Brother HL-5280DW - Page 7

HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
v Confidential
CHAPTER 5 DISASSEMBLY AND RE-ASSEMBLY ............................. 5-1
1. SAFETY PRECAUTIONS.......................................................................................... 5-1
2. PACKING ..................................................................................................................5-2
3. SCREW TORQUE LIST ............................................................................................5-3
4. HARNESS ROUTING................................................................................................5-4
5. LUBRICATION ........................................................................................................5-13
6. DISASSEMBLY FLOW............................................................................................5-14
7. DISASSEMBLY PROCEDURE ...............................................................................5-15
7.1 AC Cord ......................................................................................................................... 5-15
7.2 Drum/Toner ASSY ......................................................................................................... 5-15
7.3 DX Feed ASSY .............................................................................................................. 5-16
7.4 Paper Tray ..................................................................................................................... 5-16
7.5 Back Cover..................................................................................................................... 5-20
7.6 DX Blank Cover (For HL-5240)...................................................................................... 5-20
7.7 Outer Chute ASSY......................................................................................................... 5-21
7.8 Fuser Unit....................................................................................................................... 5-23
7.9 Tray MP ASSY ............................................................................................................... 5-25
7.10 MP Tray Cover ASSY/Process Cover ASSY................................................................. 5-26
7.11 Access Cover/ Side Cover L.......................................................................................... 5-28
7.12 Main PCB ....................................................................................................................... 5-29
7.13 Gear Plate Calking ASSY AL/Develop Joint/Main Motor ASSY AL............................... 5-30
7.14 Main Shield Plate ASSY ................................................................................................ 5-32
7.15 Relay Rear PCB ASSY/Connector ................................................................................ 5-34
7.16 Relay Front PCB ASSY ................................................................................................. 5-36
7.17 MP Solenoid ASSY ........................................................................................................ 5-37
7.18 Drive Release Link......................................................................................................... 5-38
7.19 T1 Solenoid ASSY ......................................................................................................... 5-39
7.20 Toner Sensor PCB......................................................................................................... 5-39
7.21 Register Solenoid ASSY ................................................................................................ 5-40
7.22 Ejector Solenoid ASSY (For HL-5250DN/5270DN/5280DW)........................................ 5-40
7.23 Interlock SW ASSY ........................................................................................................ 5-41
7.24 New Toner Actuator ....................................................................................................... 5-41
7.25 Gear 17/20/23 ................................................................................................................ 5-42
7.26 Side Cover R.................................................................................................................. 5-44
7.27-1 Top Cover Printed ASSY (For HL-5240/5250DN) ....................................................... 5-45
7.27-2 Panel PCB ASSY ......................................................................................................... 5-45
7.27-3 SW Key A/B.................................................................................................................. 5-46
7.27-4 Inner Chute/Pinch Roller Holder .................................................................................. 5-47