Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man7) Service Manual ▷ View online
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 7
G.RSPF
(1)Roller, Gate
(2)Detector
No.
Name
Function/Operation
1
Pickup roller
Picks up a document and feeds it to the paper feed roller.
2
Paper feed roller
Performs the paper feed operation of documents.
3
Separation roller
Separate a document to prevent against double-feed.
4
Registration roller (Drive)
Performs resist of document transport.
5
Registration roller (Idle)
Applied a pressure to document and the registration roller, and provides transport power of the registration roller to
document.
document.
6
Transport roller 1 (Drive)
Transports document from registration roller to transport roller 2.
7
Transport roller 1 (Idle)
Applied a pressure to document and the transport roller, and provides the transport power of the transport roller to document.
8
Transport roller 2 (Drive)
Transports document to the transport 3 roller.
9
Transport roller 2 (Idle)
Applied a pressure to document and the transport roller, and provides the transport power of the transport roller to document.
10
Transport roller 3 (Drive)
Transports document from the transport roller 2 to the paper exit roller. / Transports document to the registration roller when
reversing the document.
reversing the document.
11
Transport roller 3 (Idle)
Applied a pressure to document and the transport roller, and provides the transport power of the transport roller to document.
12
Paper exit roller (Drive)
Discharges document.
13
Paper exit roller (Idle)
Applies a pressure to document and the paper exit roller and provides transport power of the paper exit roller to document.
14
Transport auxiliary roller
Helps to transport document smoothly.
15
Reverse gate
Reverses a document to scan the back surface of the document.
Signal name
Name
Type
Function/Operation
SCOV
RSPF upper cover open/close detector
Micro switch
Detects open/close of the RSPF upper cover.
SOCD
RSPF open/close detector
Transmission type
Detects open/close of the RSPF unit.
SPED
RSPF document detector
Transmission type
Detects document empty in the RSPF paper feed tray.
SPLS1
RSPF document length detector (short)
Transmission type
Detects the document length in the RSPF paper feed tray.
SPLS2
RSPF document length detector (long)
Transmission type
Detects the document length in the RSPF paper feed tray.
SPPD1
RSPF document pass detector 1
Transmission type
Detects pass of the document.
SPPD2
RSPF document pass detector 2
Transmission type
Detects pass of the document.
SPPD3
RSPF document pass detector 3
Transmission type
Detects pass of the document.
SPPD4
RSPF document pass detector 4
Transmission type
Detects pass of the document.
SPWS
RSPF document width detector
Volume resistor
Detects the document width in the RSPF paper feed tray.
2 3
14
5 4
1
11
10
15
9
7
8
6
12 13
SPED
SPWS
SPLS1
SPLS2
SPPD1
SCOV
SPPD2
SPPD3
SPPD4
SOCD
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 8
(3)Motors, clutches, PWB, lamps
Signal name
Name
Type
Function/Operation
SPFM
Transport motor
Stepping motor
Drives the transport roller.
SPM
Paper feed motor
Stepping motor
Drives the roller in the paper feed section.
SPRS
Pressure release solenoid
Electromagnetic solenoid
Releases the pressure of the transport roller 3 when reversing a document and
transporting it to the registration roller.
transporting it to the registration roller.
SRRC
PS clutch
Electromagnetic clutch
Controls ON/OFF of registration roller.
SRVC
Reverse clutch
Electromagnetic clutch
Controls ON/OFF of the transport power of the transport roller 3 and the paper exit
roller when discharging a document and reversing it to transport to the registration
roller.
roller when discharging a document and reversing it to transport to the registration
roller.
STMPS
Stamp solenoid
Electromagnetic solenoid
Drives the stamp.
No.
Name
Function/Operation
1
RSPF driver PWB
Drives the motor and the clutch in the RSPF section.
1
SPFM
STMPS
SPM
SRRC
SRVC
SPRS
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 9
H.Sensor, Detector
Signal name
Name
Function/Operation
Type
NOTE
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.
APPD1
ADU transport path detection 1
Detects the duplex (ADU) upstream paper pass.
Transmission type
APPD2
ADU transport path detection 2
Detects the duplex (ADU) midstream paper
pass.
pass.
Transmission type
CLUD1
Tray 1 upper limit detection (Lift HP detection)
Detects the tray 1 upper limit.
Transmission type
CLUD2
Tray 2 upper limit detection (Lift HP detection)
Detects the tray 2 upper limit.
Transmission type
CPED1
Tray 1 paper empty detection
Detects the tray 1 paper empty.
Transmission type
CPED2
Tray 2 paper empty detection
Detects the tray 2 paper empty.
Transmission type
CPFD1
Tray 1 transport detection (Paper entry detection)
Detects tray 1 paper pass.
Reflection type
CPFD2
Tray 2 transport detection (Paper entry detection)
Detects tray 2 paper pass.
Reflection type
CSPD1
Tray 1 paper remaining quantity detection
Detects the tray 1 paper remaining quantity.
CSPD2
Tray 2 paper remaining quantity detection
Detects the tray 2 paper remaining quantity.
CSS1
Tray 1 installation detection
Detects the tray 1.
CSS2
Tray 2 installation detection
Detects the tray 2.
CSS11
Tray 1 rear edge detection 1
Insertion of the tray is detected by detecting
either of tray 1 rear edge detection 1 ? 4.
The paper size of tray 1 is detected.
either of tray 1 rear edge detection 1 ? 4.
The paper size of tray 1 is detected.
Duct switch
CSS12
Tray 1 rear edge detection 2
Duct switch
CSS13
Tray 1 rear edge detection 3
Duct switch
CSS14
Tray 1 rear edge detection 4
Duct switch
CSS21
Tray 2 rear edge detection 1
Insertion of the tray is detected by detecting
either of tray 2 rear edge detection 1 ? 4.
The paper size of tray 2 is detected.
either of tray 2 rear edge detection 1 ? 4.
The paper size of tray 2 is detected.
Duct switch
CSS22
Tray 2 rear edge detection 2
Duct switch
CSS23
Tray 2 rear edge detection 3
Duct switch
CSS24
Tray 2 rear edge detection 4
Duct switch
DHPD_CL
CL phase detection
Detects the CL phase.
41cpm machine
DHPD_C
C phase detection
Detects the C phase.
51cpm machine
DHPD_M
M phase detection
Detects the M phase.
51cpm machine
DHPD_Y
Y phase detection
Detects the Y phase.
51cpm machine
OCSW
CSPD2
CSPD1
CLUD2
HPOS
POD2
HLPCD
CPED2
CLUD1
TFD2
MHPS
CPED1
MPLD
TH_M/HUD_M
DHPD_M
DHPD_Y
DHPD_C
DHPD_CL
TCS_M
TCS_C
TCS_K
DHPD_K
CPFD1
PPD1
PPD2
POD1
MTOP2
MTOP1
MPWD
MPED
APPD2
MPFD
POD3
PRTPD
TCS_Y
CPFD2
DSW_C
TFD3
DSW_ADU
APPD1
1TUD_K
1TUD_K
1TUD_CL
1TUD_CL
REGS_R
REGS_R
REGS_F
REGS_F
CSS2
CSS1
CSS12
CSS13
CSS14
CSS11
CSS22
CSS23
CSS24
CSS21
WEBEND
TH_LM_IN
TH_UM_IN
TH_US_IN
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 10
DHPD_K
BK phase detection
Detects the BK phase.
DSW_ADU
ADU transport open/close detection
Detects the duplex (ADU) cover open/close.
Transmission type
DSW_C
Tray 1 and 2 transport cover open/close detection
Detects the tray 1 and 2 transport cover
open/close.
open/close.
Transmission type
HLPCD
Fusing pressure release sensor
Detects pressure release of the fusing roller.
Transmission type
HPOS
Shifter home position detection
Detects the shifter home position.
MHPS
Scanner home position sensor
Detects the scanner home position.
Transmission type
MPED
Manual feed paper empty detection
Detects the manual feed paper empty.
Transmission type
MPFD
Manual feed paper entry detection
Detects the manual feed paper entry.
Transmission type
MPLD
Manual feed paper length detector
Detects the manual paper feed tray paper
length.
length.
Manual paper
feed unit
feed unit
MPWD
Manual paper feed tray paper width detector
Detects the manual paper feed tray paper width.
Volume resistor
MTOP1
Manual paper feed tray pull-out position detector 1
Detects the manual paper feed tray paper
pull-out position (storing position).
pull-out position (storing position).
Transmission type
Manual paper
feed unit
feed unit
MTOP2
Manual paper feed tray pull-out position detector 2
Detects the manual paper feed tray paper
pull-out position (pull-out position).
pull-out position (pull-out position).
Transmission type
Manual paper
feed unit
feed unit
OCSW
Original cover SW
Detects the trigger for document size.
Transmission type
POD1
Fusing rear detection
Detects the paper exit from fusing.
Transmission type
POD2
Paper exit detection
Detects the paper from paper exit.
Transmission type
POD3
Right tray paper exit detection
Detects the paper exit to right tray.
PPD1
Registration pre-pre-detection
Detects the paper in front of transport roller 8.
Transmission type
PPD2
Registration pre-detection
Detects the paper in front of registration roller.
PRTPD
Paper exit tray paper detector
(Right paper exit tray)
(Right paper exit tray)
Detects paper empty in the paper exit tray
(Right paper exit tray).
(Right paper exit tray).
Transmission type
REGS_F
Pro-reg sensor F
Detects the registration shift of the machine
front (F) side and detects color toner patch.
front (F) side and detects color toner patch.
Reflection type
REGS_R
Pro-reg sensor R
Detects the registration shift of the machine
rear (R) side and detects black toner patch.
rear (R) side and detects black toner patch.
Reflection type
TCS_C
Toner density sensor
Detects the toner density (C).
Magnetic sensor
TCS_K
Toner density sensor
Detects the toner density (K).
Magnetic sensor
TCS_M
Toner density sensor
Detects the toner density (M).
Magnetic sensor
TCS_Y
Toner density sensor
Detects the toner density (Y).
Magnetic sensor
TFD2
Paper exit full detection
Detects the face down paper exit tray full.
Transmission type
TFD3
Right tray paper exit full detection
Detects the right tray paper exit full.
TH_LM_IN
Fusing temperature sensor
Detects the surface temperature of the fusing
roller (B).
roller (B).
Thermistor
Analog detection
TH_M/HUD_M
Temperature/humidity detection
Detects temperature and humidity.
TH_UM_IN
Fusing temperature sensor (Main)
Detects the surface temperature at the center of
the fusing belt.
the fusing belt.
Non-contact
thermistor
thermistor
Analog detection
TH_US_IN
Fusing temperature sensor (Sub)
Detects the suffered temperature at the edge
section of the fusing belt.
section of the fusing belt.
Thermistor
Analog detection
WEBEND
Web end detection
Detects web end of the fusing unit.
Transmission type
Signal name
Name
Function/Operation
Type
NOTE
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