2WA/2NJ/2RK
7-497
(1-7) C0920: FAX file system error
The backup data could not be stored since the file system of the flash memory is faulty.
2 Initializing the fax The data in the FAX PWB
is faulty.
Execute U600 to initialize the
FAX.
Executing
U600
3 Firmware upgrade The firmware is not the lat-
est version.
Upgrade the fax firmware to
the latest version.
Firmware
Update
4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Instal-
lation
Guide
5 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching
and reat-
taching the
main PWB
6 Executing U024 The data stored in the SSD
is faulty.
Execute U024 [SSD Format]. Executing
U024
Step Check description Assumed cause Measures Reference
1 Initializing the fax FAX control values are
incorrect
Execute U600 to initialize the
FAX.
Executing
U600
2 Checking the FAX PWB The FAX PWB does not
operate properly.
Turn the power switch and
the main power switch off .
After 5s passes, reattach the
FAX PWB and turn the main
power switch and the power
switch on.
FAX Instal-
lation
Guide
3 Reinstalling the FAX PWB The FAX PWB is not prop-
erly installed.
Reinstall the FAX PWB. FAX Instal-
lation
Guide
4 Firmware upgrade The firmware is not the lat-
est version.
Upgrade the fax firmware to
the latest version.
Firmware
Update
5 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. FAX Instal-
lation
Guide
Step Check description Assumed cause Measures Reference
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