers
  63
  - Storing a Pause
    63
  - Storing One Touch Dial Numbers
    63
  - Storing Speed Dial Numbers
    64
  - Changing One Touch and Speed Dial Numbers
    65
  - Setting up Groups for Broadcasting
    65
  - Combining Quick Dial Numbers
    66
  - Tone or Pulse
    66
9 Remote Fax Options

67
- Fax Forwarding
  67
- Fax Storage
  67
- PC Fax Receive
  68
- Changing Remote Fax Options
  69
  - Turning off Remote Fax Options
    69
- Remote Retrieval
  70
  - Setting a Remote Access Code
    70
    
    Using Your Remote Access Code
    70
    
    Retrieving Fax Messages
    71
    
    Changing the Fax Forwarding Number
    71
  - Remote Fax Commands
    72
- 10 Polling
  
  73
  - Polling Receive
    73
    
    Secure Polling
    73
    
    Delayed Polling
    73
    
    Sequential Polling
    74
  - Polled Transmit
    74
    
    Setup for Polled Transmit
    74
    
    Setup for Polled Transmit with a Secure Code
    75
- 11 Printing Reports
  
  76
  - Fax Reports
    76
    
    Transmission Verification Report
    76
    
    Fax Journal
    76
  - Reports
    77
    
    How to Print a Report
    77
Section III Copy

79
- 12 Making Copies
  
  80
- How to Copy
  80
  - Entering Copy Mode
    80
  - Making a Single Copy
    80
  - Making Multiple Copies
    80
  - Stop Copying
    80
- Copy Options (Temporary Settings)
  81
  - Enlarging or Reducing the Image Copied
    81
  - Using the Options Key
    82
  - Improving Copy Quality
    83
  - Sorting Copies Using the ADF
    83
  - Adjusting Contrast
    84
  - Making N in 1 Copies
    84
- Out of Memory Message
  85
Section IV Software

87
- 13 Software and Network (MFC-7840N Only) Features
  
  88
- How to Read HTML User's Guide
  88
  - For Windows
    88
  - For Macintosh
    89
Safety and Legal

92
- Choosing a Location
  92
- Important Information
  93
  - Safety Precautions
    93
  - IEC60825-1+A2:2001 Specification
    96
  - Disconnect Device
    96
  - LAN Connection (MFC-7840N Only)
    96
  - Radio Interference
    96
  - International ENERGY STAR Compliance Statement
    97
  - Important Safety Instructions
    97
  - Legal Limitations for Copying
    99
  - Trademarks
    100
Troubleshooting and Routine Maintenance Troubleshooting

101
- If You Are Having Difficulty with Your Machine
  101
  - Sending Faxes
    102
  - Print Quality Difficulties
    105
- Improving the Print Quality
  108
- B Troubleshooting and Routine Maintenance
  113
- Setting Dial Tone Detection
  113
- Telephone Line Interference
  114
- Error and Maintenance Messages
  115
  - Transferring Your Faxes or Fax Journal Report
    120
  - Document Jams
    121
  - Paper Jams
    122
  - Routine Maintenance
    126
    
    Cleaning the Outside of the Machine
    126
    
    Cleaning the Scanner Glass
    127
    
    Cleaning the Laser Scanner Window
    128
    
    Cleaning the Corona Wire
    130
    
    Cleaning the Drum Unit
    132
  - Replacing the Consumable Items
    134
    
    Replacing a Toner Cartridge
    134
    
    Replacing the Drum Unit
    137
  - Machine Information
    140
    
    Checking the Serial Number
    140
    
    Checking the Page Counters
    140
    
    Checking the Drum Life
    140
  - Packing and Shipping the Machine
    141
Menu and Features

142
- On-Screen Programming
  142
  - Menu Table
    142
  - Memory Storage
    142
  - Menu Keys
    142
    
    How to Access the Menu Mode
    143
  - Menu Table
    144
  - Entering Text
    153
D Specifications

154
- General
  154
- Print Media
  156
- Fax
  157
- Copy
  159
- Scan
  160
- Print
  161
- Interfaces
  161
- Computer Requirements
  162
- Consumable Items
  164
- Ethernet Wired Network (MFC-7840N Only)
  165
E Glossary

166
Index

169

Brother MFC-7450 Service Manual (64 pages)

Laser Multifunction Center

Brand: Brother | Category: All in One Printer | Size: 1.82 MB

Table of Contents
3
Reference 1 Specifications

5
- Components
  5
- Printer Part
  5
- Specifications List
  7
  - Printing
    7
  - Functions
    9
  - Electronics and Mechanics
    13
  - Network Connectivity
    14
  - Service Information
    17
  - Paper
    18
    
    Paper Handling
    18
    
    Media Specifications
    18
    
    Type and Size of Paper
    19
  - Printable Area
    20
    
    Pcl5E Emulation
    20
    
    PCL6 Emulation
    24
  - Print Speeds with Various Settings
    24
  - Telephone
    25
  - Fax
    27
  - Copy
    32
  - Scanner
    33
  - Service (Not to be Used in Sales Leaflet)
    35
Reference 2 Theory of Operation

36
- General Block Diagram
  36
- Electronics General Block Diagram
  37
- Mechanics
  38
  - Cross-Section Drawing
    38
  - Paper Feeding
    40
    
    Plate-Up Function of the Paper Tray
    41
    
    Paper Supply
    42
    
    Paper Registration
    43
    
    Paper Eject
    44
    
    Paper Feeding from the Manual Feed Slot/Paper Eject from the Back
    45
  - Adf
    46
  - Toner Cartridge
    49
    
    Methods for Detecting and Counting Toner Life
    49
    
    Toner Life End
    50
    
    New Toner Detection
    53
  - Print
    55
    
    Basic Principle
    55
    
    Print Process
    56
Appendix 1 Toner Cartridge Weight Information

61
Appendix 2 Glossary

62
Appendix 3 References

64

Brother MFC-7450 Quick Setup Manual (32 pages)

Brother All in One Printer Quick Setup Guide

Brand: Brother | Category: Fax Machine | Size: 5.59 MB

Brother Categories

Sewing Machine

All in One Printer

Printer Label Maker Fax Machine

More Brother Manuals

User Manuals: Brother MFC-7450 All-in-One Printer

Brother MFC-7450 Service Manual (315 pages)

Table of Contents

Regulation

Safety Information

Chapter 1 Troubleshooting

Chapter 2 Periodical Maintenance

Chapter 3 Disassembly and Assembly

Chapter 4 Adjustments and Updating of Settings, Required after Parts Replacement

Chapter 5 Service Functions

Chapter 6 Circuit Diagrams, Wiring Diagram

APPENDIX 1 WORKER SWITCH Settings (WSW)

Brother MFC-7450 User Manual (194 pages)

Table of Contents

1 General Information

2 Loading Paper and Documents

3 General Setup

4 Security Features

5 Sending a Fax

6 Receiving a Fax

7 Telephone and External Devices

8 Dialling and Storing Numbers

9 Remote Fax Options

10 Polling

11 Printing Reports

Section III Copy

12 Making Copies

Section IV Software

13 Software and Network Features

A Safety and Legal

B Troubleshooting and Routine Maintenance

C Menu and Features

D Specifications

E Glossary

Index

Brother MFC-7450 User Manual (175 pages)

Table of Contents

1 General Information

2 Loading Paper and Documents

3 General Setup

4 Security Features

5 Sending a Fax

6 Receiving a Fax

7 Telephone and External Devices

8 Dialling and Storing Numbers

9 Remote Fax Options

10 Polling

11 Printing Reports

Section III Copy

12 Making Copies

Section IV Software

13 Software and Network (MFC-7840N Only) Features

Safety and Legal

Troubleshooting and Routine Maintenance Troubleshooting

Menu and Features

D Specifications

E Glossary

Index

Brother MFC-7450 Service Manual (64 pages)

Table of Contents

Reference 1 Specifications

Reference 2 Theory of Operation

Appendix 1 Toner Cartridge Weight Information

Appendix 2 Glossary

Appendix 3 References

Brother MFC-7450 Quick Setup Manual (32 pages)

Table of Contents

Getting Started

STEP 1 - Setting up the Machine

Step 2

For Network Users

Consumables and Options

Related Products

Brother Categories