Brother HL-1040, HL-820, HL-1020 manual Chapter III Disassembly and Reassembly III-1

	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

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