MX-5001N 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.
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 LAMP DSPF copy lamp Xenon lamp Radiates light onto a document to allow the CCD to scan document
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.
SPUM
SPOM
SLUM
SPFC
STRRC
STRC
SRRC
DSPF COPY LAMP
SPFFAN
SPFM
1
3
5
4
2
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