MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 8
CSS11 Paper feed tray size detector
(Paper feed tray 1)
Tact switch Detects the paper size.
Detects closing of the paper feed tray. (Paper feed tray 1)
DHPD_CL OPC drum rotation sensor (CL) Transmission type Detects rotation and the phase of the OPC drum (CL).
DHPD_K OPC drum rotation sensor (BK) Transmission type Detects rotation and the phase of the OPC drum (BK).
DSW_ADU ADU paper guide open/close
detector
Transmission type Detects open/close of the ADU paper guide.
DSW_C1 Transport cover open/close
detector (Paper feed tray 1)
Transmission type Detects open/close of the transport section cover. (Paper
feed tray 1)
HLPCD Fusing pressure detector Transmission type Detects the fusing pressure state.
HPOS (SHPOS) Shifter home positions sensor Transmission type Detects the shifter home position.
HUD_M/TH_M Temperature/humidity sensor Thermistor Detects the temperature and the humidity. (For the
process control)
Analog detection
MHPS Scanner home position sensor Transmission type Detects the scanner home position.
MPED Paper empty sensor
(Manual paper feed tray)
Transmission type Detects presence of paper. (Manual paper feed tray)
MPLD Paper length detector
(Manual paper feed tray)
Transmission type Detects the paper length. (Manual paper feed tray)
MPWS Paper width detector
(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 detector 1 Transmission type Detects paper transport from the fusing section.
POD2 Paper exit detector 2 Transmission type Detects paper transport to the face-down paper exit tray.
POD3 Paper exit detector 3 Transmission type Detects paper transport to the right paper exit tray.
PPD1 Paper transport detector 1 Transmission type Detects paper pass in front of the transport roller 5.
PPD2 Paper transport detector 2 Reflection type Detects paper pass in the transport roller 5 in front of the
registration roller.
PRTPD Paper exit tray paper detector
(Right paper exit tray)
Transmission type Detects paper empty in the paper exit tray (Right paper
exit tray).
REGS_F/IMGDS Registration sensor F
(Image density sensor)
Reflection type Detects color shift. (F side) / Detects the toner patch
density.
REGS_R Registration sensor R
(Image density sensor)
Reflection type Detects the toner patch density.
SCOV RSPF cover open/close detector Micro switch Detects open/close of the RSPF cover.
SOCD RSPF open/close sensor Transmission type Detects open/close of the RSPF unit.
SPED Document sensor Transmission type Detects document empty in the RSPF paper feed tray.
SPLS1 Paper size detector 1 Transmission type Detects the document length in the RSPF paper feed tray.
SPLS2 Paper size detector 2 Transmission type Detects the document length in the RSPF paper feed tray.
SPPD1 Document transport sensor 1 Transmission type Detects paper feed and the document size in random
paper feed.
SPPD2 Document transport sensor 2 Transmission type Detects paper pass.
SPPD3 Document transport sensor 3 Transmission type Detects paper pass.
SPPD4 Document transport sensor 4 Transmission type Detects paper exit and switchback.
SPWS Document size detector Volume-type resistor Detects the document width.
TCS_C Toner sensor (C) Magnetic sensor Detects toner supply from the toner cartridge.
Detects the toner density (C).
Analog detection
TCS_K Toner sensor (K) Magnetic sensor Detects toner supply from the toner cartridge.
Detects the toner density (K).
Analog detection
TCS_M Toner sensor (M) Magnetic sensor Detects toner supply from the toner cartridge.
Detects the toner density (M).
Analog detection
TCS_Y Toner sensor (Y) Magnetic sensor Detects toner supply from the toner cartridge.
Detects the toner density (Y).
Analog detection
TFD2 Paper exit tray full detector
(Center paper exit tray)
Transmission type Detects paper full in the center paper exit tray.
TFD3 Paper exit tray full detector
(Right paper exit tray)
T
ransmission type Detects paper full in the right paper exit tray.
TH_LM_IN Fusing temperature sensor Thermistor Detects the surface temperature of the fusing roller (B). Analog detection
TH_UM_IN Fusing temperature sensor
(Main)
Non-contact thermistor Detects the surface temperature at the center of the fusing
belt (roller).
Analog detection
TH_US_IN Fusing temperature sensor (Sub) Thermistor Detects the suffered temperature at the edge section of
the fusing belt (roller).
Analog detection
TH1_LSU LSU temperature sensor Thermistor Detects the temperature in the LSU. (For correction of the
LSU distortion)
Analog detection
TNFD Waste toner full detector Mechanical switch Detects full of waste toner.
WEBEND Web end detector Transmission type Detects web end of the fusing unit.
Signal name Name Type Function/Operation Note
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