Brother HL-3450CN Service Manual page 23

No. Part Name
1 Upper cover
2 Control panel
3 Front cover
Top cover (Paper exit
4
unit)
5 Power button
6 Power inlet
7 Rear access cover
8 Controller box
Outline of Functions
To act as an upper enclosure and also as a
paper tray for printed paper.
To display the status of printer operations and
control the printer directly.
To act as a front enclosure, opened when
replacing a toner cartridge or waste toner pack.
To exit the printed paper onto the upper cover,
acting also as part of the paper tray for printed
paper. To be opened when replacing an OPC
belt cartridge or Drum cleaner.
To operate power-on and off to the printer.
(Push for On/Off operation)
To connect a power supply cable.
To act as a rear enclosure, opened when
clearing an internal jam or doing maintenance
work.
Space where the main (video controller) PCB is
installed.
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HL-3450CN SERVICE MANUAL