Brother HL-1030, 1240, 1250 service manual Disassembly and RE-ASSEMBLY

TABLE OF CONTENTS

		2.2.3	Paper eject	3-24
	2.3	Sensors		3-24
		2.3.1 Cover sensors A and B		3-24
		2.3.2	Toner sensor	3-25
	2.4	Drum Unit		3-25
		2.4.1	Photosensitive drum	3-25
		2.4.2	Primary charger	3-25
		2.4.3	Transfer roller	3-25
		2.4.5	Cleaner	3-25
	2.5	Toner Cartridge		3-25
	2.6	Print Process		3-26
		2.6.1	Charging	3-26
		2.6.2	Exposure stage	3-26
		2.6.3	Developing	3-27
		2.6.4	Transfer	3-28
		2.6.5	Fixing stage	3-28
CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY				4-1
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	Paper Cassette		4-4
	3.4	Network Board (for HL-1270N only)		4-10
	3.5	Front Cover		4-11
	3.6	Top Cover		4-12
	3.7	Main Cover		4-13
	3.8	Laser Unit		4-15
	3.9	Drive Unit		4-16
	3.10	Fixing Unit		4-18
	3.11	Base Plate		4-27
	3.12	Main PCB ASSY		4-29
	3.13	Lower Tray Relay PCB ASSY (for HL-1250/1270N only)		4-29
	3.14	Low-voltage Power Supply PCB ASSY		4-30
	3.15	Engine PCB ASSY / High-voltage Power Supply PCB ASSY		4-31
	3.16	Panel PCB ASSY		4-33
	3.17	Solenoid ASSY		4-33
	3.18	Fan Motor ASSY		4-36
	3.19	Toner Sensor PCB ASSY (Light Emission)		4-37
	3.20	Toner Sensor PCB ASSY (Light Reception)		4-37
	3.21	Paper Pick-up Roller ASSY		4-38
	3.22	Paper Feed Roller ASSY		4-39
	3.23	Outer Chute 1		4-39A
4.	PACKING			4-40

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