Read Sharp AR-M550 (serv.man16) Service Manual online
AR-M550/M620 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 20
Main
code
code
Sub
code
Title
Finisher/saddle bottom staple
motor trouble
motor trouble
F1
44
Phenomenon
Display
Lamp
Message
Message
Details
Finisher/saddle bottom
staple motor trouble
The home position
sensor does not turn off
within the specified time
after normal starting of
the motor.
The home positions
sensor does not turn on
within the specified time
after reverse starting of
the motor in recovery.
staple motor trouble
The home position
sensor does not turn off
within the specified time
after normal starting of
the motor.
The home positions
sensor does not turn on
within the specified time
after reverse starting of
the motor in recovery.
Section
Finisher
Operation
mode
Note
mode
Note
Case 1
Trouble
position/
Cause
position/
Cause
Finisher control PWB
trouble
Malfunction caused by
noises
trouble
Malfunction caused by
noises
Remedy
Replace the finisher
control PWB.
control PWB.
Note
Main
code
code
Sub
code
Title
Finisher/saddle front staple motor
trouble
trouble
F1
45
Phenomenon
Display
Lamp
Message
Details
Finisher/saddle front
staple motor trouble
The home position
sensor does not turn off
within the specified time
after normal starting of
the motor.
The home positions
sensor does not turn on
within the specified time
after reverse starting of
the motor in recovery.
staple motor trouble
The home position
sensor does not turn off
within the specified time
after normal starting of
the motor.
The home positions
sensor does not turn on
within the specified time
after reverse starting of
the motor in recovery.
Section
Finisher
Operation
mode
mode
Note
Case 1
Trouble
position/
Cause
position/
Cause
Finisher control PWB
trouble
Malfunction caused by
noises
trouble
Malfunction caused by
noises
Remedy
Replace the finisher
control PWB.
control PWB.
Note
Main
code
code
Sub
code
Title
Finisher/saddle push motor trouble
F1
46
Phenomenon
Display
Lamp
Message
Message
Details
Finisher/saddle push
motor trouble
When moving to the
home position, the home
position sensor does not
turn on within the
specified time.
The push lead edge
sensor does not turn on
within the specified time
after shifting from the
home position.
When shifting from the
home position to the lead
edge, the home position
sensor does not turn off
within the specified time.
The lead edge sensor
does not turn off within
the specified time when
shifting from the lead
edge position to the home
position.
The motor RPM at every
50msec falls below the
specified level.
The lead edge sensor
does not turn on within
the specified time when
shifting from the home
position to the lead edge
position.
motor trouble
When moving to the
home position, the home
position sensor does not
turn on within the
specified time.
The push lead edge
sensor does not turn on
within the specified time
after shifting from the
home position.
When shifting from the
home position to the lead
edge, the home position
sensor does not turn off
within the specified time.
The lead edge sensor
does not turn off within
the specified time when
shifting from the lead
edge position to the home
position.
The motor RPM at every
50msec falls below the
specified level.
The lead edge sensor
does not turn on within
the specified time when
shifting from the home
position to the lead edge
position.
Section
Finisher
Operation
mode
mode
Note
Case 1
Trouble
position/
Cause
position/
Cause
Finisher control PWB
trouble
Malfunction caused by
noises
trouble
Malfunction caused by
noises
Remedy
Replace the finisher
control PWB.
control PWB.
Note
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