Chapter 3 Theory Of Operation - Brother HL-5030 Service Manual

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Brugervejledning (138 pages)

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4.6

Printing on Both Sides of the Paper (manual duplex printing) ........................................2-24

4.7

Guidelines for printing on both sides of the paper ..........................................................2-26

4.8

Paper orientation for printing on both sides of the paper................................................2-27

CONTROL PANEL OPERATION .......................................................................... 2-28

5.1

Control Panel Buttons & LED functions ..........................................................................2-28

5.1.1 LEDs ................................................................................................................................. 2-28

5.1.2 Control Panel Buttons ....................................................................................................... 2-28

5.2

LED Indiations ................................................................................................................2-29

5.3

Service call indications ...................................................................................................2-31

5.4

Control Panel Button Operations ....................................................................................2-32

5.5

Other Control Features ...................................................................................................2-33

5.5.1 Sleep mode....................................................................................................................... 2-33

5.5.2 Print a test page................................................................................................................ 2-34

5.5.3 Print Settings..................................................................................................................... 2-34

5.5.4 Print fonts (For HL-5040, HL-5050 and HL-5070N) .......................................................... 2-35

NETWORK FUNCTIONS ...................................................................................... 2-36

6.1

LED functions .................................................................................................................2-36

6.2

Network Factory default setting (For HL-5070N)............................................................2-36

PAPER CASSETTE INFORMATION (FOR EUROPE ONLY) ............................... 2-37

CHAPTER 3 THEORY OF OPERATION................................................. 3-1

ELECTRONICS....................................................................................................... 3-1

1.1

General Block Diagram ....................................................................................................3-1

1.2

Main PCB Block Diagram .................................................................................................3-2

1.3

Main PCB..........................................................................................................................3-3

1.3.1 CPU .................................................................................................................................... 3-3

1.3.2 USB..................................................................................................................................... 3-5

1.3.3 IEEE 1284........................................................................................................................... 3-6

1.3.4 Network Interface ................................................................................................................ 3-7

1.3.5 ROM.................................................................................................................................... 3-8

1.3.6 Flash ROM .......................................................................................................................... 3-9

1.3.7 SDRAM ............................................................................................................................. 3-10

1.3.8 Optional RAM.................................................................................................................... 3-11

1.3.9 EEPROM........................................................................................................................... 3-13

1.3.10 Reset Circuit ..................................................................................................................... 3-13

1.3.11 Engine I/O ......................................................................................................................... 3-14

1.3.12 Panel I/O ........................................................................................................................... 3-14

1.3.13 Video I/O ........................................................................................................................... 3-15

1.3.14 Power Supply .................................................................................................................... 3-16

1.4

Engine PCB ....................................................................................................................3-17

1.5

Power Supply..................................................................................................................3-18

1.5.1 Low-voltage Power Supply................................................................................................ 3-18

1.5.2 High-voltage Power Supply............................................................................................... 3-19

MECHANICS ......................................................................................................... 3-20

2.1

Overview of Printing Mechanism ....................................................................................3-20

2.2

Paper Transfer................................................................................................................3-21

2.2.1 Paper supply ..................................................................................................................... 3-21

2.2.2 Paper registration.............................................................................................................. 3-21

HL-5030/5040/5050/5070N SERVICE MANUAL

iii

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Hl-5040 Hl-5050 Hl-5070n

Chapter 3 Theory Of Operation - Brother HL-5030 Service Manual

CHAPTER 3 THEORY OF OPERATION................................................. 3-1

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