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MX-4070N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 14
MPWS
Paper width sensor (Manual paper feed tray)
Volume type resistor
Detects the paper width (Manual paper feed tray)
OCSW
Paper size detection trigger sensor
Transmission type
Detects generation of the paper size detection trigger signal
POD1
Paper exit sensor 1
Transmission type
Detects paper transport from the fusing section
POD2
Paper exit sensor 2
Transmission type
Detects paper transport to the lower paper exit tray
POD4
Paper exit sensor 4
Transmission type
Detects paper transport to the upper paper exit tray
PPD2
Paper transport sensor 2
Reflection type
Detects paper pass in the transport roller 5 and registration roller
REGS_F/
PCS_F
PCS_F
Image registration / Density sensor (F)
Reflection type
Detects image color shift and the toner patch density
REGS_R/
PCS_R
PCS_R
Image registration / Density sensor (R)
Reflection type
Detects image color shift and the toner patch density
SHPOS
Shifter home position sensor
Transmission type
Detects the shifter home position
TCED_C
Toner cartridge ejector position sensor (C)
Transmission type
Detects ejecting position of toner cartridge (C)
TCED_K
Toner cartridge ejector position sensor (K)
Transmission type
Detects ejecting position of toner cartridge (K)
TCED_M
Toner cartridge ejector position sensor (M)
Transmission type
Detects ejecting position of toner cartridge (M)
TCED_Y
Toner cartridge ejector position sensor (Y)
Transmission type
Detects ejecting position of toner cartridge (Y)
TCS_C
Toner sensor (C)
Magnetic sensor
Detects toner supply from the toner cartridge
Detects the toner density (C)
Detects the toner density (C)
TCS_K
Toner sensor (K)
Magnetic sensor
Detects toner supply from the toner cartridge
Detects the toner density (K)
Detects the toner density (K)
TCS_M
Toner sensor (M)
Magnetic sensor
Detects toner supply from the toner cartridge
Detects the toner density (M)
Detects the toner density (M)
TCS_Y
Toner sensor (Y)
Magnetic sensor
Detects toner supply from the toner cartridge
Detects the toner density (Y)
Detects the toner density (Y)
TFD2
Paper exit tray full sensor (Lower paper exit
tray)
tray)
Magnetic sensor
Detects paper full in the lower paper exit tray
TH_CL/
HUD_CL
HUD_CL
Temperature / humidity sensor
Thermistor
Detects the temperature and the humidity
TH_LM
Fusing temperature sensor
Thermistor
Detects the surface temperature of the fusing roller (pressure)
TH_US1
Fusing temperature sensor
Thermistor
Detects the surface temperature at the edge section of the fusing belt
TH_UM
Fusing temperature sensor (main)
Thermistor
Detects the surface temperature at the center of the fusing belt
TH_US2
Fusing temperature sensor (sub)
Thermistor
Detects the surface temperature at the edge section of the fusing belt
TNFD
Waste toner full sensor
Transmission type
Detects full of waste toner
Signal name
Name
Type
Function and operation
MX-4070N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 15
8. Switches
Signal name
Name
Type
Function and Operation
DSW_F
Front door open/close switch
Micro switch
Detects open/close of the front door. Detects ON/OFF of the power line of
the fusing unit, the motors, and the LSU laser.
the fusing unit, the motors, and the LSU laser.
DSW_R
Right transport unit (right door) open/close
switch
switch
Micro switch
Detects open/close of the right paper transport section (right door). Detects
ON/OFF of the power line of the fusing unit, the motors, and LSU laser.
ON/OFF of the power line of the fusing unit, the motors, and LSU laser.
MSW
Main power switch
Seesaw switch
Turns ON/OFF the main power.
DSW_F
DSW_R
MSW
MX-4070N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 16
9. Clutches and solenoids
Signal name
Name
Type
Function and Operation
1TURC_1
Primary transfer separation clutch 1
Magnetic clutch
Controls separation of the primary transfer unit
1TURC_2
Primary transfer separation clutch 2
Magnetic clutch
Controls separation of the primary transfer unit
2TURC
Secondary transfer separation clutch
Magnetic clutch
Controls separation of the secondary transfer unit
ADUGS
ADU gate solenoid
Magnetic solenoid
Controls the paper exit gate
CPFC1
Tray vertical transport clutch
Magnetic clutch
Controls the transport roller of the paper feed tray 1 section
C1PUC
Paper feed clutch (Paper feed tray 1)
Magnetic clutch
Controls ON/OFF of the paper feed roller in the paper feed tray 1
section (Paper feed tray 1)
section (Paper feed tray 1)
HPFC
Horizontal transport clutch (Paper feed tray 1,
Manual paper feed tray)
Manual paper feed tray)
Magnetic clutch
Controls ON/OFF of the transport roller (Paper feed tray 1, Manual
paper feed tray)
paper feed tray)
MPUC
Manual paper feed clutch (Manual paper feed tray)
Magnetic clutch
Controls ON/OFF of the paper feed roller in the manual paper feed
section (Manual paper feed tray)
section (Manual paper feed tray)
MPFS
Paper feed solenoid (Manual paper feed tray)
Magnetic solenoid
Controls the paper feed roller (Manual paper feed tray)
POGS
Gate solenoid
Magnetic solenoid
Controls ON/OFF of the gate solenoid selecting upper tray and
lower tray
lower tray
1TURC_1
1TURC_2
2TURC
POGS
CPFC1
C1PUC
MPUC
HPFC
MPFS
ADUGS
MX-4070N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 17
3
10. Motors
Signal name
Name
Type
Function and Operation
ADUM1
ADU motor 1
DC brushless motor
Drives the transport roller in the right door and right paper exit section
ADUM2
ADU motor 2
DC brushless motor
Drives the transport roller in the right door section
C1LUM
Paper tray lift motor (Paper feed tray 1)
DC brush motor
Lifts the lift plate of the paper feed tray (Paper feed tray 1)
CPFM
Paper feed motor
DC brushless motor
Drives the paper feed section
DM_CL
Drum motor (CL)
DC brushless motor
Drives the OPC drum/developing section (CL)
DM_K
Drum motor (K)
DC brushless motor
Drives the OPC drum/developing section (K) and primary transfer section
FUM
Fusing motor
DC brushless motor
Drives the fusing section
MIM
Scan motor
Stepping motor
Drives the scanner unit (scan, return operations)
OSM
Offset motor
Stepping motor
Offsets (shifts) paper
PFM
Transport motor
DC brushless motor
Drives the transport roller 5
PGM
Polygon motor
DC brushless motor
Scans laser beams
POM
Paper exit motor
DC brushless motor
Drives the roller in the paper exit section
PRM
Fusing pressure control motor
Stepping motor
Controls ON/OFF of the fusing roller pressure
RRM
Registration motor
DC brushless motor
Drives the registration roller (Controls the timing of the transfer image for
the paper)
the paper)
SBM
Reverse motor
DC brushless motor
Drives the transport roller in duplex mode
TNM_C
Toner motor (C)
Stepping motor
Supplies toner from the toner cartridge (C) to the developing unit
TNM_K
Toner motor (K)
Stepping motor
Supplies toner from the toner cartridge (K) to the developing unit
TNM_M
Toner motor (M)
Stepping motor
Supplies toner from the toner cartridge (M) to the developing unit
TNM_Y
Toner motor (Y)
Stepping motor
Supplies toner from the toner cartridge (Y) to the developing unit
ADUM1
ADUM2
C1LUM
CPFM
FUM
MIM
SBM
PGM
PRM
TNM_C
TNM_K
TNM_M
TNM_Y
RRM
PFM
DM_CL
DM_K
OSM
POM
3
: ‘17/July
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