Brother MFC-9840CDW, DCP-9045CDN 7.DISASSEMBLY FLOW

7.DISASSEMBLY FLOW

Disassembly / Re-Assembly (sec.)

Basic Operation

5s / 5s

20s / 20s

10s / 10s

8.1

25s / 25s

5s / 5s

5s / 5s

AC cord

Toner cartridge

Drum unit

Paper tray

Belt unit

Waste toner box

8.2

20s / 20s

8.3

15s / 15s

8.4

20s / 20s

8.5

20s / 25s

8.16

25s / 25s

10s / 10s

8.26

DX Feed ASSY

MP cover ASSY/

MP lift arm 2/

Fuser unit/

Paper stopper

Roller holder ASSY

MP paper guide ASSY

MP roller holder ASSY

Toner filter frame ASSY

8.20

30s / 45s

8.9

Panel unit

10s / 10s

8.6

10s / 10s

8.8

10s / 10s

8.12

30s / 30s

- Earth plate (15s/15s)

Paper guide/

Back cover upper

Back cover ASSY

Side cover L ASSY

- Registration-mark sensor

HV TR top cover

PCB ASSY 1 (10s/10s)

8.7

- Registration-mark sensor

8.10

30s / 50s

8.15

30s / 30s

PCB ASSY 2 (10s/10s)

45s / 60s

- ADF cover (20s/25s)

- Density sensor (10s/10s)

Transfer HVPS PCB unit

Paper eject ASSY DX

- ADF front cover (20s/20s)

Side cover R ASSY

- Registration relay PCB

- ADF back cover (20s/20s)

8.17

15s / 30s

ASSY (10s/10s)

- ADF chute ASSY (50s/80s)

- Transfer HVPS PCB

- Main chute (35s/45s)

Driver PCB ASSY

- Sub chute ASSY(10s/10s)

ASSY (20s/20s)

8.11

75s / 75s

- Each LF Roller (60s/80s)

Registration-mark sensor PCB

- Hinge arm (5s/5s)

8.18

8.50

8.52

- Hinge base (15s/15s)

30s / 45s

35s / 35s

15s / 15s

ASSY 1, 2/ Density sensor/

- Hinge L ASSY (10s/15s)

Registration relay PCB ASSY/

- PF roller holder ASSY (15s/20s)

Pull arm L, R/ Hinge

Side plate R ASSY

Drum lock lever R

Transfer HVPS PCB ASSY

- Exit roller ASSY (15s/20s)

protection cover ASSY

- ADF relay PCB ASSY (10s/10s)

8.53

8.39

etc.

8.19

660s / 800s

15s / 15s

40s / 40s

Charge HVPS

Waste toner near/full

- Scanner top cover ASSY (25s/35s)

ADF unit

PCB ASSY

sensor ASSY

- Lock lever ASSY (15s/15s)

8.21

8.54

Each

8.55

- CCD module (20s/35s)

220s / 280s

10s / 20s

5s / 5s

- FFC cable ASSY (10s/20s)

Document scanner unit

Fuser unit fan (FU)

- Scanner motor (30s/40s)

Toner LED PCB ASSY

8.13

20s / 20s

- Pulley ASSY (10s/20s)

- Photo interrupter (10s/15s)

8.22

8.56

5s / 5s

Side plate LB

- Dressing cover FB FL/FR (30s/30s)

60s / 60s

- Dressing cover FB base L/R (30s/30s)

NCU PCB ASSY

LVPS fan (PS)

- Dressing cover FB top (15s/15s)

8.23

30s / 45s

8.57

5s / 5s

8.27

95s / 120s

8.29

40s / 50s

8.14

10s / 10s

Battery ASSY

Air intake fan (AIR)

Paper feed frame unit

THM/HUM sensor

Drum unit fan (OPC)

8.24

40s / 40s

8.58

40s / 60s

(35s/50s)/

holder ASSY

T1 PE/edge sensor

Joint cover ASSY

PS PCB unit

PCB ASSY (60s/70s)

8.28

20s / 50s

8.37

110s / 120s

8.30

10s / 15s

8.25

20s / 20s

8.59

60s / 70s

Speaker ASSY

Belt unit drive

Belt cleaner release

Release rack

Engine PCB ASSY

motor ASSY

sensor PCB ASSY

8.40

80s / 80s

8.31

60s / 70s

8.38

40s/ 40s

Laser unit (60s/ 60s)

Front door unit ASSY

Main PCB ASSY/

Hook slope (20s/ 20s)

Ground plate/

Ground spring plate

8.46

8.32

10s / 10s

35s / 35s

8.41

45s / 60s

Develop press

Harness cover MP

drive L ASSY

Develop drive

motor ASSY

8.33

20s / 20s

8.45

10s / 10s

8.42

8.47

Front door sub

80s / 80s

20s / 20s

Develop release

Drum drive ASSY/

Front cover interlock

8.34

20s / 40s

sensor PCB ASSY

Drum phase sensor

switch ASSY

8.48

PCB ASSY 1, 2

EL electrode spring L/R

70s / 70s

8.43

15s / 20s

- Drum drive motor

8.35

50s / 60s

Toner sensor PCB ASSY

Drive frame unit ASSY

Hook cover/

K, Y, M, C (TE/NEW)

(10s/10s)

Front cover release button/

- Release drive holder

- Drum drive ASSY

Button spring (30s/30s)/

(10s/10s)

8.44

10s / 10s

(50s/50s)

Front door main (20s/30s)

- Eeach sensor (15s/15s)

- Drum phase sensor

Paper feed/belt cleaner

PCB ASSY 1 (10s/10s)

8.36

20s / 20s

Each

motor ASSY

- Drum phase sensor

8.49

10s / 20s

PCB ASSY 2 (10s/10s)

Hook shaft/ Hook/

New toner actuator/

8.51

15s / 15s

Hook spring

New toner actuator

spring

Drum lock lever L

3-31 Confidential