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Konica Minolta Bizhub 20p Service Manual: Table Of Contents

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CHAPTER 5 DISASSEMBLY/REASSEMBLY
This chapter details procedures for disassembling and reassembling the machine together
with related notes. The disassembly order flow provided enables you to see at a glance the
quickest way to get to component(s) involved.
At the start of a disassembly job, you check the disassembly order flow that guides you
through a shortcut to the object components.
This chapter also covers screw tightening torques and lubrication points to which the
specified lubricants should be applied during reassembly jobs.
1. SAFETY PRECAUTIONS ............................................................................................. 5-1
2. SCREW TORQUE LIST ................................................................................................ 5-2
3. LUBRICATION .............................................................................................................. 5-4
5. GEAR LAYOUT DRAWING .......................................................................................... 5-6
6. HARNESS ROUTING.................................................................................................... 5-7
7. DISASSEMBLY FLOW CHART .................................................................................. 5-16
8. DISASSEMBLY PROCEDURE ................................................................................... 5-17
8.1 Paper Tray ................................................................................................................. 5-18
8.2 Back Cover ................................................................................................................ 5-21
8.3 Rear Chute ASSY ...................................................................................................... 5-23
8.4 Fuser Unit .................................................................................................................. 5-25
8.5 Tray MP ASSY ........................................................................................................... 5-29
8.6 MP Tray Cover ASSY/Process Cover ASSY/Emblem cover ..................................... 5-30
8.7 Access Cover/Side Cover L ....................................................................................... 5-33
8.8 Main PCB................................................................................................................... 5-34
8.9 Side Cover R.............................................................................................................. 5-35
8.10 Top Cover ASSY ........................................................................................................ 5-36
8.10.1 Panel PCB ASSY ........................................................................................... 5-37
8.10.2 SW Key A/B ................................................................................................... 5-37
8.10.3 Inner Chute/Pinch Roller Holder .................................................................... 5-39
8.11 Gear Plate Calking ASSY/Develop Joint/Main Motor ASSY...................................... 5-40
8.12 Main Shield Plate ASSY ............................................................................................ 5-42
8.13 Relay Rear PCB ASSY/Connector ............................................................................ 5-45
8.14 Relay Front PCB ASSY ............................................................................................. 5-47
8.15 Drive Release Link..................................................................................................... 5-48
8.16 MP Solenoid ASSY .................................................................................................... 5-49
8.17 Tray 1 Solenoid ASSY ............................................................................................... 5-50
8.18 Toner Sensor PCB ASSY........................................................................................... 5-51
8.19 Register Solenoid....................................................................................................... 5-52
8.20 Ejector Solenoid......................................................................................................... 5-52
8.21 Front cover sensor ASSY .......................................................................................... 5-53
CONTENTS
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