Brother MFC-8950DW Service Manual

iv
Confidential
9.10 Panel cover / Printed panel cover...................................................................................... 3-53
9.11 Document scanner unit...................................................................................................... 3-60
9.11.1 First side CIS unit ................................................................................................ 3-62
9.12 Joint cover ......................................................................................................................... 3-67
9.13 Wireless LAN PCB ASSY.................................................................................................. 3-68
9.14 USB host PCB ASSY......................................................................................................... 3-68
9.15 Speaker unit ...................................................................................................................... 3-69
9.16 NCU PCB ASSY................................................................................................................ 3-70
9.17 Main PCB ASSY................................................................................................................ 3-71
9.18 Fuser unit........................................................................................................................... 3-73
9.19 Laser unit........................................................................................................................... 3-76
9.20 Low-voltage power supply PCB ASSY .............................................................................. 3-77
9.21 Toner LED PCB ASSY ...................................................................................................... 3-80
9.22 Main fan............................................................................................................................. 3-82
9.23 Air duct / Filter.................................................................................................................... 3-84
9.24 Relay front PCB ASSY ...................................................................................................... 3-85
9.25 Registration clutch / T1 clutch............................................................................................ 3-86
9.26 Main frame L ASSY ........................................................................................................... 3-87
9.27 Main motor ASSY .............................................................................................................. 3-89
9.28 Develop joint gear 37 / Develop joint ................................................................................. 3-91
9.29 LT drive gear 29................................................................................................................. 3-92
9.30 Toner sensor PCB ASSY................................................................................................... 3-93
9.31 MP solenoid....................................................................................................................... 3-94
9.32 Develop clutch 51R / Develop one way clutch 53.............................................................. 3-95
9.33 New toner actuator ............................................................................................................ 3-96
9.34 Internal temperature thermistor ......................................................................................... 3-97
9.35 Fuser drive gear 39............................................................................................................ 3-98
9.36 Duplex solenoid ............................................................................................................... 3-100
9.37 Back cover sensor ........................................................................................................... 3-101
9.38 LT connector (T1) ............................................................................................................ 3-102
9.39 T1 roller holder ASSY...................................................................................................... 3-103
9.40 High-voltage power supply PCB ASSY ........................................................................... 3-104
9.41 Eject sensor PCB ASSY.................................................................................................. 3-107
9.42 MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring ............. 3-108
9.43 T1 paper feed sensor PCB ASSY /
T1 paper feed actuator / T1 paper feed actuator spring .................................................. 3-109
9.44 MP paper empty sensor PCB ASSY / MP paper empty actuator 1 /
MP paper empty actuator 2 ............................................................................................. 3-111
9.45 Registration front/rear sensor PCB ASSY / Registration front actuator /
Registration rear actuator / Registration actuator spring ................................................. 3-114
10. DISASSEMBLY PROCEDURE (LT UNIT)............................................................................... 3-117
10.1 Paper tray 2 ..................................................................................................................... 3-117
10.2 T2 roller holder ASSY...................................................................................................... 3-119

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