Brother DCP-7057 Service Manual page 143

CHAPTER 3 DISASSEMBLY/REASSEMBLY
This chapter describes procedures for disassembling and assembling the machine with
relates notes.
The provided disassembly order flow enables you to take in the quickest way to get an
involved 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.
1. SAFETY PRECAUTIONS ............................................................................................. 3-1
2. PACKING ......................................................................................................................3-2
3. SCREW CATALOGUE .................................................................................................. 3-3
4. SCREW TORQUE LIST ................................................................................................ 3-4
5. LUBRICATION .............................................................................................................. 3-6
6. OVERVIEW OF GEARS................................................................................................ 3-7
7. HARNESS ROUTING.................................................................................................. 3-10
8. DISASSEMBLY FLOW CHART .................................................................................. 3-26
9. DISASSEMBLY PROCEDURE ................................................................................... 3-27
9.1 Paper Tray ......................................................................................................... 3-29
9.2 Cord Hook.......................................................................................................... 3-32
9.3 Back Cover ........................................................................................................ 3-33
9.4 Outer Chute ASSY............................................................................................. 3-34
9.5 Fuser Cover ....................................................................................................... 3-35
9.6 Inner Chute ASSY, Eject Pinch Roller R ASSY and Eject Pinch Roller L ASSY ............ 3-36
9.7 Front Cover ASSY, Support Flap 1 .................................................................... 3-38
9.8 Side cover L / Handset holder ASSY ................................................................. 3-40
9.9 Side Cover R...................................................................................................... 3-43
9.10 ADF Unit (For models with ADF) ....................................................................... 3-44
9.10.1 ADF Unit.................................................................................................... 3-44
9.10.2 Hinge ASSY L / Hinge Arm R / Hinge R / Hinge R support....................... 3-46
9.10.3 Document Stopper..................................................................................... 3-47
9.10.4 Document Sub Tray .................................................................................. 3-48
9.10.5 ADF Cover ASSY ...................................................................................... 3-49
9.10.6 Gear Cover................................................................................................ 3-50
9.10.7 Separation Roller ASSY ............................................................................ 3-51
9.10.8 Separation Rubber Holder ASSY .............................................................. 3-52
9.10.9 Upper Document Chute ASSY SX ............................................................ 3-53
9.10.10 Document Feed Roller ASSY.................................................................... 3-54
CONTENTS
Confidential