2-11
Confidential
2.4 Block Diagram
Fig. 2-5
T2 paper tray unit
USB host relay PCB ASSY
Front cover sensor
Process motor
Main motor
Back cover sensor ASSY
Toner/new sensor
PCB ASSY
Develop release sensor
PCB ASSY
T1 paper feed sensor PCB ASSY
Registration front/rear
sensor PCB ASSY
MP solenoid
Registration solenoid
Internal temperature sensor
Center thermistor
Fuser fan
T1 solenoid
Develop clutch
Blower
T2 paper feed/
plate origin sensor PCB
T2 solenoid
T2 plate motor
T2 relay
PCB ASSY
Wireless LAN PCB
MP paper empty/registration
front sensor PCB ASSY
Registration mark sensor L PCB
Waste toner
sensor
Eject
sensor
PCB
ASSY
Registration mark sensor R PCB
LD PCB ASSY
Polygon motor
Side thermistor
Heater
Low-voltage power supply
PCB unit
High-voltage power
supply PCB ASSY
Toner sensor
(Light emission)
EL emission circuit
External temperature/
humidity sensor
Fuser unit
Main PCB
ASSY
Develop release clutch
Develop release drive unit
Switch back solenoid
Panel control
PCB ASSY
Color LCD
Touch panel
Key PCB ASSY
LD SUB
PCB ASSY
BD sensor
PCB ASSY
NFC PCB ASSY
Paper eject origin sensor
T2 registration sensor PCB
MP registration front sensor
Laser unit
Control panel ASSY
ADF motor
Second side CIS unit
Registration mark sensor unit
Main drive unit
Process drive unit
First side CIS unit
Document scanner motor
Speaker
Paper feed unit
Paper eject ASSY
ADF cover/document
detection sensor PCB
First side document scanning
position sensor PCB
Second side document scanning
position sensor PCB
ADF unit
Document scanner unit
Power fan
Содержание DCP-L8400CDN
Страница 38: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 Right side Left side Face up Document scanning feed path ...
Страница 249: ...3 85 Confidential 3 Remove the ADF spring from the Upper ADF chute Fig 3 95 ADF spring Upper ADF chute ...
Страница 277: ...3 113 Confidential 9 35 LCD 1 Remove the LCD from the Control panel ASSY Fig 3 145 Control panel ASSY LCD ...
Страница 391: ...5 7 Confidential Common to first and second side Fig 5 1 ...