Brother HL-1112 - Using the Documentation; Symbols and Conventions

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Confidential
7. DISASSEMBLY PROCEDURE .................................................................................................... 2-8
7.1 Preparation .......................................................................................................................... 2-8
7.2 Back cover ........................................................................................................................... 2-9
7.3 Top cover ASSY ................................................................................................................ 2-10
7.4 Tray cover ASSY ............................................................................................................... 2-13
7.5 Side cover L....................................................................................................................... 2-14
7.6 Side cover R ...................................................................................................................... 2-15
7.7 Low voltage power supply PCB unit .................................................................................. 2-16
7.8 Fuser unit........................................................................................................................... 2-18
7.9 High voltage power supply PCB ASSY.............................................................................. 2-19
7.10 Main PCB ASSY ................................................................................................................ 2-20
7.11 Front cover......................................................................................................................... 2-21
7.12 Laser unit........................................................................................................................... 2-22
7.13 Motor encoder PCB ASSY................................................................................................. 2-24
7.14 Eject sensor PCB ASSY.................................................................................................... 2-25
7.15 Paper feed/paper printing position sensor PCB ASSY ...................................................... 2-26
7.16 New toner sensor PCB ASSY............................................................................................ 2-27
CHAPTER 3 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER
PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY .................................................................................. 3-1
1.1 Installing Firmware (Main Firmware) ................................................................................... 3-2
1.1.1 Checking firmware version .................................................................................... 3-2
1.1.2 Installing firmware (Main program)........................................................................ 3-2
1.2 Setting by Country ............................................................................................................... 3-3
1.3 Setting Serial Number and Entering Adjusted Value of Laser Unit...................................... 3-5
2. IF YOU REPLACE THE LASER UNIT ......................................................................................... 3-6
2.1 Entering Adjusted Value of Laser Unit................................................................................. 3-7
3. IF YOU REPLACE THE LOW VOLTAGE POWER SUPPLY PCB UNIT.................................... 3-8
3.1 Resetting Irregular Power Supply Detection Counter .......................................................... 3-8
CHAPTER 4 SERVICE FUNCTIONS
1. PRINTING PRINTER SETTINGS ................................................................................................. 4-1
2. RESETTING DRUM COUNTER................................................................................................... 4-3
3. SWITCHING BETWEEN CONTINUE MODE AND STOP MODE ............................................... 4-3
4. TEST PRINTING .......................................................................................................................... 4-4
5. MAINTENANCE PRINTING ......................................................................................................... 4-5
6. RESETTING TONER MANUALLY............................................................................................... 4-7
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION