Brother International DCP-1400 Service Manual - Page 47

• Disassembly Order Flow 1.4 Document tray ASSY 1.5 Upper rear cover () Lower rear cover ?Paper cassette C)ADF unit - Document sensor PCB (NOTE 1) C) Scanner unit Scanner top cover (1-11) Relay PCB °Access plates R and F TNCU shield TNCU PCB *4 *1 Provided on models supporting video capture. *2 Provided on models not supporting video capture. *3 Provided on models not equipped with the power switch. *4 Provided on models supporting facsimile function. *5 Provided on models available with a 2nd paper cassette (as an option). Scanner base - CCD unit - CCD rail -CCD motor - CCD flat cable - CCD HP sensor ?Speaker O Scanner mount - Exit roller O VC cover, VC bracket, and VC connector PCB *1 Control panel ASSY - Control panel PCB - FPC key -LCD O Paper sub tray and tray holder (NOTE 1) On the document sensor PCB are these sensors - Document front sensor - Document rear sensor (NOTE 2) On the heat-fixing unit is the heater thermistor. (NOTE 3) The main PCB monitors the internal resistance of the in-casing temperature sensor (thermistor) attached to the main chassis. (NOTE 4) On the paper ejection sensor PCB is the paper ejection sensor (photosensor). (NOTE 5) On the engine PCB are these photosensors: - Registration sensor - Manual insertion sensor - Cassette sensor (NOTE 6) On the toner sensor (light-receiver) PCB is a light-sensitive transistor. (NOTE 7) On the toner sensor (LED) PCB are an LED and cover sensor (photosensor). Bottom plate 1.22 'Main PCB Paper ejection (NOTE 3) sensor PCB (NOTE 4) Low-voltage power supply PCB and power inlet Inner insulation film 1.22 Bottom insulation film ® Engine PCB (NOTE 5) High-voltage power supply PCB Front cover Front sub cover Main cover yOuter chute Paper pinch rollers .242nd cassette relay PCB *5 1.17 Switch cover Laser unit Heat-fixing unit - Heater roller -FU lamp y (NOTE 2 Fan Drive gear ASSY - Main motor ASSY ED Develop joint and front cover link (as cover sensor actuator) 1.25 Toner sensor (lightreceiver) PCB (NOTE 6) Gears (Inner gear 54, gear 45 set P/R, gear 20 P/R, gear 40/54, gear 45 set F/R, and gear 20 F/R) Paper feed roller ASSY 1.25 Toner sensor (LED) PCB (NOTE 7) O Paper pick-up roller Clutch levers and cassette guide L 'Solenoid IV - 3