Brother HL-1040 - Manual (Page 5)

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2.3 Sensors................................................................................................................................... II-29
2.3.1 Cover Sensor............................................................................................................. II-29
2.3.2 Toner Empty Sensor.................................................................................................. II-29
2.4 Drum Unit................................................................................................................................ II-30
2.4.1 Photosensitive Drum ................................................................................................. II-30
2.4.2 Primary Charger ........................................................................................................ II-30
2.4.3 Developer Roller........................................................................................................ II-30
2.4.4 Transfer Roller........................................................................................................... II-30
2.4.5 Cleaner Roller............................................................................................................ II-30
2.4.6 Erase Lamp .............................................................................................................. II-30
2.5 Print Process .......................................................................................................................... II-30
2.5.1 Charging ................................................................................................................... II-30
2.5.2 Exposure Stage ......................................................................................................... II-31
2.5.3 Developing................................................................................................................. II-32
2.5.4 Transfer ..................................................................................................................... II-32
2.5.5 Drum Cleaning Stage ................................................................................................ II-33
2.5.6 Erasing Stage ............................................................................................................ II-33
2.5.7 Fixing Stage............................................................................................................... II-33
CHAPTER III DISASSEMBLY AND REASSEMBLY.......................................III-1
1. SAFETY PRECAUTIONS..................................................................................................III-1
2. DISASSEMBLY FLOW......................................................................................................III-2
3. DISASSEMBLY PROCEDURE .........................................................................................III-3
3.1 Output Tray ASSY ................................................................................................................... III-3
3.2 Drum Unit................................................................................................................................. III-3
3.3 Top Cover ................................................................................................................................ III-4
3.4 Rear Cover .............................................................................................................................. III-4
3.5 MP Sheet Feeder ASSY .......................................................................................................... III-5
3.6 Fixing Unit ................................................................................................................................ III-6
3.7 Scanner Unit ............................................................................................................................ III-8
3.8 Main PCB ASSY .................................................................................................................... III-10
3.9 Base Plate ASSY ................................................................................................................... III-10
3.10 Panel Sensor PCB ASSY ......................................................................................................III-11
3.11 Low-voltage Power Supply PCB ASSY ................................................................................. III-12
3.12 High-voltage Power Supply PCB ASSY................................................................................. III-13
3.13 Sub Fan Motor ASSY ............................................................................................................ III-14
3.14 Fan Motor ASSY ................................................................................................................... III-14
3.15 Drive Unit ............................................................................................................................... III-15
3.16 Main Motor ASSY .................................................................................................................. III-16
3.17 Sub Motor ASSY.................................................................................................................... III-16
3.18 Paper Support........................................................................................................................ III-17
3.19 Extension Support Wire ......................................................................................................... III-17
4. PACKING ........................................................................................................................III-18