Read Sharp AR-M700 (serv.man28) Service Manual online
AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 19
Main
code
code
Sub
code
Title
Finisher/punch backup ROM
trouble
trouble
F1
38
Phenomenon
Display
Lamp
Message
Message
Details
Finisher/punch backup
ROM trouble
Punch unit backup RAM
data are garbled.
ROM trouble
Punch unit backup RAM
data are garbled.
Section
Finisher
Operation
mode
Note
mode
Note
Case 1
Trouble
position/
Cause
position/
Cause
Punch control PWB
trouble
Malfunction caused by
noises
trouble
Malfunction caused by
noises
Remedy
Replace the punch
control PWB.
control PWB.
Note
Main
code
code
Sub
code
Title
Finisher/saddle positioning plate
motor trouble
motor trouble
F1
41
Phenomenon
Display
Lamp
Message
Message
Details
Finisher/saddle
positioning plate motor
trouble
The positioning motor HP
sensor does not turn on
within 1.33sec after
starting the motor.
The positioning motor HP
sensor does not turn off
within 1sec after starting
the motor.
positioning plate motor
trouble
The positioning motor HP
sensor does not turn on
within 1.33sec after
starting the motor.
The positioning motor HP
sensor does not turn off
within 1sec after starting
the motor.
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 guide motor
trouble
trouble
F1
42
Phenomenon
Display
Lamp
Message
Message
Details
Finisher/saddle guide
motor trouble
It does not return to the
home position within the
specified time from
starting the guide motor.
The HP sensor does not
turn off within the
specified time when
shifting from the home
position to the specified
position.
motor trouble
It does not return to the
home position within the
specified time from
starting the guide motor.
The HP sensor does not
turn off within the
specified time when
shifting from the home
position to the specified
position.
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 alignment motor
trouble
trouble
F1
43
Phenomenon
Display
Lamp
Message
Details
Finisher/saddle alignment
motor trouble
When shifting to the
home position, the home
position sensor does not
turn on.
The HP sensor does not
turn off within the
specified time when
shifting from the home
position to the specified
position.
motor trouble
When shifting to the
home position, the home
position sensor does not
turn on.
The HP sensor does not
turn off within the
specified time when
shifting from the home
position to the specified
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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