Brother MFC-8950DW Service Manual

Confidential
CHAPTER 3 DISASSEMBLY/REASSEMBLY
This chapter describes procedures for disassembling and reassembling the machine with
relates notes.
The provided disassembly order flow enables you to take in the disassembly procedure of
related part at a glance.
At the start of disassembling, you can check the disassembly order flow which guides you
through a shortcut to get to the part.
This chapter also covers screw tightening torques and lubrication points where the specified
lubrication should be applied when the machine is assembled.
CONTENTS
1. SAFETY PRECAUTIONS .............................................................................................3-1
2. PACKING ......................................................................................................................3-2
3. SCREW CATALOGUE ..................................................................................................3-3
4. SCREW TORQUE LIST ................................................................................................3-4
5. LUBRICATION ..............................................................................................................3-7
6. OVERVIEW OF GEARS..............................................................................................3-10
7. HARNESS ROUTING.................................................................................................. 3-12
8. DISASSEMBLY FLOW CHART .................................................................................. 3-20
9. DISASSEMBLY PROCEDURE ................................................................................... 3-22
9.1 Preparation ............................................................................................................... 3-22
9.2 Paper tray 1 .............................................................................................................. 3-23
9.3 Back cover / Outer chute .......................................................................................... 3-25
9.4 Fuser cover ............................................................................................................... 3-26
9.5 MP cover ASSY ........................................................................................................ 3-27
9.6 Front cover ASSY ..................................................................................................... 3-28
9.7 Side cover L / Access cover...................................................................................... 3-29
9.8 Side cover R ASSY................................................................................................... 3-30
9.9 ADF unit .................................................................................................................... 3-31
9.9.1 Hinge ASSY L .............................................................................................3-33
9.9.2 Hinge R ....................................................................................................... 3-33
9.9.3 ADF document output support flap..............................................................3-34
9.9.4 Document sub tray ...................................................................................... 3-34
9.9.5 ADF cover ASSY......................................................................................... 3-34
9.9.6 Gear cover................................................................................................... 3-36
9.9.7 Document separate roller ASSY .................................................................3-37
9.9.8 ADF separation pad spring / ADF separation pad....................................... 3-38
9.9.9 Second side CIS unit /
Second side CIS flat cable (duplex scanning models only).........................3-41
9.9.10 Upper ADF chute.........................................................................................3-43

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