Brother MFC-8912DW - Chapter 4 Adjusting and Updating Settings

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10.3 T2 side cover L ................................................................................................................ 3-120
10.4 T2 side cover R................................................................................................................ 3-121
10.5 T2 front cover ASSY........................................................................................................ 3-122
10.6 T2 relay PCB ASSY......................................................................................................... 3-123
10.7 T2 clutch .......................................................................................................................... 3-124
10.8 T2 paper feed sensor PCB ASSY.................................................................................... 3-125
10.9 T2 back cover .................................................................................................................. 3-129
10.10LT connector ASSY (T2).................................................................................................. 3-130
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS
AS REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY .................................................................................. 4-1
1.1 Installing Firmware............................................................................................................... 4-2
1.1.1 Checking firmware version .................................................................................... 4-2
1.1.2 Installing firmware using USB flash memory......................................................... 4-2
1.1.3 Installing firmware using PC.................................................................................. 4-3
1.2 Setting by Country ............................................................................................................... 4-3
1.3 Initializing the EEPROM of the Main PCB ASSY................................................................. 4-3
1.4 Setting Serial Number and Entering Adjusted Value of Laser Unit...................................... 4-4
1.5 Acquiring White Level Data ................................................................................................. 4-5
1.6 Adjusting Touch Panel (Touch Panel Models Only) ............................................................ 4-5
2. IF YOU REPLACE THE LASER UNIT ......................................................................................... 4-6
2.1 Entering Adjusted Value of Laser Unit................................................................................. 4-6
3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY .................................. 4-8
3.1 Resetting Irregular Power Supply Detection Counter .......................................................... 4-8
4. IF YOU REPLACE THE HIGH-VOLTAGE POWER SUPPLY PCB ASSY.................................. 4-9
4.1 Initializing Pre-discharge Detection Parameters.................................................................. 4-9
5. IF YOU REPLACE ANY PERIODIC REPLACEMENT PARTS ................................................. 4-10
6. IF YOU REPLACE THE CONTROL PANEL ASSY OR TOUCH PANEL ASSY....................... 4-11
6.1 Installing Firmware (Touch Panel Models Only) ................................................................ 4-11
6.1.1 Checking firmware version .................................................................................. 4-11
6.1.2 Installing firmware using USB flash memory....................................................... 4-12
6.1.3 Installing firmware using PC................................................................................ 4-12
6.2 Adjusting Touch Panel (Touch Panel Models Only) .......................................................... 4-13
6.3 Checking LCD Operation................................................................................................... 4-13
6.4 Checking Control Panel Operation .................................................................................... 4-13
7. IF YOU REPLACE THE DOCUMENT SCANNER UNIT,
ADF UNIT (DUPLEX SCANNING MODEL), OR CIS UNIT ....................................................... 4-14
7.1 Acquiring White Level Data (function code: 55)................................................................. 4-14