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MX3501N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 3
C. Motors, clutches, solenoids, PWB and lamps
No.
Signal name
Name
Type
Function/Operation
1
SPUM
DSPF paper feed motor
Hybrid step motor
Drives the rollers, transport rollers and transport rollers in the
paper feed section.
paper feed section.
2
SPFM
DSPF transport motor
Hybrid step motor
Drives the transport roller.
3
SPOM
DSPF paper exit motor
PM step motor
Drives the paper exit roller.
4
SLUM
DSPF lift-up motor
PM step motor
Lifts up or moves down the paper feed tray.
5
SPFC
DSPF paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the rollers in the paper feed section.
6
STRRC
DSPF No.1 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 1 resist roller.
7
STRRBC
DSPF No.1 resist roller brake clutch
Electromagnetic clutch
Performs braking of No. 1 resist roller.
8
STRC
DSPF transport roller clutch
Electromagnetic clutch
Controls ON/OFF of the transport roller 1.
9
SRRC
DSPF No.2 resist roller clutch
Electromagnetic clutch
Controls ON/OFF of No. 2 resist roller.
10
SRRBC
DSPF No.2 resist roller brake clutch
Electromagnetic clutch
Performs braking of No. 2 resist roller.
11
SPFFAN
DSPF cooling fan motor
DC brush-less motor
Cools the motors and the clutches.
12
—
DSPF control PWB
—
Control PWB for DSPF
13
—
DSPF flash PWB
—
Program ROM PWB for DSPF
14
—
DSPF driver PWB
—
Driver PWB for DSPF
15
—
DSPF CCD PWB
—
Scans document images.
16
—
DSPF CL inverter PWB
—
Drives the copy lamp.
17
DSPF COPY LUMP
DSPF copy lamp
Xenon lamp
Radiates light onto a document to allow the CCD to scan
document images.
document images.
17
15
9
16
10
8
11
14
13
12
4
1
3
5
7
2
6
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