Brother International HL-3400CN Service Manual - Page 16
controller
UPC - 012502526223
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HL-3400CN SERVICE MANUAL No. Part Name 1 Upper cover Outline of Functions To act as an upper enclosure and also as a paper tray for printed paper. 2 Control panel To display the status of printer operations and control the printer directly. 3 Front cover 4 Top cover (Paper exit unit) 5 Power button 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) 6 Power inlet . 7 Rear access cover . 8 Controller box 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. 1-7