Brother FAX4759 Manuals

Manuals and User Guides for Brother FAX4759. We have 1 Brother FAX4759 manual available for free PDF download: Service Manual

Brother FAX4759 Service Manual

Brother FAX4759 Service Manual (266 pages)

Brand: Brother | Category: Fax Machine | Size: 11.53 MB

Table of Contents

Chapter III. Theory of Operation

28
- Safety Information
  3
- General Description
  4
- Equipment Outline
  6
- External Appearance and Weight
  6
- Specifications
  7
- Table of Contents
  28
- Theory of Operation
  28
- 1 Overview
  
  29
- 2 Mechanisms
  
  30
  - Scanner Mechanism
    31
    
    Document Feeding and Ejecting Mechanism
    31
    
    Scanner
    31
  - Laser Printing Mechanism
    32
    
    Paper Pick-Up and Registration Mechanism
    32
    
    Print Process Mechanism
    33
    
    Charging Process
    34
    
    Exposing Process
    34
    
    Developing Process
    35
    
    Transferring Process
    35
    
    Heat-Fixing Mechanism
    36
    
    Paper Ejecting Mechanism
    37
  - Sensors and Actuators
    38
- 3 Control Electronics
  
  40
  - Configuration
    40
  - Main PCB
    41
  - Engine PCB
    43
  - Ncu Pcb
    44
  - Control Panel PCB
    47
  - Power Supply PCB
    48
    
    1 ] Low-Voltage Power Supply PCB
    48
    
    2 ] High-Voltage Power Supply PCB
    49
Chapter IV. Disassembly/Reassembly and Lubrication

51
- 1 Disassembly/Reassembly
  
  53
- 2 Lubrication
  
  107
Chapter V. Maintenance Mode

113
Chapter VI. Error Indication and Troubleshooting

176
- 1 Error Indication
  
  177
  - Equipment Errors
    177
    
    1 ] Error Messages on the LCD
    177
    
    2 ] Error Codes Shown in the "MACHINE ERROR X X" Message
    180
  - Communications Errors
    182
- 2 Troubleshooting
  
  192
  - Introduction
    192
  - Precautions
    192
  - Checking Prior to Troubleshooting
    192
  - Troubleshooting Procedures
    194
    
    1 ] Control Panel Related
    194
    
    2 ] Telephone Related
    194
    
    3 ] Communications Related
    195
    
    4 ] Paper/Document Feeding Related
    195
    
    5 ] Print-Image Related
    196

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