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Confidential
4.14.2 Cannot update firmware ....................................................................................... 2-96
4.14.3 “Paper Low” message does not disappear ........................................................... 2-96
4.14.4 Message indicating that the report is full does not disappear .............................. 2-97
4.14.5 Paper tray cannot be recognized ......................................................................... 2-97
CHAPTER 3 DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS ............................................................................................................ 3-1
2. PACKING .................................................................................................................................... 3-2
3. SCREW CATALOGUE ................................................................................................................ 3-3
4. SCREW TORQUE LIST .............................................................................................................. 3-4
5. OVERVIEW OF GEARS .............................................................................................................. 3-6
6. HARNESS ROUTING .................................................................................................................. 3-8
7. DISASSEMBLY FLOW CHART ................................................................................................ 3-20
8. DISASSEMBLY PROCEDURE ................................................................................................. 3-21
8.1 Preparation ....................................................................................................................... 3-21
8.2 Cord hook ......................................................................................................................... 3-23
8.3 Back cover ........................................................................................................................ 3-24
8.4 Outer chute ASSY ............................................................................................................ 3-25
8.5 Front cover ASSY / Support flap ....................................................................................... 3-26
8.6 Side cover R ..................................................................................................................... 3-27
8.7 Fuser cover ....................................................................................................................... 3-28
8.8 Inner chute ASSY ............................................................................................................. 3-29
8.9 Side cover L / Speaker harness ASSY ............................................................................. 3-30
8.10 Pull arm L / Pull arm R / Document scanner unit .............................................................. 3-32
8.11 ADF unit ............................................................................................................................ 3-35
8.11.1 ADF unit / Hinge ASSY L / Hinge R / Hinge R support / Hinge arm R ................. 3-35
8.11.2 ADF cover ASSY / Document stopper ................................................................. 3-38
8.11.3 Document sub tray ............................................................................................... 3-39
8.11.4 Document separate roller ASSY .......................................................................... 3-41
8.11.5 ADF separation holder ASSY ............................................................................... 3-42
8.12 Panel unit .......................................................................................................................... 3-43
8.12.1 Panel unit ............................................................................................................. 3-43
8.12.2 Panel PCB ASSY ................................................................................................. 3-44
8.12.3 LCD ...................................................................................................................... 3-45
8.13 Modem flat cable / Modem PCB ASSY ............................................................................ 3-46
8.14 Joint cover ASSY .............................................................................................................. 3-48
8.15 Fuser unit .......................................................................................................................... 3-49
8.16 Low-voltage power supply PCB ASSY ............................................................................. 3-51
8.17 New toner sensor PCB ASSY ........................................................................................... 3-53
8.18 HVPS flat cable / High-voltage power supply PCB ASSY ................................................ 3-54
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