Sharp SF-A57 Service Manual page 26

E. Sensor error (DLS1, DLS2, DED, DSS,
DWS, DFMRS) (Common to SF-A18/A57)
E
Is the sensor
harness connected
properly ?
YES
Is the harness
conducting ?
YES
Is the control
PWB sensor output
normal ?
YES
Replace the control
PWB.
F. Solenoid error (DFSOL)
(Common to SF-A18/A57)
F
Are the coils
conducting ?
YES
Is the
harness connecting
properly ?
YES
Is the harness
conducting ?
YES
Replace the control
PWB.
NO
Connect the harness
properly.
NO
Replace the harness.
NO
Replace the sensor.
NO
Replace the solenoid.
NO
Connect the harness.
NO
Replace the sensor.
G. Solenoid error (DFSOL, DRSOL)
(Common to SF-A18/A57)
F
DRSOL
DRSOL
Is the
solenoid positioned
properly ?
YES
Are the coils
conducting ?
YES
Is the
harness connected
properly ?
YES
Is the harness
conducting ?
YES
Replace the control
PWB.
H. Originals cannot be fed.
(Common to SF-A18/A57)
G
Are the rollers
in the paper feed
section free from
paper dust or
dirt?
YES
Does the
semi-circular roller
rotate ?
YES
F
– 25 –
NO
Adjust.
NO
Replace the solenoid.
NO
Connect the harness.
NO
Replace the harness.
Adjust the mechanism load
NO
and the drive system and
remove foreign materials.
NO
B