Brother International MFC-9880N Service Manual - Page 43
Control Electronics
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3. CONTROL ELECTRONICS The hardware configuration of the machine is shown below. Line External TEL Document tray open sensor 5-pin Control panel PCB LAN board *1 VC 2-pin connector PCB *2 NCU PCB *3 11-pin Centronics USB parallel interface Relay PCB 4-pin 5-pin 15-pin Document sensor PCB (Document front sensor and document rear sensor) ADF motor ADF UNIT CCD unit 14-pin 5-pin CCD motor 13-pin 2-pin Speaker 8-pin CCD HP sensor SCANNER UNIT Main PCB 3-pin Paper ejection sensor PCB (Paper ejection sensor) 2-pin In-casing temperature sensor (thermistor) Low-voltage power supply PCB Heater (FU) lamp Heater thermistor Jam sensor Heat-fixing unit 6-pin Laser diode 5-pin 12-pin 2-pin Engine PCB (Manual insertion sensor, registration sensor, and cassette sensor) High-voltage power supply PCB Fan Solenoid LASER UNIT 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 supporting facsimile function. *4 Provided on models available with a 2nd paper cassette (as an option). Configuration of Machine III - 13