Sharp MX-2614N / MX-3114N (serv.man7) Service Manual ▷ View online
MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 7
B. 26cpm/31cpm machine
Signal name
Name
Type
Function/Operation
Note
1TUD_CL
Transfer mode detector (CL)
Transmission type
Detects separation of the transfer belt and the transfer
mode.
(Detection is made by combination of 1TUD_CL/1TUD_K
signals.)
mode.
(Detection is made by combination of 1TUD_CL/1TUD_K
signals.)
1TUD_K
Transfer mode detector (BK)
Transmission type
Detects separation of the transfer belt and the transfer
mode.
(Detection is made by combination of 1TUD_CL/1TUD_K
signals.)
mode.
(Detection is made by combination of 1TUD_CL/1TUD_K
signals.)
2TUD
Secondary transfer position
detector
detector
Transmission type
Detects the position (separation) of the secondary transfer
unit.
unit.
APPD1
ADU paper transport detector 1
Transmission type
Detects paper entry and paper pass in the ADU.
APPD2
ADU paper transport detector 2
Transmission type
Detects paper pass in the ADU transport roller 8.
BD
Laser beam detector
Pin diode
Detects laser beams (monitor.)
CLUD1
Paper feed tray upper limit
sensor (Paper feed tray 1)
sensor (Paper feed tray 1)
Transmission type
Detects the upper limit of the paper lift up.
(Paper feed tray 1)
(Paper feed tray 1)
CPED1
Paper empty sensor
(Paper feed tray 1)
(Paper feed tray 1)
Transmission type
Detects paper empty. (Paper feed tray 1)
CPFD1
Paper transport detector
(Paper feed tray 1)
(Paper feed tray 1)
Transmission type
Detects paper pass in the paper transport section of the
paper feed tray 1.
paper feed tray 1.
CSPD1
Paper remaining quantity sensor
(Paper feed tray 1)
(Paper feed tray 1)
Transmission type
Detects the paper remaining quantity. (Paper feed tray 1)
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MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 8
CSS11
Paper feed tray size detector
(Paper feed tray 1)
(Paper feed tray 1)
Tact switch
Detects the paper size.
Detects closing of the paper feed tray. (Paper feed tray 1)
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
detector
Transmission type
Detects open/close of the ADU paper guide.
DSW_C1
Transport cover open/close
detector (Paper feed tray 1)
detector (Paper feed tray 1)
Transmission type
Detects open/close of the transport section cover. (Paper
feed tray 1)
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)
process control)
Analog detection
MHPS
Scanner home position sensor
Transmission type
Detects the scanner home position.
MPED
Paper empty sensor
(Manual paper feed tray)
(Manual paper feed tray)
Transmission type
Detects presence of paper. (Manual paper feed tray)
MPLD
Paper length detector
(Manual paper feed tray)
(Manual paper feed tray)
Transmission type
Detects the paper length. (Manual paper feed tray)
MPWS
Paper width detector
(Manual paper feed tray)
(Manual paper feed tray)
Volume-type resistor
Detects the paper width. (Manual paper feed tray)
OCSW
Paper size detection trigger
sensor
sensor
Transmission type
Detects generation of the paper size detection trigger
signal.
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.
registration roller.
PRTPD
Paper exit tray paper detector
(Right paper exit tray)
(Right paper exit tray)
Transmission type
Detects paper empty in the paper exit tray (Right paper
exit tray).
exit tray).
REGS_F/IMGDS
Registration sensor F
(Image density sensor)
(Image density sensor)
Reflection type
Detects color shift. (F side) / Detects the toner patch
density.
density.
REGS_R
Registration sensor R
(Image density sensor)
(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.
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).
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).
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).
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).
Detects the toner density (Y).
Analog detection
TFD2
Paper exit tray full detector
(Center paper exit tray)
(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)
(Right paper exit tray)
Transmission 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)
(Main)
Non-contact thermistor
Detects the surface temperature at the center of the fusing
belt (roller).
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).
the fusing belt (roller).
Analog detection
TH1_LSU
LSU temperature sensor
Thermistor
Detects the temperature in the LSU. (For correction of the
LSU distortion)
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
MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 9
6. Switches
Signal name
Name
Type
Function/Operation
DHSW
Dehumidifier heater switch
Seesaw switch
Turns ON/OFF the power line of the dehumidifier heater.
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 motors, and the LSU laser.
DSW_R
Right transport unit (right door)
open/close switch
open/close 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 the LSU laser.
power line of the fusing unit, the motors, and the LSU laser.
MSW
Main power switch
Seesaw switch
Turns ON/OFF the main power.
PWRSW
Operation panel power switch
Push switch
Turns ON/OFF the power on the secondary side.
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MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 10
7. Clutches and solenoids
A. 23cpm machine
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