Brother HL-5050N Manuals

Manuals and User Guides for Brother HL-5050N. We have 1 Brother HL-5050N manual available for free PDF download: Service Manual

Brother HL-5050N Service Manual

Brother HL-5050N Service Manual (265 pages)

Service Manual

Brand: Brother | Category: Printer | Size: 6.73 MB

Table of Contents

Service Manual
1
Table of Contents
4
Regulation

9
Safety Information

11
Chapter 1 General

13
- Features
  13
- Overview
  15
- Specifications
  16
  - Printing
    16
  - Functions
    17
  - Electrical and Mechanical
    18
  - Network
    19
  - Paper
    20
    
    Feedable Paper
    20
    
    Paper Cassette Capacity
    22
    
    Print Delivery
    22
    
    Pcl5E/Epson/Ibm Emulation
    24
    
    PCL6/BR-Script3 Emulation
    27
  - Print Speeds with Various Settings
    28
  - Toner Cartridge Weight Information
    29
- Serial No. Descriptions
  30
Chapter 2 Installation and Basic Operation

32
- Conditions Required for Installation
  32
- Unpacking
  34
- Install the Printer
  35
  - For All Users
    35
    
    Install the Drum Unit Assembly
    36
    
    Print a Test Page
    37
  - For Windows Users
    38
  - For Macintosh Users
    42
- Printing Methods
  45
- Control Panel Operation
  59
  - Control Panel Buttons & LED Functions
    59
    
    Leds
    59
    
    Control Panel Buttons
    59
  - LED Indications
    60
  - Service Call Indications
    62
  - Control Panel Button Operations
    63
  - Other Control Features
    64
    
    Sleep Mode
    64
    
    Print a Test Page
    65
    
    Print Settings
    65
    
    Print Fonts (for HL-5040, HL-5050 and HL-5070N)
    66
- Network Functions
  67
  - LED Functions
    67
  - Network Factory Default Setting (for HL-5070N)
    67
- Paper Cassette Information (for Europe Only)
  68
Chapter 3 Theory of Operation

69
- Electronics
  69
  - General Block Diagram
    69
  - Main PCB Block Diagram
    70
  - Main PCB
    71
    
    Cpu
    71
    
    Usb
    73
    
    Ieee1284
    74
    
    Network Interface
    75
    
    Rom
    76
    
    Flash ROM
    77
    
    Sdram
    78
    
    Optional RAM
    79
    
    Eeprom
    81
    
    1.3.10 Reset Circuit
    81
    
    1.3.11 Engine I/O
    82
    
    1.3.12 Panel I/O
    82
    
    1.3.13 Video I/O
    83
    
    1.3.14 Power Supply
    84
  - Engine PCB
    85
  - Power Supply
    86
    
    Low-Voltage Power Supply
    86
    
    High-Voltage Power Supply
    87
- Mechanics
  88
  - Overview of Printing Mechanism
    88
  - Paper Transfer
    89
    
    Paper Supply
    89
    
    Paper Registration
    89
    
    Paper Eject
    90
  - Sensors
    91
    
    Cover Sensors
    91
    
    Toner Sensors
    91
    
    Cassette Sensor / Paper Empty Sensor (HL-5040/5050/5070N Only)
    92
    
    Paper Eject Sensor
    92
    
    MP PE Sensor
    93
  - Drum Unit
    94
    
    Photosensitive Drum
    94
    
    Primary Charger
    94
    
    Transfer Roller
    94
    
    Cleaner
    94
  - Toner Cartridge
    94
  - Print Process
    94
    
    Charging
    94
    
    Exposure Stage
    95
    
    Developing
    96
    
    Transfer
    96
    
    Fixing Stage
    97
Chapter 4 Disassembly and Re-Assembly

98
- Safety Precautions
  98
- Disassembly Flow
  99
- Disassembly Procedure
  100
  - AC Cord
    100
  - Drum Unit
    100
  - Paper Tray
    101
  - Access Cover
    111
  - Rear Cover C
    111
  - Outer Chute (for HL-5030/5040 Only)
    112
  - Rear Cover MP ASSY /Outer Chute MP ASSY (for HL-5050/5070N Only)
    113
  - Rear Cover L/R
    114
  - Side Cover L/R
    115
  - Top Cover
    116
  - Front Cover ASSY (for HL-5030/5040 Only)
    119
  - MP Unit (for HL-5050/5070N Only)
    120
  - Fixing Unit
    126
  - Laser Unit
    135
  - Main PCB
    137
  - Base Plate/ LV Insulation Sheet
    139
  - Engine PCB
    140
  - High-Voltage PS PCB ASSY
    141
  - Low-Voltage PS PCB ASSY
    142
  - Paper Feeder
    143
  - Frame L/ Drive Unit
    151
  - Fan Motor 60 Unit LV/ Fan Motor 60 Unit
    155
  - Frame R
    156
- Packing
  158
- Guidelines for Lead Free Solder
  160
Chapter 5 Periodic Maintenance

163
- Consumable Parts
  163
  - Drum Unit
    163
  - Toner Cartridge
    165
- Periodical Replacement Parts
  170
  - Fixing Unit
    171
  - Paper Feeding Kit
    174
- Periodical Cleaning
  176
  - Cleaning the Printer Exterior
    176
  - Cleaning the Drum Unit
    176
  - Cleaning the Scanner Window
    177
  - Cleaning the Electrical Terminals
    178
- Mtbf / Mttr
  179
Chapter 6 Troubleshooting

180
- Introduction
  180
  - Initial Check
    180
  - Warnings for Maintenance Work
    181
  - Identify the Problem
    182
- Operator Calls & Service Calls
  183
  - Operator Calls
    183
  - Service Calls
    184
- Error Message
  186
  - Error Message in the Status Monitor
    186
  - Error Message Printouts
    187
- Paper Problems
  188
  - Paper Loading Problems
    188
  - Paper Jams
    189
    
    Clearing Jammed Paper
    189
    
    Causes & Countermeasures
    193
  - Paper Feeding Problems
    194
- Software Setting Problems
  196
- Malfunctions
  199
- Image Defects
  204
  - Image Defect Examples
    204
  - Diameter of Rollers
    204
    
    Paper Feed Roller
    204
    
    Heat Roller
    204
    
    Pressure Roller
    204
  - Troubleshooting Image Defect
    205
  - Location of Grounding Contacts
    224
    
    Drum Unit
    224
    
    Printer Body & Paper Cassette
    224
- Incorrect Printout
  225
- Network Problem
  228
Chapter 7 Service Support Software

235
- Control Panel
  235
  - Test Print Mode
    235
  - Service Mode
    236
  - Inspection Mode
    237
- How to Know Drum Unit Life
  239
- How to Use the Self-Diagnostics Tools
  242
- Printer Information
  245
- Nvram Default Value
  246
- How to Rewrite Hl-5030/5040/5050/5070N Flash Rom
  247
- Main Pcb Circuit Diagram, Hl-5030/5040/5050 (1/3
  252
- Main Pcb Circuit Diagram, Hl-5070N (1/4
  255
- Point to Point Connection Diagram
  259
- Engine Pcb Circuit Diagram (1/2
  260
- Low-Voltage Power Supply Pcb Circuit Diagram (120V
  262
- High-Voltage Power Supply Pcb Circuit Diagram
  264

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