Lexmark X543 Service Manual page 119

Step Questions / actions
17 Go to the Administrator menu. Enter the Fax
settings - Analog Fax Settings submenu.
Verify the remote device number is not in the
Banned Fax List user setting.
Is the remote device number in the banned
fax list?
18 Remove the remote number from the
banned fax list.
Did this fix the problem?
19 Adjust the "Receive Threshold" setting in the
SE menu. press **411 to enter the SE
menu, enter Modem settings, and select
"Receive Threshold".
Test by adjusting the received signal level by
decreasing/increasing the"Receive
Threshold" setting in steps of 2db. For
example, if default value is -43 db, changing
it to -45db will decrease the received signal
level by 2db, and changing it to -41db will
increase the received signal level by 2db.
Recommended adjustment range is
between -33db and -48db (in 2db steps).
Did this fix the problem?
20 press **411 to enter the SE Menu. Select
"Print Logs".
Print the T30 transmission/ job log. Check
the error code being reported. See
error log codes" on page
the suggested resolution for the error.
Did this fix the problem?
Go to step18
Problem resolved.
Problem resolved
Problem resolved.
"Fax
2-27. Perform
Yes
Go to step 19.
Go to step 19.
Go to step 20.
Contact your second-level
of support. See
"Escalating a fax issue to
second-level support" on
page 2-76.
Diagnostic information
7525-xxx
No
2-75