Brother MFC-8950DW Service Manual

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Confidential
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

Brother MFC-8950DW Specifications

General

Type	all in one
Color	black
Tray Capacity	500
Automatic Document Feeder Capacity	50 sheets
Paper Size	letter, legal, executive, a4, a5, a6, b5, b6, custom sizes from 3" x 5" to 8.5" x 14"
Paper Handling	up to 500 sheets
Mono Print Speed	42 pages per minute
Print Resolution Mono	up to 1200 x 1200
Maximum Number of Pages Per Month	up to 100, 000
Scanner Type	flatbed
Scan Resolution	up to 19200 x 19200
Fax Function	yes
Cartridges	tn-720, tn-750, tn-780, dr-720
Number Of Cartridges	2
Internal Memory	yes
Network	wired, wireless
Connectivity	usb 2.0
OS Compatibility	windows or mac os
Mobile Devices Connection	yes

Weight and Dimensions

Height	19.3 inches
Width	16.3 inches
Net Weight	39 pounds