4 ] Component Identification - Sharp SF-A55 Service Manual

[4] STRUCTURE
A. External fitting
Original guide
Original feed cover
Display lamp
B. Mechanism
Separation belt
Weight plate
Paper feed roller
Original
stopper
Resist roller
Transport belt follower belt
D. Motors, solenoids, and clutches
Motors
Code Name
DFM Paper feed motor
DTM DC motor
Solenoids and clutches
Code Name
SFSOL Paper feed solenoid
SSOL Shutter solenoid
DRSOL Reverse solenoid
DTC Transport clutch
Original set tray
Original transport cover
Original exit section cover
Reverse
Semi - circular roller
flapper
Paper exit roller
Transport belt drive
Transport belt
Reverse roller
Type
DC motor
DC motor
Type
DC solenoid
DC solenoid
DC solenoid
Electromagnetic clutch
DFM DFSOL
C. PWB distribution
Control PWB
Original end
sensor 2 PWB
Original
detector PWB
Original timing
detector PWB
Function, operation
Drives the pick-up roller, the separation roller, and the resist roller.
Drives the transport belt roller, the reverse roller, and the transport roller.
Function, operation
Presses the weight plate of the paper feed
section onto the original.
Opens/closes the paper feed section
shutter.
Drives the reverse flapper to select the
path of paper exit or reverse.
Drives the transport motor and
connects/releases the transport belt roller.
DTC DTM
DRSOL
SSOL
– 5 –
Reverse original
Lead switch PWB
detector PWB
LED PWB
Contact, output
When ON, the weight plate is
lowered.
When ON, the shutter is
lowered.
When ON, the reverse path is
selected.
When ON, the drive is
connected.