Confidential
iii
5. LUBRICATION ...........................................................................................3-6
6. OVERVIEW OF GEARS.............................................................................3-7
7. HARNESS ROUTING.................................................................................3-8
8. DISASSEMBLY FLOW.............................................................................3-17
9. DISASSEMBLY PROCEDURE ................................................................3-18
9.1 Preparation ............................................................................................................... 3-18
9.2 Paper tray / T1 separation pad ASSY....................................................................... 3-19
9.3 Back cover................................................................................................................ 3-20
9.4 Rear flapper sub ASSY ............................................................................................ 3-22
9.5 Fuser cover ASSY / Fuser unit ................................................................................. 3-23
9.6 Side cover L..............................................................................................................3-28
9.7 Side cover R ............................................................................................................. 3-29
9.8 Back cover lower ...................................................................................................... 3-30
9.9 Top cover ASSY ....................................................................................................... 3-31
9.10 LCD panel ASSY .................................................................................................... 3-38
9.11 LED control flat cable / LED control PCB................................................................ 3-46
9.12 LED ASSY (Y/M/C/K) / LED ASSY flat cable (Y/M/C/K) ........................................ 3-49
9.13 High-voltage power supply PCB / Develop release sensor PCB............................ 3-52
9.14 Fan ......................................................................................................................... 3-55
9.15 WLAN PCB............................................................................................................. 3-56
9.16 Main PCB ............................................................................................................... 3-57
9.17 Cartridge sensor relay flat cable ............................................................................. 3-59
9.18
Develop release clutch / Process drive unit / High-voltage power supply flat cable /
Process motor flat cable / Paper feed motor flat cable
.............................................. 3-60
9.19 T1 pick-up clutch / Registration clutch / Paper feed drive unit................................ 3-69
9.20 Eject sensor PCB ................................................................................................... 3-71
9.21 Manual feed cover ASSY ....................................................................................... 3-72
9.22 Roller holder ASSY................................................................................................. 3-73
9.23 Paper feed unit ....................................................................................................... 3-74
9.24 Paper eject ASSY................................................................................................... 3-76
9.25 Duplex tray ............................................................................................................. 3-77
9.26 Low-voltage power supply PCB.............................................................................. 3-78
9.27 Registration mark sensor L PCB / Registration mark sensor R PCB ..................... 3-82