Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man12) Service Manual online
MX-4101N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 5
(3) Motors, clutches, solenoids, PWB and lamps
Signal name
Name
Type
Function/Operation
SPUM
DSPF paper feed motor
Hybrid step motor
Drives the rollers, transport rollers and transport rollers in the paper feed
section.
section.
SPFM
DSPF transport motor
Hybrid step motor
Drives the transport roller.
SPOM
DSPF paper exit motor
PM step motor
Drives the paper exit roller.
SLUM
DSPF lift-up motor
PM step motor
Lifts up or moves down the paper feed tray.
SPFC
DSPF paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the rollers in the paper feed section.
STRRC
DSPF No.1 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 1 resist roller.
STRC
DSPF transport roller clutch
Electromagnetic clutch
Controls ON/OFF of the transport roller 1.
SRRC
DSPF No.2 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 2 resist roller.
SPFFAN
DSPF cooling fan motor
DC brush-less motor
Cools the motors and the clutches.
DSPF COPY LUMP
DSPF copy lamp
Xenon lamp
Radiates light onto a document to allow the CCD to scan document
images.
images.
No.
Name
Function/Operation
1
DSPF control PWB
Control PWB for DSPF
2
DSPF flash PWB
Program ROM PWB for DSPF
3
DSPF driver PWB
Driver PWB for DSPF
4
DSPF CCD PWB
Scans document images.
5
DSPF CL inverter PWB
Drives the copy lamp.
SPOM
SPUM
SPUM
SPOM
SLUM
SLUM
SPFC
SPFC
STRRC
STRRC
STRC
STRC
SRRC
SRRC
DSPF COPY LUMP
DSPF COPY LUMP
SPFFAN
SPFFAN
SPFM
SPFM
1
3
5
4
2
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