Read Sharp MX-RP20 Service Manual online
MX-RP
20 N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 2
3. Motors, Clutches, Solenoids, PWB
SPFM
SPM
SRRC
SPRS
1
Signal name
Name
Type
Function/Operation
SPFM
Transport motor
Stepping motor
Drives the transport roller.
SPM(SPUM)
Paper feed motor
Stepping motor
Controls the paper feed roller. (Controls the timing of the paper feed roller.)
SPRS
Pressure release solenoid
Electromagnetic solenoid
Releases the pressure of the transport roller 3 when reversing a document and
transporting it to the resist roller.
transporting it to the resist roller.
SRRC
PS clutch
Electromagnetic clutch
Controls ON/OFF of resist roller.
No.
Name
Function/Operation
1
RSPF driver PWB
Drives the motor and the clutch in the RSPF section.
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