Lexmark CX310 Service Manual page 155

Actions
Step 5
Use a telephone handset to verify the phone line is free of static or external
noise.
Is the phone line noise-free?
Step 6
Use the MFP on a properly functioning phone jack.
Did this fix the problem?
Step 7
In <diags / config menu>, verify that the Enable Fax Receive setting is on.
Is the setting set to on?
Step 8
Set "Enable Fax Receive" to On.
Did this fix the problem?
Step 9
Is Distinctive Ring enabled?
Step 10
Turn on Distinctive ring.
Did this fix the problem?
Step 11
Is the phone line analog?
Step 12
Is the VOIP server configured to support fax?
Step 13
Does the MFP have reception issues with only a certain remote device?
Step 14
Verify communications with a different remote device.
Can the other device receive faxes?
Step 15
Go to the Administrator menu. Enter the Fax settings - Analog Fax Settings
submenu. Verify the Block No Name Fax user setting.
Is it enabled?
Yes
Go to step 7.
Problem resolved.
Go to step 9.
Problem resolved.
Go to step 11.
Problem resolved.
Go to step 13.
Go to step 13.
Go to step 14.
The issue is with the
other device.
Go to step 16.
Diagnostic information
155
7527
No
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 9.
Go to step 10.
Go to step 11.
Go to step 12.
Stop here. This is an
issue with the VOIP
provider.
Go to step 15.
Go to step 15.
Go to step 17.