Brother HL-1020, HL-820, HL-1040 manual Shows a general block diagram of the HL-1050 printer

HL-1050

Fig. 2-3 shows a general block diagram of the HL-1050 printer.

Low-voltage power supply block

High-voltage power supply block

Optional RAM (SIMM)	Optional I/F board	device
		External
(max. 32Mbytes)	(Mac. RS-232C)

Control system
Expansion memory I/O	Expansion I/O
		device
	Interface block	External
Video control block
Engine control block	Operation block
	(Operation	panel)

Erase lamp

Laser scanner unit		Drive block	Paper tray unit
		(Stepping motor)
			Paper tray
Drum unit			Manual feed
	Transfer block
		Cleaner	Fixing unit
Developing	Drum
block		block
Charging			Paper eject block
block
			Paper feed system
	Toner cartridge

Image generation system

Fig. 2-3

II-3