Brother International HL-3400CN Service Manual - Page 53

CHAPTER

4

STRUCTURE

OF

SYSTEM

COMPONENTS

CONTENTS

CHAPTER

4

STRUCTURE

OF

SYSTEM

COMPONENTS

4-3

1

.

BASIC

STRUCTURE

4-3

1.1

Mechanical

Structures

4-3

1.2

Basic

Mechanism

of

Color

Printing

4-5

1.2.1

Principle

of

color

printing

4-5

1.2.2

Basic

color

printing

process

4-6

1.3

Structure

of

the

OPC

Belt

4-7

1.4

Print

System

and

Transfer

System

4-8

1.4.1

Structure

of

the

printer

4-9

1.4.2

Basic

structure

of

the

printing

system

4-10

1.4.3

Detai

ls

of

each

process

4-12

1.5

Scanning

System

4-23

1.6

Paper

Transportation

System

4-25

1.6.1

Outl

ine

4-25

1.6.2

Structure

of

paper

transportation

system

4-25

1.7

Fusing

Unit

4-26

1.7.1

Structure

4-26

1.7.2

Fusing

process

4-27

2.

STRUCTURE

OF

THE

CONTROL

SYSTEM

4-28

2.1

Basic

Structure

-

Electrical

System

and

Functions

4-28

2.2

Control

System

-

Control

of

the

Print

Process

4-37

2.3

Main

PCB

(Video

Control

ler

PCB)

4-46

2.3.1

Outl

ine

4-46

2.3.2

Circuit

4-48

2.4

Low

-voltage

Power

Supply

Unit

4-60

2.5

High

-voltage

Power

Supply

Unit

4-63

2.6

Connection

Diagram

4-65

4-2

Brother International HL-3400CN Service Manual - Page 53

Basic, Structure, Control, System

Page 53 highlights