Lexmark CX310dn, Service Manual

Page: 146 / 394

Actions Yes No
Step 13
Check the device that cannot receive a fax.
Can it send a fax?
Go to step 14. Stop here. The issue is
with the other device.
Step 14
Press **411 to enter the Fax/SE Menu. Select “Print Logs”.
Print the T30 transmission log. Check the error being reported with the
fax error code table. See
“Fax error log codes” on page 148 .
Perform the suggested resolution for the error.
Did this fix the problem?
Problem resolved. Go to step 15.
Step 15
Adjust the “Transmit Level” setting in the SE menu. press **411 to enter
the SE menu, enter Modem settings, and select “Transmit Level”.
Test by adjusting the transmitted signal strength by decreasing/increasing
the ‘Transmit Level’ setting in steps of 1db. For example, if default value
is -11 db, changing it to-12db will decrease the signal strength by 1db, and
changing it to -10db will increase the signal strength by 1db.
Recommended adjustment range is ±5 db (in 1db steps) from the default
value.
Did this fix the problem?
Stop. Problem
resolved. Go to your second-level
of support. See
“Escalating a fax issue
to second
‑
level
support” on page 152 .
Fax transmission service check
Actions Yes No
Step 1
Is the phone line properly connected to the modem card and the wall jack?
Go to step 2. Go to step 3.
Step 2
Properly connect the phone line to the modem card and wall jack.
Did this fix the problem?
Problem resolved Go to step 3.
Step 3
Check for a dial tone.
Is there a dial tone?
Go to step 4. Go to step 6.
Step 4
Use a telephone to test the phone line’s ability to send and receive calls.
Did the phone line work properly?
Go to step 7. Go to step 5.
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Diagnostic information
146