Brother HL-5130 - Page 5

HL-5130/5140/5150D/5170DN SERVICE MANUAL
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4.6 Printing on Both Sides of the Paper (manual duplex printing)....................................... 2-24
4.7 Paper orientation for printing on both sides of the paper............................................... 2-26
4.8 Printing on both sides of the paper (automatic duplex printing) .................................... 2-27
5. 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-5140, HL-5150D and HL-5170DN) ..................................................... 2-35
6. NETWORK FUNCTIONS ........................................................................................2-36
6.1 LED functions................................................................................................................. 2-36
6.2 Network Factory default setting (For HL-5170DN) ........................................................ 2-36
7. PAPER TRAY INFORMATION (FOR EUROPE ONLY)..........................................2-37
CHAPTER 3 THEORY OF OPERATION ................................................ 3-1
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
2. MECHANICS...........................................................................................................3-20
2.1 Overview of Printing Mechanism ................................................................................... 3-20
2.2 Paper Transfer............................................................................................................... 3-21
2.2.1 Paper supply..................................................................................................................... 3-21