Brother MFC7420 Manuale Utente

Brother

iii

Confidential

TABLE OF CONTENTS

CHAPTER 1 PARTS NAMES & FUNCTIONS

1.1 EQUIPMENT

OUTLINE............................................................................................. 1-1

1.2 CONTROL

PANEL .................................................................................................... 1-2

1.3 COMPONENTS ......................................................................................................... 1-4

CHAPTER 2 SPECIFICATIONS

2.1 GENGERAL............................................................................................................... 2-1

Specifications ......................................................................................... 2-1

Specifications............................................................................................. 2-2

2.1.3 Printable

Area ................................................................................................................ 2-4

2.2 SPECIFICATIONS

LIST ............................................................................................ 2-8

CHAPTER 3 THEORY OF OPERATION

3.1 OVERVIEW................................................................................................................ 3-1

3.2 MECHANICAL

COMPONENTS ................................................................................ 3-2

Mechanism ............................................................................................ 3-3

Mechanism.............................................................................................. 3-6

supply ................................................................................................ 3-6

Push-up function of paper tray..................................................................... 3-8

registration....................................................................................... 3-10

eject ................................................................................................. 3-11

unit.................................................................................................... 3-11

cartridge........................................................................................... 3-12

process .............................................................................................. 3-15

3.2.3 Sensors and Actuators ....................................................................................... 3-18

3.3 CONTROL

ELECTRONICS .................................................................................... 3-19

3.3.1 Components ....................................................................................................... 3-19

CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR

TRANSFERRING RECEIVED FAX DATA ................................................................ 4-1