Disassembly Order Flow - Brother MFC 9760 - B/W Laser - All-in-One Service Manual

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Disassembly Order Flow

1.4
Document tray
ASSY
1.6
1.7
Scanner unit
Scanner top cover
Scanner base
- CCD
motor
1.9
Speaker
1.10
Scanner mount
- Exit roller
1.12
VC cover, VC
bracket, and VC
1
connector PCB *
1.13
Front cover
2
Front sub cover *
1.15
Main cover
1.14
Outer chute
1.16
3
Switch cover *
1.5
Upper rear cover
ADF unit and
1.8
document tray
open sensor
- Document
sensor PCB
(NOTE 1)
- CCD unit
- CCD rail
- CCD flat
cable
(NOTE 2)
1.7
Control panel ASSY
- Control panel PCB
- FPC key
- LCD
1.11
Paper sub tray
and tray holder
1.14
Paper pinch
rollers
1.17 1.18
Heat-fixing unit
Laser unit
- Heater roller
- FU lamp
(NOTE 3)
1.19
Fan
1.26
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)
1.26 1.28
Paper pick-up Clutch levers and
roller cassette guide L
1.1
Lower rear cover
1.2
Access plates
R and F
Relay PCB
1.21
NCU shield
1.21
4
NCU PCB *
(NOTE 1) On the document sensor PCB are these sensors
(NOTE 2) On the scanner base is a CCD HP sensor.
(NOTE 3) On the heat-fixing unit are a jam sensor and heater thermistor.
(NOTE 4) The main PCB monitors the internal resistance of the in-casing
(NOTE 5) On the paper ejection sensor PCB is the paper ejection sensor
(NOTE 6) On the engine PCB are these photosensors:
(NOTE 7) On the toner sensor (light-receiver) PCB is a light-sensitive
(NOTE 8) On the toner sensor (LED) PCB are an LED and cover sensor
1.22
1.22 1.22
Paper ejection
Main PCB
sensor PCB
(NOTE 4)
1.22
Bottom
insulation film
1.20
Drive gear ASSY
- Main motor ASSY
1.20
Develop joint and
front cover link (as cover
sensor actuator)
1.27
Paper feed
roller ASSY
1.28
IV - 3
1.3
Paper cassette
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).
- Document front sensor
- Document rear sensor
On the harness support is a document tray open sensor.
temperature sensor (thermistor) attached to the main chassis.
(photosensor).
- Registration sensor
- Manual insertion sensor
- Cassette sensor
transistor.
(photosensor).
Bottom plate
1.23
Low-voltage power
supply PCB and
power inlet
(NOTE 5)
1.24
Engine PCB
1.25
Toner sensor (light-
receiver) PCB
(NOTE 7)
1.25
Toner sensor
(LED) PCB
(NOTE 8)
Solenoid
1.24
Inner
insulation film
1.24
High-voltage power
supply PCB
(NOTE 6)
1.24
2nd cassette
5
relay PCB *