Brother HL-5250DN series Service-Handbuch - Seite 6

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Brother HL-5250DN series Service-Handbuch

CHAPTER 5 DISASSEMBLY AND RE-ASSEMBLY .............................. 5-1

SAFETY PRECAUTIONS ....................................................................................... 5-1

PACKING................................................................................................................ 5-2

SCREW TORQUE LIST.......................................................................................... 5-3

HARNESS ROUTING ............................................................................................. 5-4

LUBRICATION...................................................................................................... 5-13

DISASSEMBLY FLOW ......................................................................................... 5-14

DISASSEMBLY PROCEDURE ............................................................................. 5-15

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

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...................................................................................................................... 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

fineline6

AC Cord.......................................................................................................................... 5-15

Drum/Toner ASSY.......................................................................................................... 5-15

DX Feed ASSY............................................................................................................... 5-16

Paper Tray...................................................................................................................... 5-16

Back Cover ..................................................................................................................... 5-20

DX Blank Cover (For HL-5240) ...................................................................................... 5-20

Outer Chute ASSY ......................................................................................................... 5-21

Fuser Unit ....................................................................................................................... 5-23

Tray MP ASSY................................................................................................................ 5-25

HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL