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Brother MFC640CW User Manual

Brother MFC640CW
406 pages
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Confidential
FACSIMILE EQUIPMENT
SERVICE MANUAL
MODELS: MFC820CW
MFC640CW
DCP340CW

Table of Contents

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Brother MFC640CW Specifications

General IconGeneral
Standard Memory32 MB
AirPrint EnabledNo
FunctionsCopier, printer, scanner, fax
Printing TechnologyInkjet
Print ResolutionUp to 6000 x 1200 dpi
Scanner TypeFlatbed
ConnectivityWi-Fi
DisplayLCD
Connectivity TechnologyUSB, Ethernet, Wi-Fi
InterfaceUSB, 802.11b, 802.11g

Summary

Chapter 1 Parts Names and Functions

1.1 Outline

Illustrates external views, names, and functions of machine components.

1.2 Control Panel

Details the functions, layout, and operational keys of the machine's control panel.

1.3 Components

Lists and illustrates the major internal and external components of the machine.

Chapter 2 Specifications

2.1 General

Provides general specifications including memory, ADF, paper tray, print method, and operating environment.

2.1.2 Paper Specifications

Details recommended paper types, sizes, and usage for different operations.

2.2 Specifications List

Lists detailed specifications for different models across various regions.

Chapter 3 Theory of Operation

3.1 Overview

Presents a block diagram of the machine's sections and interconnections.

3.2 Mechanical Components

Details the various mechanical mechanisms and components within the machine.

3.3 Control Electronics

Illustrates hardware components and their interconnections on the main PCBs.

Chapter 5 Disassembly/Reassembly and Lubrication

5.1 Disassembly/Reassembly

Provides safety precautions and step-by-step procedures for disassembling machine components.

5.2 Lubrication

Details lubricant types and specific application points during reassembly.

Chapter 6 Adjustments and Updating of Settings, Required After Parts Replacement

6.1 Preparation

Lists required executables, files, spare parts, and supplies for adjustments and updates.

6.2 If You Replace the Head/Carriage Unit or Engine Unit

Outlines procedures for updating head property info and settings after replacement.

6.3 If You Replace the Main PCB

Details steps for loading update programs, initializing EEPROM, and customizing settings after PCB replacement.

Chapter 7 Cleaning

7.1 Cleaning the Maintenance Unit

Provides cleaning procedures for maintenance unit components, including head caps and wiper.

Chapter 8 Maintenance Mode

8.1 Entry into the Maintenance Mode

Explains how to access the machine's maintenance mode using control panel keys.

8.2 List of Maintenance-Mode Functions

A comprehensive list of available maintenance functions with codes and reference pages.

8.4 Detailed Description of Maintenance-Mode Functions

Provides detailed explanations and operating procedures for various maintenance functions.

Chapter 9 Error Indication and Troubleshooting

9.1 Error Indication

Lists error messages displayed on the LCD and their probable causes.

9.2 Troubleshooting

Offers troubleshooting procedures for common problems and checks to perform before diagnosis.

Appendix 1. Serial Numbering System

Serial Number Label for the Machine Itself

Explains the serial number label format and location on the machine itself.

Head Property Label

Details the format and location of the property label for the head/carriage unit.

Serial Number Label for Ink Cartridges

Shows the serial number label format and location for individual ink cartridges.

Appendix 2. Firmware Installation

Loading the Update Programs/Data to the Flash ROM

Provides instructions on updating firmware on the main PCB from a host PC.

Appendix 3. Customizing Codes According to Shipping Destination

EEPROM Customizing Codes

Explains how to set customizing codes for language and other preferences stored in EEPROM.

Appendix 4. Firmware Switches (WSW)

WSW01 Dial pulse setting

Configures dial pulse generation mode, break time, and inter-digit pause settings.

WSW02 Tone signal setting

Sets tone signal transmission time length and minimum pause in tone dialing.

WSW03 PABX mode setting

Configures CNG detection and dial tone detection for PABX environments.

Appendix 5. Wiring Diagrams

MJ PCB Wiring Diagrams

Shows the wiring diagrams for the MJ PCB (various models).

Power Supply PCB Wiring Diagrams

Illustrates the circuit diagrams for the power supply PCB (various models).

Appendix 6. Circuit Diagrams

MJ PCB Circuit Diagrams

Details the circuit diagrams for the MJ PCB across different regions.

Power Supply PCB Circuit Diagrams

Shows the circuit diagrams for the power supply PCB across different regions.

Appendix 7. Viewing the Event Log File

BH3 Installation Log File

Explains how to view installation events logged in the event log file.