Brother International HL-3400CN Service Manual - Page 2

HL-3400CN

SERVICE

MANUAL

PREFACE

This

service

manual

contains

basic

information

required

for

after

-sales

service

of

the

color

laser

printer

(here

-in

-after

referred

to

as

"this

machine"

or

"the

printer").

This

information

is

vital

to

the

service

technician

to

maintain

the

high

printing

quality

and

performance

of

the

printer.

This

service

manual

covers

the

HL-3400CN

color

laser

printer.

This

manual

consists

of

the

following

chapters:

CHAPTER

1:

CHAPTER

2:

CHAPTER

3:

CHAPTER

4:

CHAPTER

5:

CHAPTER

6:

CHAPTER

7:

CHAPTER

8:

OUTLINE

OF

PRODUCT

Features,

parts

names,

internal

structure,

and

description

of

the

control

panel.

SPECIFICATIONS

Specifications,

etc.

INSTALLATION

Installation

conditions

and

installation

procedures.

STRUCTURE

OF

SYSTEM

COMPONENTS

Basic

operation

of

the

mechanical

system,

the

electrical

system

and

the

electrical

circuits

and

their

timing

information.

CONTROL

PANEL

OPERATION

Operation

and

setting

procedures

on

the

control

panel.

PERIODIC

MAINTENANCE

Description

of

periodic

maintenance

parts

and

procedures

for

periodic

replacement

and

cleaning.

DISASSEMBLY

Procedures

for

replacement

of

the

mechanical

system

parts.

TROUBLESHOOTING

Description

of

error

messages

on

the

control

panel,

troubleshooting

image

failure,

etc.

APPENDICES

:

SERIAL

NO.

DESCRIPTIONS,

ETC.

Information

in

this

manual

is

subject

to

change

due

to

improvement

or

re

-design

of

the

product.

All

relevant

information

in

such

cases

will

be

supplied

in

service

information

bulletins

(Technical

Information).

A

thorough

understanding

of

this

printer,

based

on

information

in

this

service

manual

and

service

information

bulletins,

is

required

for

maintaining

its

print

quality

performance

and

for

improving

the

practical

ability

to

find

the

cause

of

problems.

i

Brother International HL-3400CN Service Manual - Page 2

Preface

Page 2 highlights