Sharp MX-5500N / MX-6200N / MX-7000N (serv.man44) Service Manual ▷ View online
MX-7000N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 7
C4LUD
Tray 4 upper limit detection (Lift
HP detection)
HP detection)
Photo interrupter
Tray 4 upper limit detection
C4PED
Tray 4 paper empty detection
Photo interrupter
Tray 4 paper empty detection
C4PFD
Tray 4 paper entry detection
Reflection type
Tray 4 paper pass detection
C4SPD
Tray 4 remaining quantity
detection
detection
Photo interrupter
Tray 4 paper remaining quantity
detection
detection
C4SS1
Tray 4 rear edge detection 1
Tact switch
Either of rear edge 1 - 4 of tray 4 is
detected to detect tray insertion.
The paper size of tray 4 is detected.
detected to detect tray insertion.
The paper size of tray 4 is detected.
PWB unit
C4SS2
Tray 4 rear edge detection 2
Tact switch
C4SS3
Tray 4 rear edge detection 3
Tact switch
C4SS4
Tray 4 rear edge detection 4
Tact switch
CCHP
Charger cleaner HP detection
Photo interrupter
Charger cleaner position detection (in
the process unit)
the process unit)
CCMD
CCM rotation detection
Photo interrupter
Detects rotation of the charger
cleaner motor.
cleaner motor.
DHPD_C
C phase detection
Photo interrupter
C phase detection
PWB unit
DHPD_K
K phase detection
Photo interrupter
K phase detection
PWB unit
DHPD_M
M phase detection
Photo interrupter
M phase detection
PWB unit
DHPD_Y
Y phase detection
Photo interrupter
Y phase detection
PWB unit
DSW_ADU
ADU transport open/close
detection
detection
Photo interrupter
Detects the duplex (ADU) cover open/
close.
close.
DSW_D
Right lower door open/close
sensor
sensor
Photo interrupter
Detects open/close of the right lower
door.
door.
HTCS_C
Hopper remaining quantity sensor
C
C
Vibration sensor
HTCS_K
Hopper remaining quantity sensor
K
K
Vibration sensor
HTCS_M
Hopper remaining quantity sensor
M
M
Vibration sensor
HTCS_Y
Hopper remaining quantity sensor
Y
Y
Vibration sensor
HUD_M/
TH_M
TH_M
Temperature/humidity sensor
Temperature/
humidity sensor
humidity sensor
Detects temperature and humidity.
LPPD
LCC paper entry sensor
Reflection type
Detects paper entry from LCC.
MHPS
Scanner home position sensor
Photo interrupter
Detects the scanner home position.
MPED
Manual paper feed paper empty
detection
detection
Photo interrupter
Detects the manual paper feed paper
empty.
empty.
MPFD
Manual paper feed paper entry
detection
detection
Photo interrupter
Manual paper feed tray paper entry
detection
detection
MPLD1
Manual feed paper length detector
Photo interrupter
Detects the manual paper feed tray
paper length.
paper length.
MPWS
Manual paper feed tray paper
width detector
width detector
Volume resistor
Detects the manual paper feed tray
paper width.
paper width.
PWB unit
MTOP1
Manual paper feed tray pull-out
position detector 1
position detector 1
Photo interrupter
Detects the manual paper feed tray
paper pull-out position (storing
position).
paper pull-out position (storing
position).
MTOP2
Manual paper feed tray pull-out
position detector 2
position detector 2
Photo interrupter
Detects the manual paper feed tray
paper pull-out position (pull-out
position).
paper pull-out position (pull-out
position).
OCSW
Original cover SW
Photo interrupter
Document size detection trigger.
PCS_CL/
PCS_K
PCS_K
Process control sensor PWB
Toner density
sensor
sensor
Toner patch density detection
PO_TMP
Paper exit temperature detection
Temperature
sensor
sensor
Detects temperature.
POD1
Fusing after-detection
Photo interrupter
Detects paper from the fusing section.
POD2
Paper exit detection
Photo interrupter
Detects the paper from paper exit.
POD3
Right tray paper exit detection
Photo interrupter
Detects the paper exit to right tray.
PPD1
Registration pre-detection (PPD1)
Photo interrupter
Detects paper in front of the resist
roller.
roller.
PPD2
Registration detection (PPD2)
Reflection type
Detects paper in front of the resist
roller.
roller.
PTCM_HP
Sensor inside of the PTC unit
Leaf switch
Detects PTC cleaner HP
REG R
Resist sensor PWB R
Reflection type
Detects toner patch (R side)
PWB unit
REG_F
Resist sensor PWB F
Reflection type
Detects toner patch (F side)
PWB unit
SCOV
DSPF upper door open/close
sensor
sensor
Transmission type
Detects open/close of the upper door.
L when the upper door is open.
SLCOV
DSPF lower door open/close
sensor
sensor
Micro switch
Detects open/close of the lower door.
L when the lower door is open.
SOCD
DSPF open/close sensor
Transmission type
Detects open/close of the DSPF unit.
L when the DSPF unit is open.
SPED1
DSPF document upper limit
sensor
sensor
Transmission type
Detects the upper limit of the DSPF
document.
document.
L when paper is detected.
SPED2
DSPF document empty sensor
Transmission type
Detects document empty in the paper
feed tray.
feed tray.
L when paper is detected.
Signal
name
Name
Type
Function/Operation
Active condition
Note
MX-7000N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 8
SPLS1
DSPF document length detection
short sensor
short sensor
Transmission type
Detects the document length of the
paper feed tray upper.
paper feed tray upper.
H when paper is detected.
SPLS2
DSPF document length detection
long sensor
long sensor
Transmission type
Detects the document length of the
paper feed tray upper.
paper feed tray upper.
H when paper is detected.
SPOD
DSPF paper exit sensor
Transmission type
Detects paper exit of the document.
L when paper is detected.
SPPD1
DSPF paper pass sensor 1
Transmission type
Detects pass of the paper.
L when paper is detected.
SPPD2
DSPF paper pass sensor 2
Transmission type
Detects pass of the paper.
L when paper is detected.
SPPD3
DSPF paper pass sensor 3
Transmission type
Detects pass of the paper.
L when paper is detected.
SPPD4
DSPF paper pass sensor 4
Transmission type
Detects pass of the paper.
L when paper is detected.
SPPD5
DSPF paper pass sensor 5
Transmission type
Detects pass of the paper.
L when paper is detected.
SPRDMD
DSPF document random sensor
Transmission type
Detects the paper size in random
paper feed.
paper feed.
L when paper is detected.
SPWS
DSPF document width sensor
Volume resistor
Detects the document width of the
paper feed tray upper.
paper feed tray upper.
STLD
DSPF paper feed tray lower limit
sensor
sensor
Transmission type
Detects the lower limit of the paper
feed tray.
feed tray.
H when the lower limit of the
paper feed tray is detected.
paper feed tray is detected.
STUD
DSPF paper feed tray upper limit
sensor
sensor
Transmission type
Detects the upper limit of the paper
feed tray.
feed tray.
L when the upper limit of the
paper feed tray is detected.
paper feed tray is detected.
T1LUD/
T1PED
T1PED
Tandem tray 1 sensor
Photo interrupter
Tandem tray 1 lift-up and paper
presence detection
presence detection
T1PPD1
Tandem tray 1 transport sensor 1
Reflection type
Tandem tray 1 paper entry detection
Immediately
after T1
paper feed
after T1
paper feed
T1PPD2
Tandem tray 1 transport sensor 1
Reflection type
Detects Tandem tray 1 paper pass at
the transport roller.
the transport roller.
Immediately
before T2
interflow
before T2
interflow
T1SPD
Tandem tray 1 paper remaining
quantity detector
quantity detector
Photo interrupter
Tandem tray 1 paper remaining
quantity detection
quantity detection
T2LUD/
T2PED
T2PED
Tandem tray 2 sensor
Photo interrupter
Tandem tray 2 lift-up and paper
presence detection
presence detection
T2PPD
Tandem tray 2 transport detection
Reflection type
Detects paper pass from tandem tray
2.
2.
T2SPD
Tandem tray 2 paper remaining
quantity detector
quantity detector
Photo interrupter
Tandem tray 2 paper remaining
quantity detection
quantity detection
TANSET
Tandem tray installation detection
Photo interrupter
Tandem tray insertion/removal
detection
detection
TBBOX
Waste toner box sensor
Photo interrupter
Waste toner box installation detection
TBLTB
Transfer belt separation sensor BK
Photo interrupter
Transfer belt separation BK detection
TBLTC
Transfer belt separation sensor CL
Photo interrupter
Transfer belt separation CL detection
TCS_C
Toner density detection C (ATC)
Permeable sensor
Detects the toner density (C).
TCS_K
Toner density detection K (ATC)
Permeable sensor
Detects the toner density (K).
TCS_M
Toner density detection M (ATC)
Permeable sensor
Detects the toner density (M).
TCS_Y
Toner density detection Y (ATC)
Permeable sensor
Detects the toner density (Y).
TFD
Main unit paper exit full detection
Photo interrupter
Detects face-down paper exit tray full.
TFD_R
Right tray paper exit full detection
Photo interrupter
Detects right tray paper exit full.
TH1
LSU thermistor 1
Temperature
sensor
sensor
Detects the LSU temperature.
TH2
LSU thermistor 2
Temperature
sensor
sensor
Detects the LSU temperature.
THPS
Secondary transfer separation
drive sensor
drive sensor
Photo interrupter
Secondary transfer separation
detection
detection
TNFD
Waste toner full detection
Photo interrupter
Waste toner full detection
VTOD
Right transfer unit open/close
sensor
sensor
Photo interrupter
Detects open/close of the right
transfer unit.
transfer unit.
WEB_END
Web end detection sensor
Mechanical switch
Detects the web end.
WEB_INL
Web presence detection
Mechanical switch
Detects presence of web.
Signal
name
Name
Type
Function/Operation
Active condition
Note
MX-7000N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 9
H. Switches
Signal name
Name
Type
Function/Operation
DSW-FD
Front door upper open/close switch
Micro switch
Detects front door upper open/close.
DSW-FL
Front door lower open/close switch
Micro switch
Detects front door lower open/close.
DSW-R
Right door open/close switch
Micro switch
Detects right door open/close.
MSW
Main SW
Seesaw switch
Turns ON/OFF the main DC power source.
PWRSW
Operation panel power switch
Push switch
Outputs the ON/OFF control signal of the DC power source.
PWRSW
DSW-R
DSW-FD
MSW
DSW-FL
MX-7000N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 10
I. Clutches and solenoids
Signal
name
Name
Type
Function/Operation
ADUGS
ADU gate solenoid
Electromagnetic solenoid
Controls the ADU gate.
BLTCL
Belt separation clutch (normal)
Electromagnetic clutch
Controls separation of the primary transfer belt.
BLTCL_R
Belt separation clutch (reverse)
Electromagnetic clutch
Controls separation of the primary transfer belt.
C3PFC
Tray 3 paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller in the tray 3 paper feed section.
C3PUS
Paper pickup solenoid (Tray 3)
Electromagnetic solenoid
Paper pickup solenoid (Tray 3)
C4PFC
Tray 4 paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller in the tray 4 paper feed section.
C4PUS
Paper pickup solenoid (Tray 4)
Electromagnetic solenoid
Paper pickup solenoid (Tray 4)
LPFC
LCC transport clutch
Electromagnetic clutch
Controls ON/OFF of the transport roller in the LCC transport section.
LSS_BK
LSU shutter solenoid BK
Electromagnetic solenoid
Opens/closes the LSU (BK) shutter.
LSS_CL
LSU shutter solenoid CL
Electromagnetic solenoid
Opens/closes the LSU (CL) shutter.
MPFS
Paper pickup solenoid (Manual paper feed)
Electromagnetic solenoid
Paper pickup solenoid (Manual paper feed)
MPGS
Manual paper feed gate solenoid
Electromagnetic solenoid
Controls open/close of the manual paper feed gate.
MPUC
Manual paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller in the manual paper feed
section.
section.
PCSS
Process control shutter solenoid
Electromagnetic solenoid
Controls open/close of the shutter of the process control register sensor.
RRC
PS clutch
Electromagnetic clutch
Controls ON/OFF of resist roller.
RRC2
PS clutch 2
Electromagnetic clutch
Performs braking of resist roller.
SPFC
DSPF paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the rollers in the paper feed section.
SRRBC
DSPF No. 2 resist roller brake clutch
Electromagnetic clutch
Performs braking of No. 2 resist roller.
SRRC
DSPF No. 2 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 2 resist roller.
STRC
DSPF transport roller clutch
Electromagnetic clutch
Controls ON/OFF of the transport roller 1.
STRRBC
DSPF No. 1 resist roller brake clutch
Electromagnetic clutch
Performs braking of No. 1 resist roller.
STRRC
DSPF No. 1 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 1 resist roller.
T1PFC
Tandem tray 1 paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller in the tandem tray 1 paper feed
section.
section.
T1PUS
Paper pickup solenoid (Tandem tray 1)
Electromagnetic solenoid
Paper pickup solenoid (Tandem tray 1)
T2PFC
Tandem tray 2 paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller in the tandem tray 2 paper feed
section.
section.
T2PUS
Paper pickup solenoid (Tandem tray 2)
Electromagnetic solenoid
Paper pickup solenoid (Tandem tray 2)
TANCL
Tandem tray transport clutch
Electromagnetic clutch
Controls ON/OFF of the paper transfer roller in the tandem tray section.
TRC1
Vertical transport clutch upper
Electromagnetic clutch
Controls ON/OFF of the vertical transfer roller.
TRC2
Vertical transport clutch lower
Electromagnetic clutch
Controls ON/OFF of the vertical transfer roller.
ADUGS
LSS_CL
BLTCL
PCSS
RRC2
RRC
BLTCL_R
LSS_BK
T1PUS
T2PUS
TRC1
C4PFC
C3PFC
C3PUS
TRC2
C4PUS
T2PFC
T1PFC
MPGS
MPFS
LPFC
MPUC
TANCL
SRRC
SPFC
STRRC
SRRBC
STRRBC
STRC
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