Read Sharp MX-5500N / MX-6200N / MX-7000N (serv.man55) Service Manual online
MX-7000N DSPF SECTION C – 2
Signal
Name
Function/Operation
SCOV
DSPF upper door open/close sensor
Detects open/close of upper door
SLUM
DSPF lift-up motor
Lifts up/down the paper feed tray
SPED1
DSPF document upper limit sensor
Detects the upper limit of the document
SPED2
DSPF document empty sensor
Detects the existing of document on the paper feed tray
SPFC
DSPF paper feed clutch
Controls the ON/OFF of the roller on the paper feed section
SPLS1
DSPF document length detection short
sensor
sensor
Detects length of the document on the paper feed tray
SPLS2
DSPF document length detection long
sensor
sensor
Detects length of the document on the paper feed tray
SPPD1
DSPF paper pass sensor 2
Detects pass of the paper
SPRDMD
DSPF document random sensor
Detects paper size at the random paper feed
SPUM
DSPF paper feed motor
Drives the roller and transport roller on the paper feed section
SPWS
DSPF document width sensor
Detects width of document on the paper feed tray
STLD
DSPF paper feed tray lower limit sensor
Detects the lower limit of the paper feed tray
STUD
DSPF paper feed tray upper limit sensor
Detects the upper limit of the paper feed tray
No.
Name
Function/Operation
1
Pickup roller
Picks up the document, and transports to the paper feed roller.
2
Paper feed roller
Executes the document feed operation
3
Separation roller
Separates a document to prevent double-feed
4
Torque limiter
A certain level of resistance force is supplied to the rotation of the separation roller to prevent
double feed
double feed
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