2-10
Confidential
2.4 Block Diagram
Fig. 2-4
Main PCB
Back cover sensor Registration clutch
T1 pick-up clutch
Develop clutch
Paper feed motor
Process motor
Top cover sensor
New toner sensor
Panel PCB
Panel control PCB
NFC PCB
Touch panel
LCD
Wireless LAN PCB
High-voltage
power supply PCB
LED control PCB
Develop release
clutch
External temperature/
humidity sensor
T1 paper empty/paper
feed sensor PCB
Low-voltage power
supply PCB
Duplex clutch
Eject sensor PCB
Manual feed paper
empty/regist rear/
regist front sensor
PCB
Internal temperature
sensor
Center thermistor
Side thermistor
Main heater
Cartridge sensor
relay PCB
Thermostat
Registration mark
sensor L PCB
Registration mark
sensor R PCB
Fuser unit
Develop release
sensor PCB
Fan
Waste toner sensor
LED ASSY (Black)
LED ASSY (Magenta)
LED ASSY (Cyan)
LED ASSY (Yellow)
Control panel (Touch panel model only)
Panel PCB LCD
Control panel (1 line LCD model only)
Cartridge sensor (Black)
Cartridge sensor (Magenta)
Cartridge sensor (Cyan)
Cartridge sensor (Yellow)
Cartridge sensor relay flat cable
Paper feed
motor flat cable
Process motor
flat cable
High-voltage power
supply flat cable
LED control
flat cable
Panel flat cable
NFC flat cable
LED ASSY flat cable
(4 pcs)
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