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
7.7
Outer Chute ASSY ......................................................................................................... 5-21
7.8
Fuser Unit....................................................................................................................... 5-23
7.9
Tray MP ASSY ............................................................................................................... 5-25
7.12 Main PCB ....................................................................................................................... 5-29
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
7.23 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
7.27-2 Panel PCB ASSY ......................................................................................................... 5-45
7.27-3 SW Key A/B.................................................................................................................. 5-46
HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
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