Disassembly Flow - Brother DCP-9040CN Service Manual

7.

DISASSEMBLY FLOW

Basic Operation
AC cord
8.2
DX Feed ASSY
(DCP-9042CDN
MFC-9450CDN only)
8.9
Paper guide DX/
- Earth plate (15s/15s)
HV TR top cover
- Registration-mark sensor
PCB ASSY 1 (10s/10s)
- Registration-mark sensor
8.10
PCB ASSY 2 (10s/10s)
- Density sensor (10s/10s)
Transfer HVPS PCB unit
- Registration relay PCB
ASSY (10s/10s)
- Transfer HVPS PCB
ASSY (20s/ 20)
8.11
Registration-mark sensor PCB
ASSY 1, 2/ Density sensor/
Registration relay PCB ASSY/
Transfer HVPS PCB ASSY
8.36
Waste toner near/full
sensor ASSY
8.13
8.24 8.26
95s / 120s
Paper feed frame unit THM/HUM sensor
(35s/50s)/
T1 PE/edge sensor
PCB ASSY (60s/70s)
8.34
8.25
20s / 50s
Engine PCB ASSY
Belt cleaner release
sensor PCB ASSY
8.35
Main PCB ASSY/
Ground plate/
Ground spring plate
8.38
8.42
10s / 10s
8.39
Develop release
Drum drive ASSY/
sensor PCB ASSY
Drum phase sensor
PCB ASSY 1, 2
8.45
70s / 70s
8.40
Toner sensor PCB ASSY
Drive frame unit ASSY
K, Y, M, C (TE/NEW)
- Release drive holder
(10s/10s)
8.41
- Eeach sensor (15s/15s)
Paper feed/belt cleaner
Each
8.46
10s / 20s
8.48
New toner actuator/
New toner actuator
Drum lock lever L
spring
5s / 5s
20s / 20s
Toner cartridge
8.3 8.4
20s / 20s 15s / 15s
MP cover ASSY/
MP paper guide ASSY MP roller holder ASSY
10s / 10s
8.6
10s / 10s
Back cover upper
8.7
30s / 50s
45s / 60s
Paper eject ASSY
DX/SX
8.8
10s / 10s
75s / 75s
Back cover ASSY
40s / 40s
20s / 20s
Side plate LB
8.14
40s / 50s 10s / 10s
Drum unit fan (OPC)
holder ASSY
110s / 120s
40s / 40s
8.43
35s / 35s
Develop press
45s / 60s
drive L ASSY
Develop drive
motor ASSY
80s / 80s
8.44
20s / 20s
Front cover interlock
switch ASSY
15s / 20s
- Drum drive motor
(10s/10s)
- Drum drive ASSY
(50s/50s)
10s / 10s
- Drum phase sensor
PCB ASSY 1 (10s/10s)
motor ASSY - Drum phase sensor
PCB ASSY 2 (10s/10s)
15s / 15s
8.1
10s / 10s 25s / 25s
Drum unit Paper tray
8.23
20s / 20s 10s / 10s
MP lift arm 2/
Roller holder ASSY
8.12
30s / 30s
Side cover L ASSY
8.17
Driver PCB ASSY
8.18
Pull arm L/R
8.19
ADF unit
8.18
Document scanner unit
8.20
8.21
(MFC-9440CN/9450CDN only)
8.22
8.27
10s / 15s
Release rack
8.28
60s / 70s
Front door unit ASSY
8.29
10s / 10s
Harness cover MP
8.30
20s / 20s
Front door sub
8.31
20s / 40s
EL electrode spring L/R
8.32
50s / 60s
Hook cover/
Front cover release button/
Button spring (30s/30s)/
Front door main (20s/30s)
8.33
20s / 20s
Hook shaft/ Hook/
Hook spring
3-28
Disassembly / Re-Assembly (sec.)
5s / 5s
Belt unit Waste toner box
8.5 8.16
20s / 25s
Fuser unit/ Paper stopper
Toner filter frame ASSY
8.15
30s / 30s
Side cover R ASSY
15s / 30s
8.47 8.49
35s / 35s
30s / 45s
Side plate R ASSY
8.50
15s / 15s
40s / 55s
Charge HVPS
PCB ASSY
Each
45s / 50s
8.52
8.51
10s / 20s
Toner LED PCB ASSY
30s / 45s 8.53
Panel unit
60s / 60s 8.54
NCU PCB ASSY
40s / 40s
8.55
Joint cover ASSY
8.22
20s / 20s
8.56
Speaker ASSY
8.37
80s / 80s
Laser unit (60S /60S)
Hook slope (20s 20s)
5s / 5s
5s / 15s
15s / 15s
Drum lock lever R
5s / 5s
Fuser unit fan (FU)
5s / 5s
LVPS fan (PS)
5s / 5s
Air intake fan (AIR)
40s / 60s
PS PCB unit
60s / 70s
Belt unit drive
motor ASSY
Confidential