Sharp MX-4100N Service Manual page 27

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