Muratec MFX-C4000 Field Engineering Manual page 36

2.3.2.2 Engine Controller
The Engine Controller comprises an ARM-based CPU (J4E), engine control SoCs (LPEC1 & LPEC3),
SDRAM and Flash memories, and other drivers for mechanical elements. The Engine Controller manages an
Electro-photography system, controls the Video Data of printing images from Video Board to LSU, provides
PWMs and control signals for high voltages, adjusts temperature in the fusing system, and reads sensor
signals. The Engine Controller also includes control units for optional SCF and Finisher
Toner Motor
EXIT EXIT
BASE & BASE &
DUPLEX DUPLEX
ACR ACR
SMPS3 SMPS3
(SIGNAL) (SIGNAL)
CRUM I/F CRUM I/F
COVER COVER
OPEN OPEN
LOWER LOWER
SMPS1(24V) SMPS1(24V)
BLDC BK BLDC BK
CLUTCHS CLUTCHS
MP MP
T1 ENG T1 ENG
SENS SENS
SCF SCF
Service Manual
Product Specifications and Features
STEP MOT BLDC
FUSER
ROM (1MB) ROM (1MB)
T2 & BLDC T2 & BLDC
ITB ITB
ASIC ASIC
(LPEC1) (LPEC1)
BLDC OPC BLDC OPC
DEVE
CRUM
BLDC
DEVE
COVER
OPEN
UPPER
SDRAM SDRAM
(8MB) (8MB)
ASIC ASIC
(LPEC3) (LPEC3)
SMPS2(5V) SMPS2(5V)
FAN & FAN &
FUSER & FUSER &
HUMI HUMI
HVPS1 HVPS1
DUPLEX &
HVPS2
TOP SENS
FINISHER
2-22
THERMISTOR
EXIT SENS
SOC SOC
(Jupiter4E) (Jupiter4E)
MAIN IF MAIN IF
LSU P- LSU P-
MOTOR MOTOR
LSU C&K LSU C&K
LSU Y&M LSU Y&M
REGI REGI
SENSOR SENSOR
LSU TEMP
WASTE
MOT & LSU
CON