Disassembly Flow - Brother HL-3450CN Service Manual

3. DISASSEMBLY FLOW

1. RIGHT SIDE
4.1.1
Side Cover (R)
4.1.2
Base Cover (R)
4.1.3
Main Motor
4.1.4
Developer
Drive Motor
4.1.5
IOD2 PWB
4.1.6
Registration Clutch
4.1.7
TR Cam Clutch
4.1.8
Cleaner Clutch
Cleaner Cam Clutch
Fuser Clutch
4.1.9
Ozone Fan
2.TOP
4.2.2
Panel PWB
Upper Side
(LCD inclusive)
Cover (LU)
Side Cover (L)
BD3 4.1.10
Gear Assembly
Base Cover (L)
4.1.11
Main Gear Unit
Upper Cover
Paper Feeding
4.1.12
Clutch
EP3
Gear Assembly
Side Cover (LF)
4.1.13
WT Holder
Assembly
IOD1 PWB
4.1.14
Developer Drive
Unit
Control Fan
Interlock Switch
(Top)
4.1.15
Developer Clutch
Belt Sensor(PBS)
4.1.16
Toner Sensor
(TPD)
Transfer Drum
4.1.17
Waste Toner
Feeder (L)
3.LEFT SIDE
4.2.1
Video Controller PCB
4.3.1
MCTL PWB
4.2.3 4.3.2
High-voltage Power
4.3.3
Supply Unit
4.2.4
Interlock Switch 4.3.4
(Rear)
4.2.5
Drum Encoder
4.3.5
Sensor (PS)
4.3.6
Fuser Connector
4.2.6
4.3.7
Rear Cover (R)
4.2.7
4.3.8
Low-voltage Power
Supply Unit
4.2.8
Interlock
4.3.9
Switch (Front)
Toner Key Sensor 4.3.10
(TNK)
Toner Sensor
4.3.11
(TTR)
4.2.9
4.2.11
Erase Lamp
4.2.10
Erase Holder
Drum Jam
4.2.12
Sensor (DPJ)
4.2.13
Oil Sensor (OIL)
4.PAPER EXIT
(Transfer Unit)
UNIT
4.4.1
Rear Cover (U)
Rear Access Cover
Transfer Unit
4.4.2
Top Cover
Transfer Roller
Fuser Fan
Register Roller
4.4.3
Cleaning Roller
Sensor (PS)
Paper Size
4.4.4
Paper Full
Sensor (PSU)
Sensor (PS)
4.4.5
Paper Exit
Sensor (PS)
Paper Feed Roller
Separator Pad
4.4.6
Discharger Brush
Paper Empty
Sensor(PS)
4.4.7
Paper Exit Roller
OHP Sensor
Paper Feeding
Sensor (PS)
7. FUSING
5. FRONT
4.5.1
Front Outer Cover Oil Pan Unit
Oil Pad
4.5.2
Front Cover Unit
Fusing Heater
4.5.3
Laser Unit
7-9
6.REAR
4.6.1
4.6.2
4.6.3
4.6.4
4.6.5
4.6.6
(OHP)
4.6.7
UNIT
4.7.1
4.7.2
4.5.3
Lamp