Samsung CLX-9250ND - Page 102

2. Product
d
2.11.3 Engine controller
The Engine Controller is composed of an ARM-based
SDRAM, Serial Flash memories, and other drivers for
manages an Electro
photography system controls the
Diagram of Engine Controller
manages
an
Electro
-
photography
system
,
controls
the
LSU, provides high-voltages and PWMs, adjusts tem
p
signals. The Engine Controller also includes commu
n
Finishers.
Engine CPU
Local BUS
DDR2
S
32
M
Fl
a
2
M
Engin
e
Engine
Controller
SPI
J5E
UART
Engin
e
LP
E
LP
E
ATMEGA 88
Fans
D
C
Fans
Sensors
C
Mot
o
Clut
c
Sole
n
Service Manual
CLX-9250/9350 series
2-
8
d
escription
CPU (J5E), engine control SoCs (LPEC3) DDR2
mechanical elements. The Engine Controller
e Video Data of printing images from Main Board to
e
Video
Data
of
printing
images
from
Main
Board
to
p
erature in the fusing system, and reads sensor
n
ication control units for optional DCF, HCF, and
S
DRAM
M
B
a
sh
M
B
SMPS
Fuser
e
Con.
HVPS
e
Con.
E
C3
Control
E
C3
LSU
C
PWMs
Deve/ITB
BLDC/Step
Motors
DCF/HCF/Finisher
C
o
rs
c
h &
n
oid
PWMs
SAMSUNG ELECTRONICS
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5