Brother International MFC 8500 Service Manual - Page 38
Control Electronics - hardware
UPC - 012502603832
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3. CONTROL ELECTRONICS The hardware configuration of the facsimile equipment is shown below. LAN board *1 VC connector PCB *2 Centronics USB parallel interface Control panel PCB ASSY Control panel PCB (Document front sensor) Document sensor PCB (Document rear sensor) Line External TEL Handset NCU PCB Hook switch PCB *3 Speaker *5 Main PCB Paper ejection sensor PCB (Paper ejection sensor) In-casing temperature sensor (thermistor) SCANNER UNIT CIS unit Scanner motor Low-voltage power supply PCB Heater (FU) lamp Heater thermistor Jam sensor Heat-fixing unit Laser diode LASER UNIT Engine PCB (Manual insertion sensor, registration sensor, and cassette sensor) High-voltage power supply PCB Fan Solenoid Polygon motor 2nd cassette relay PCB *4 Main motor Toner sensor PCBs (Toner sensor LED, light-receiver, and cover sensor) LASER PRINTING UNIT 2nd paper cassette *4 2nd cassette sensor PCB (2nd cassette sensor & 2nd registration sensor) Solenoid *1 Provided on models supporting LAN interface. *2 Models supporting the video capture are not available now. *3 Provided on models equipped with a handset. *4 Provided on models available with a 2nd paper cassette (as an option or standard). *5 Provided on European models. Configuration of Facsimile Equipment III - 12