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Confidential
3-21
7. DISASSEMBLY FLOW
8.1
AC
cord
Basic
Operation
(HL-4070CDW
only)
(HL-4050CDN/
HL-4070CDW
only)
Disassembly
/
Re-Assembly
(sec.)
5s
/
5s
8.7
DX
feed
ASSY
20s
/
20s
8.8
MP
cover
ASSY/
MP
paper
guide
ASSY
15s
/
15s
8.14
Paper
guide
DX/
HV
TR
top
cover
10s
/
10s
8.9
MP
lift
arm
2/
MP
roller
holder
ASSY
20s
/
20s
8.11
Back
cover
upper
10s
/
10s
8.15
Transfer
HVPS
PCB
unit
45s
/
60s
8.24
THM/HUM
sensor
holder
ASSY
40s
/
50s
8.32
Engine
PCB
ASSY
110s
/
120s
8.33
Main
PCB
ASSY/
Ground
plate/
Ground
spring
plate
40s
/
40s
8.47
Develop
drive
motor
ASSY
45s
/
60s
8.48
Drum
drive
ASSY/
Drum
phase
sensor
PCB
ASSY
1,
2
80s
/
80s
8.49
Drive
frame
unit
ASSY
15s
/
20s
8.50
Paper
feed/belt
cleaner
motor
ASSY
10s
/
10s
8.57
Drum
lock
lever
L
15s
/
15s
8.23
Belt
cleaner
release
sensor
PCB
ASSY
20s
/
50s
8.54
Toner
sensor
PCB
ASSY
K,
Y,
M,
C
(TE/NEW)
70s
/
70s
8.55
New
toner
actuator/
New
toner
actuator
spring
Each
10s
/
20s
8.51
Develop
release
sensor
PCB
ASSY
10s
/
10s
8.19
Drum
unit
fan
(OPC)
10s
/
10s
8.52
Develop
press
drive
L
ASSY
35s
/
35s
8.53
Front
cover
interlock
switch
ASSY
20s
/
20s
8.22
Paper
feed
frame
unit
(35s/50s)/
T1
PE/edge
sensor
PCB
ASSY
(60s/70s)
95s
/
120s
8.34
Waste
toner
near/full
sensor
ASSY
40s
/
40s
8.12
Paper
eject
ASSY
DX/SX
30s
/
50s
8.16
Registration-mark
sensor
PCB
ASSY
1,
2/
Density
sensor/
Registration
relay
PCB
ASSY/
Transfer
HVPS
PCB
ASSY
-
Earth
plate
(15s/15s)
-
Registration-mark
sensor
PCB
ASSY
1
(10s/10s)
-
Registration-mark
sensor
PCB
ASSY
2
(10s/10s)
-
Registration
relay
PCB
ASSY
(10s/10s)
-
Transfer
HVPS
PCB
ASSY
(20s/
20)
-
Density
sensor
(10s/10s)
-
Drum
drive
motor
(10s/10s)
-
Release
drive
holder
(10s/10s)
-
Eeach
sensor
(15s/15s)
-
Drum
drive
ASSY
(50s/50s)
-
Drum
phase
sensor
PCB
ASSY
1
(10s/10s)
-
Drum
phase
sensor
PCB
ASSY
2
(10s/10s)
75s
/
75s
8.13
Back
cover
ASSY
10s
/
10s
8.17
Side
cover
L
ASSY
30s
/
30s
8.25
Release
rack
10s
/
15s
8.26
Front
door
unit
ASSY
60s
/
70s
8.27
Harness
cover
MP
10s
/
10s
8.28
Front
door
sub
20s
/
20s
8.29
EL
electrode
spring
L/R
20s
/
40s
8.30
Hook
cover/
Front
cover
release
button/
Button
spring
(30s/30s)/
Front
door
main
(20s/30s)
50s
/
60s
8.31
Hook
shaft/
Hook/
Hook
spring
20s
/
20s
8.20
Side
cover
R
ASSY
30s
/
30s
8.35
Top
cover
ASSY
30s
/
30s
8.36
Top
cover
panel
ASSY
15s
/
15s
8.46
Laser
unit
(60s/60s)/
Hook
slope
(20s/20s)
80s
/
80s
8.45
Wireless
LAN
PCB
ASSY
10s
/
10s
8.37
20s
/
20s
8.38
LCD
panel
PCB
ASSY
5s
/
5s
8.39
Rubber
key
printed
ASSY
5s
/
15s
8.40
20s
/
20s
8.42
Key
Cap
Up/
Down,
L,
R
50s
/
50s
8.41
LCD
panel
ASSY/
LCD
stopper
USB
host
relay
PCB
ASSY
8.56
35s
/
35s
8.59
Side
plate
R
ASSY
15s
/
15s
8.60
Each
10s
/
20s
Charge
HVPS
PCB
ASSY
Toner
LED
PCB
ASSY
Paper
chute
15s
/
15s
8.61
5s
/
5s
8.62
5s
/
5s
8.63
Air
intake
fan
(AIR)
Fuser
unit
fan
(FU)
8.58
15s
/
15s
Drum
lock
lever
R
LVPS
fan
(PS)
5s
/
5s
8.64
40s
/
60s
8.65
60s
/
70s
PS
PCB
unit
Belt
unit
drive
motor
ASSY
8.43
Top
cover
R
10s
/
10s
8.44
Top
cover
L
ASSY
20s
/
20s
8.18
Side
plate
LB
20s
/
20s
8.21
Roller
holder
ASSY
10s
/
10s
8.10
Fuser
unit/
Toner
filter
frame
ASSY
20s
/
25s
8.2
Toner
cartridge
20s
/
20s
8.3
Drum
unit
10s
/
10s
8.6
Paper
tray
25s
/
25s
8.4
Belt
unit
5s
/
5s
8.5
Waste
toner
box
5s
/
5s
Содержание HL-4040CN
Страница 265: ...Confidential 4 7 11 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 320: ...Confidential 6 12 Charge High voltage Power Supply PCB Circuit Diagram 1 4 ...
Страница 321: ...Confidential 6 13 Charge High voltage Power Supply PCB Circuit Diagram 2 4 ...
Страница 322: ...Confidential 6 14 Charge High voltage Power Supply PCB Circuit Diagram 3 4 ...
Страница 323: ...Confidential 6 15 Charge High voltage Power Supply PCB Circuit Diagram 4 4 ...
Страница 324: ...Confidential 6 16 Transfer High voltage Power Supply PCB Circuit Diagram 1 2 ...
Страница 325: ...Confidential 6 17 Transfer High voltage Power Supply PCB Circuit Diagram 2 2 ...
Страница 326: ...Confidential 6 18 Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 327: ...Confidential 6 19 Low voltage Power Supply PCB Circuit Diagram 200V ...