Lexmark CX725 Service Manual page 250

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Step 3
Connect the telephone cable to a working wall jack.
Does the problem remain?
Step 4
Check if the telephone line is analog.
Is the telephone line analog?
Step 5
Check if the telephone line is a VOIP line.
Is the line VOIP?
Step 6
Ask the system administrator to verify if the VOIP server is
configured to receive faxes.
Is the server configured to receive faxes?
Step 7
Check if the printer is on a PABX.
Is the printer on a PABX?
Step 8
a
From the home screen, navigate to:
Settings > Fax > Analog Fax Setup > Fax Send Settings >
Behind a PABX
b
Touch Yes.
Does the problem remain?
Step 9
a
From the home screen, navigate to:
Settings > Fax > Analog Fax Setup > Fax Send Settings >
Behind a PABX
b
Touch No.
c
Check if access to an outside line needs a dial prefix.
Does access need a dial prefix?
Step 10
Send a fax using a dial prefix.
Does the problem remain?
Diagnostic information
250
Yes No
Go to step 4. The problem is
solved.
Go to step 7. Go to step 5.
Go to step 6. Go to step 7.
Go to step 7. Contact the next
level of support.
Go to step 9. Go to step 8.
Go to step 9. The problem is
solved.
Go to step 10. Go to step 11.
Go to step 11. The problem is
solved.
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