TABLE OF CONTENTS
2.2.3 Paper eject........................................................................................................................ 3-22
2.3
Sensors...........................................................................................................................3-23
2.3.1 Cover sensors................................................................................................................... 3-23
2.3.2 Toner sensors ................................................................................................................... 3-23
2.3.4 Paper eject sensor ............................................................................................................ 3-24
2.3.5 MP PE sensor ................................................................................................................... 3-25
2.4
Drum Unit........................................................................................................................3-26
2.4.1 Photosensitive drum ......................................................................................................... 3-26
2.4.2 Primary charger ................................................................................................................ 3-26
2.4.3 Transfer roller.................................................................................................................... 3-26
2.4.4 Cleaner ............................................................................................................................. 3-26
2.5
Toner Cartridge...............................................................................................................3-26
2.6
Print Process ..................................................................................................................3-26
2.6.1 Charging ........................................................................................................................... 3-26
2.6.2 Exposure stage ................................................................................................................. 3-27
2.6.3 Developing ........................................................................................................................ 3-28
2.6.4 Transfer............................................................................................................................. 3-28
2.6.5 Fixing stage....................................................................................................................... 3-29
1.
SAFETY PRECAUTIONS........................................................................................ 4-1
2.
DISASSEMBLY FLOW ............................................................................................ 4-2
3.
DISASSEMBLY PROCEDURE................................................................................ 4-3
3.1
AC Cord ............................................................................................................................4-3
3.2
Drum Unit..........................................................................................................................4-3
3.3
3.4
Access Cover.................................................................................................................. 4-14
3.5
Rear Cover C .................................................................................................................. 4-14
3.6
3.7
3.8
Rear Cover L/R ............................................................................................................... 4-17
3.9
Side Cover L/R ............................................................................................................... 4-18
3.10 Top Cover ....................................................................................................................... 4-19
3.13 Fixing Unit ....................................................................................................................... 4-29
3.14 Laser Unit ....................................................................................................................... 4-38
3.15 Main PCB ........................................................................................................................ 4-40
3.17 Engine PCB .................................................................................................................... 4-43
3.20 Paper Feeder .................................................................................................................. 4-46
3.21 Frame L/ Drive Unit......................................................................................................... 4-54
3.23 Frame R .......................................................................................................................... 4-59
4.
PACKING .............................................................................................................. 4-61
................................................................................................................. 4-4
iv