2HJ/2HK
2-3-3
2-3-2
Engine controller PWB
Figure 2-3-2Engine controller PWB block diagram
Engine controller PWB
Sensor
PWB
Power
supply
PWB
Clutches
Feed
motor
Fuser
motor
Developer
drive stop motor
Optional
paper
feeder/
duplexer
Bias high
voltage
PWB
Toner ID
sensor
Analog
switches
(U24, U25)
D-A converter
(U28)
Transfer charger control
Sensor signals
Fuser motor
driver IC (U22)
Drum motor
driver IC (U14)
Toner motor
driver circuit
(Q14, Q16)
Controller box
fan motor driver
circuit (Q39)
Eraser driver
circuit (Q13)
Fan motor
driver circuit
(Q27)
Feed motor
driver IC (U21)
Clutch driver
circuit (Q39)
Sleep mode
circuit
Abnormal temperature
detection circuit (U1)
Zero cross signal
Exit sensor signal
Face up/down solenoid control
Fuser heater lamps control
Fuser thermistor signals
Sleep signal
Address bus
Micro
controller
(U8)
Flash
memory
(U9)
Address bus
Data/Address
multiplex bus
Operation
panel
PWB
Reset IC
(U10)
LED print heads control
Main
controller
PWB
LED
print
heads
relay
PWB
Controller
box fan
motor
Main
high
voltage
PWB
Engine
relay
PWB
EEPROMs control
Paper full sensor signal
Main charger control
Primary transfer
motor driver IC (U18)
Toner sensors signals
Sensors/switches signals
(U15)
(U16)
(U17)
(Q15, Q17)
(Q20, Q22)
(Q21, Q23)
(Q12)
(Q11)
(Q10)
EEPROM
(U12)
(Q40)
(Q41)
(Q28)
(Q8)
(Q9)
+5V
+3.3V
+24V
+24V
ASIC
(U13)
RESET
RESET
Содержание CLP3316
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