MX3500N ELECTRICAL SECTION 11 – 30
3. Signal list
Signal
name
Name Function/Operation
Connector level Connector
No.
Pin
No.
PWB
name
Note
“L” “H”
1TNFD Waste toner full detection switch
[Mechanical switch]
Detects the waste toner full.
1TUD_CL Transfer belt separation CL
detection
Detects the transfer belt separation
CL.
1TUD_K Transfer belt separation BK
detection
Detects the transfer belt separation
BK.
1TURC Primary transfer separation clutch
[Electromagnetic clutch]
Controls the primary transfer
separation mode.
ADUM_L ADU motor lower [Stepping motor] Drives the right door section.
APPD1 ADU transport path detection 1
[Transmission type]
Detects the duplex (ADU) upstream
paper pass.
APPD2 ADU transport path detection 2
[Transmission type]
Detects the duplex (ADU) midstream
paper pass.
CCFT LCD backlight
[CCFT cool cathode ray tube]
Backlight for the CCD
CLI Scanner lamp [Xenon lamp] Radiates lights onto a document for
the CCD to scan document images.
CLUD1 Tray 1 upper limit detection (Lift
HP detection) [Transmission type]
Detects tray 1 upper limit .
CLUD2 Tray 2 upper limit detection (Lift
HP detection) [Transmission type]
Detects tray 2 upper limit.
CLUM1 Paper tray lift-up motor (Paper
feed tray 1) [DC brush-less motor]
Drives the lift plate of the paper feed
tray.
CLUM2 Paper tray lift-up motor (Paper
feed tray 2) [DC brush-less motor]
Drives the lift plate of the paper feed
tray.
CPED1 Tray 1 paper empty detection
[Transmission type]
Detects tray 1 paper empty.
CPED2 Tray 2 paper empty detection
[Transmission type]
Detects tray 2 paper empty.
CPFC Tray vertical transport clutch
[Electromagnetic clutch]
Controls ON/OFF of the paper
transport roller in the paper feed tray
section.
CPFD1 Tray 1 transport detection (Paper
entry detection)
[Transmission type]
Detects tray 1 paper pass.
CPFD2 Tray 2 transport detection (Paper
entry detection)
[Transmission type]
Detects tray 2 paper pass.
CPFM Paper feed motor [Brush-less
motor]
Drives the paper feed section.
CPUC1 Paper feed clutch (Paper feed tray
1) [Electromagnetic clutch]
Controls ON/OFF of the roller in the
paper feed tray 1 section.
CPUC2 Paper feed clutch (Paper feed tray
2) [Electromagnetic clutch]
Controls ON/OFF of the roller in the
paper feed tray 2 section.
CPUFM Controller cooling fan motor Cools the controller PWB.
CSPD1 Tray 1 paper remaining quantity
detection
Detects tray 1 paper remaining
quantity.
CSPD2 Tray 2 paper remaining quantity
detection
Detects tray 2 paper remaining
quantity.
CSS1 Tray 1 installation detection Detects the tray 1.
CSS2 Tray 2 installation detection Detects the tray 2.
DHPD_CL CL phase detection Detects the CL phase.
DHPD_K BK phase detection Detects the BK phase.
DHSW
(Japan
only)
Dehumidifier heater switch
[Seesaw switch]
Turns ON/OFF the power lone of the
dehumidifier heaters provided in the
scanner (reading) section and the
paper feed section.
DL_C Discharge lamp C [LED] Discharges electric charges on the
OPC drum.
DL_K Discharge lamp K [LED] Discharges electric charges on the
OPC drum.
DL_M Discharge lamp M [LED] Discharges electric charges on the
OPC drum.
DL_Y Discharge lamp Y [LED] Discharges electric charges on the
OPC drum.
DL_K Discharge lamp K [LED] Discharges electric charges on the
OPC drum.
DM_CL Drum motor (CL) [Stepping motor] Drives the color OPC drum unit.
DM_K Drum motor (K) [Stepping motor] Drives the black OPC drum unit.
DSW_ADU ADU transport open/close
detection [Transmission type]
Detects the duplex (ADU) cover open/
close.
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