Block Diagram - Brother HL-L5000D Service Manual

2.4 Block Diagram

Non touch panel
models only
LCD panel ASSY
LCD
LCD relay PCB
Panel PCB
WLAN models only
MP paper empty
sensor PCB
T1 paper feed
sensor PCB
Registration front/
rear sensor PCB
Models with 520-sheet T1 and HL-5580D/5585D only
Center thermistor
Side thermistor
Fuser unit
T2TT pickup clutch
T2TT jam sensor PCB
T2TT paper empty sensor PCB
T2TT paper feed sensor PCB
T3TT pickup clutch
T3TT release clutch
T3TT jam sensor PCB
T3TT paper empty sensor PCB
T3TT paper feed sensor PCB
T4TT pickup clutch
T4TT release clutch
T4TT jam sensor PCB
T4TT paper empty sensor PCB
T4TT paper feed sensor PCB
T5TT pickup clutch
T5TT release clutch
T5TT jam sensor PCB
T5TT paper empty sensor PCB
T5TT paper feed sensor PCB
TT fan
TT balance sensor R
Touch panel models only
Color LCD
NFC models only
Key PCB NFC
Panel PCB
Wireless LAN PCB
High-voltage
power supply PCB
Paper empty sensor PCB
Eject sensor PCB
Low-voltage
Heater
power supply PCB
TT
T2TT
relay
PCB
T3TT
relay
PCB
TT
T4TT
control
relay
PCB
PCB
T5TT
relay
PCB
Low-voltage Power Supply PCB
TT motor
Relay connector
TT balance sensor L
Relay connector
Touch panel models only
T1: Models with 520-sheet only
LT
Main PCB
MX
Fig. 2-4
2-8
Eject stack sensor
External temperature/humidity sensor
Internal temperature sensor
Erase lamp PCB
Back cover/duplex
tray sensor
Eject motor
Develop release clutch
Relay front PCB
MP solenoid
T1 pickup clutch
New toner
sensor
Registration clutch
Toner amount
detection sensor
PCB (light reception)
Front cover sensor
Laser unit
LD PCB
BD sensor Polygon motor
Paper feed motor
Toner amount
detection sensor
Fuser fan
PCB (light emission)
Models with 520-sheet only
LT paper empty
sensor PCB
LT release clutch
LT control PCB
LT pickup clutch
LT paper feed
sensor PCB
MX 1bin switching solenoid
MX
MX 2bin switching solenoid
relay
PCB
MX 3bin switching solenoid
MX switching solenoid
MX 1bin stack sensor PCB
MX 2bin stack sensor PCB
MX
control
MX 3bin stack sensor PCB
PCB
MX 4bin stack sensor PCB
MX jam upper sensor
MX jam lower sensor
MX motor
MX 2bin detection sensor
MX 4bin detection sensor
MX back cover sensor
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