Sharp AR-M550N Service Manual page 382

Main Sub FAX expansion Flash memory
Title
code code trouble (MFP control detection)
F6 01 Phenomenon Display
Details
Section
Operation
mode
Note
Case 1 Trouble
position/
Cause
Remedy
Note
Main Sub
Title FAX modem operation abnormality
code code
F6 04 Phenomenon Display
Details
Section
Operation
mode
Note
Case 1 Trouble
position/
Cause
Remedy
Note
Case 2 Trouble
position/
Cause
Remedy
Note
Lamp
Message
FAX expansion Flash
memory trouble (MFP
control detection)
The expansion flash
memory inserted to the
FAX I/F PWB could not
be cleared.
FAX
Initialization of the FAX
expansion memory failed,
which is required for a
new memory that is
inserted to the PWB.
Use SIM 66-10 to clear
the expansion flash
memory.
Lamp
Message
FAX modem operation
abnormality
The initializing process of
the modem chip in the
FAX PWB is not
completed normally.
FAX
SW101 in the FAX PWB
tries to perform normal
operation on the boot
side.
Set SW101 on the FAX
PWB to other than the
boot side, and turn on the
power again.
FAX PWB modem chip
operation trouble
Replace the FAX PWB.
AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 27
Main Sub
Title FAX write protect cancel
code code
F6 20 Phenomenon Display
Details
Section
Operation
mode
Note
Case 1 Trouble
position/
Cause
Remedy
Note
Case 2 Trouble
position/
Cause
Remedy
Note
Main Sub Abnormal combination of the TEL/
Title
code code LIU PWB and the FAX soft switch
F6 21 Phenomenon Display
Details
Section
Operation
mode
Note
Case 1 Trouble
position/
Cause
Remedy
Note
Case 2 Trouble
position/
Cause
Remedy
Note
Lamp
Message
The write protect jumper
of the FAX interface PWB
is released.
FAX
The FAX write protect pin
is set to Write Enable.
Check the write protect
pin in the FAX interface
PWB.
FAX interface PWB
trouble
FAX PWB trouble
Replace the FAX PWB.
Replace the FAX
interface PWB.
Lamp
Message
Combination error of TEL/
LIU PWB and software
If the destination of the
installed TEL/LIU PWB
differs from that of the
FAX soft switch, it is
judged as an error.
FAX
The destination of the
installed TEL/LIU PWB
differs.
The FAX PWB
information (soft switch)
differs.
Check the destination of
the TEL/LIU PWB.
Check the FAX PWB
information (soft switch).
TEL/LIU PWB trouble
Replace the TEL/LIU
PWB.