Brother HL-2440 Manuals

Brother HL-2440 Manuals

Manuals and User Guides for Brother HL-2440. We have 1 Brother HL-2440 manual available for free PDF download: Service Manual

Brother HL-2440 Service Manual

Brother HL-2440 Service Manual (177 pages)

Laser Printer

Brand: Brother | Category: Printer | Size: 8.91 MB

Table of Contents

Service Manual
1
Table of Contents
5
Regulation

8
- Internal Laser Radiation
  9
- Additional Information
  12
Safety Information

12
- Safety Precautions
  14
Chapter 1 Troubleshooting

16
- Introduction
  16
  - Precautions
    16
  - Part Names
    17
  - Initial Check
    18
- Distinguish Error Cause
  20
  - LED Indication
    20
    
    LED Indication at Operator Calls
    20
    
    LED Indication at Service Calls
    22
  - Message Indication
    23
    
    Error Indication at Service Calls
    23
  - Error Cause and Remedy
    24
- Paper Feeding Problems
  33
  - No Feeding
    33
  - Double Feeding
    33
  - Paper Jam
    34
  - Dirt on Paper
    35
  - Wrinkles or Creases
    35
  - Waves in the Paper / Folds in the Paper at the Eject Roller 2
    35
  - Curl in the Paper
    36
- Image Defect Troubleshooting
  37
  - Image Defect Examples
    37
  - Diameter of Rollers
    37
  - Troubleshooting Image Defect
    38
    
    Faulty Registration
    39
    
    Poor Fixing
    40
    
    Image Distortion
    41
    
    Vertical Streaks
    43
    
    White Spots
    46
    
    Black Spots
    48
    
    Horizontal Lines
    49
- Software Setting Problems
  51
- Network Problems
  52
- Others Problems
  53
Chapter 2 Periodical Maintenance

55
- Consumable Parts
  55
- Periodical Peplacement Parts
  56
Chapter 3 Disassembly and Assembly

57
- Safety Precautions
  57
- Packing
  58
- Screw Torque List
  59
- Lubrication
  61
- Overview of Gears
  62
- Harness Routing
  63
- Disassembly Flow
  67
- Disassembly Procedure
  68
  - Paper Tray Unit / Separation Pad Assy
    68
  - Front Cover Assy / Sw Key
    69
    
    Front Cover Assy
    69
    
    Sw Key
    71
  - Back Cover / Outer Chute Assy
    73
    
    Back Cover
    73
    
    Outer Chute Assy
    74
  - Fuser Cover Assy
    75
    
    Eject Actuator / Eject Actuator Spring
    76
    
    Eject Roller Assy 1 / Bush C / Bush R / Bush L
    77
  - Inner Chute Assy
    78
  - Fuser Unit
    79
  - Side Cover R Assy
    81
  - Corner Cover
    82
  - Side Cover L Assy
    83
  - Roller Holder Assy
    84
  - WIRELESS LAN PCB ASSY (Only HL-2170W)
    86
  - Main Shield Cover Plate
    87
  - Main Pcb Assy
    88
  - Top Cover Assy
    89
    
    Paper Stack Lever
    90
    
    Support Flap 1 / Support Flap 2
    91
    
    Eject Roller Assy 2 / Bush R / Bush L
    92
  - Sw Supporter
    93
  - Panel Pcb Assy
    94
  - High-Voltage Ps Pcb Assy
    95
  - New Toner Sensor Harness Assy
    96
  - Filter Assy
    97
  - Laser Unit
    98
  - Fan Motor 60 Unit / Cover Sensor Harness Assy / Toner Led Pcb Assy
    100
    
    Fan Motor 60 Unit
    100
    
    Cover Sensor Harness Assy
    101
    
    Toner Led Pcb Assy
    102
  - Lvps
    104
    
    Ps Pcb Unit
    104
    
    Lv Shield Plate 2
    104
  - Registration Front Sensor Pcb Assy
    107
  - Registration Rear Sensor Pcb Assy
    112
  - Drive Sub Assy
    116
  - Dev Joint / Dev Gear Joint/53R / Registration Pendulum Gear Spring
    118
  - Toner Sensor Pcb Unit Assy
    119
  - Registration Solenoid / T1 Solenoid
    120
    
    Registration Solenoid
    120
    
    T1 Solenoid
    122
  - Main Shield Plate / Eject Sensor Pcb Assy
    123
  - Rubber Foot
    127
  - Main Frame L Assy
    128
Chapter 4 Adjustments and Updating of Settings, Required after Parts Replacement

133
- If You Replace the Main Pcb
  133
  - Setting the Default Paper Size
    139
  - Setting the Serial Number
    140
- If You Replace the Wireless Lan Pcb
  144
- If You Replace the Laser Unit
  145
Chapter 5 Service Support Software

146
- Control Panel
  146
  - List of Service Support Functions
    147
  - User Mode
    148
  - Service Mode
    150
- Other Service Functions
  161
  - User Maintenance Mode
    161
Chapter 6 Circuit Diagrams, Wiring Diagram

163
Appendix 1 Serial Numbering System

171
Appendix 2 Screw Catalogue

174
Appendix 3 Deletion of Personal Information

175
Appendix 4 References

176
Appendix 5 Glossary

177

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