HP C309 - Manual (Page 61)

Solution 6: Make sure the telephone wall jack works properly
Solution: Try connecting a working telephone and phone cord to the telephone wall jack you
are using for the product and check for a dial tone. If you do not hear a dial tone, call your local
telephone company for service.
Cause: The telephone wall jack was not working properly.
If this did not solve the issue, try the next solution.
Solution 7: Check the phone line for noise
Solution: You can check the sound quality of the phone line by plugging a phone into the
telephone wall jack and listening for static or other noise. If the failure was due to noise on the
phone line, contact the sender to have them resend the fax. The quality might be better when
you try again. If the problem persists, turn Error Correction Mode (ECM) off and contact your
telephone company.
To change the ECM setting from the control panel
1. Press Setup.
2. Press the down arrow button to highlight Advanced Fax Setup, and then press OK.
The Advanced Fax Setup menu appears.
3. Press the down arrow button to highlight Error Correction Mode, and then press OK.
The Error Correction Mode menu appears.
4. Press the down arrow button to highlight Off or On.
5. Press OK.
Cause: The phone line connection was noisy. Phone lines with poor sound quality (noise) can
cause faxing problems.
If this did not solve the issue, try the next solution.
Solution 8: Make sure extension phones or other equipment on the phone line are
not in use
Solution: Make sure extension phones (phones on the same phone line, but not connected
to the product) or other equipment are not in use or off the hook. For example, you cannot use
the product for faxing if an extension phone is off the hook, or if you are using a computer dial-
up modem to send e-mail or access the Internet.
Cause: Other equipment that uses the same phone line as the product might have been in
use.
If this did not solve the issue, try the next solution.
Solution 9: Make sure the product is connected to an analog phone line
Solution: Make sure you connect the product to an analog phone line or you will not be able
to send or receive faxes. To check if your phone line is digital, connect a regular analog phone
to the line and listen for a dial tone. If you do not hear a normal sounding dial tone, it might be
a phone line set up for digital phones. Connect the product to an analog phone line and try
sending or receiving a fax.
NOTE: If you are unsure of the kind of phone line you have (analog or digital), check with
your service provider.
Cause: The product might have been connected to a telephone wall jack that was set up for
digital phones.
Fax troubleshooting 59
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