HP Photosmart C4344 All-in-One Printer - Manual (Page 176)

Solution 14: Lower the fax speed
Solution: You might need to send and receive faxes at a slower rate. Try setting
the Fax Speed to Medium (14400) or Slow (9600) if you use one of the following:
• An Internet phone service
• A PBX system
• Fax over Internet Protocol (FoIP)
• An ISDN service
For more information, see:
“Set the fax speed” on page 18
Cause: The Fax Speed setting was set too fast.
If this did not solve the issue, try the next solution.
Solution 15: If you are faxing over the Internet using IP phone, resend the fax at a
later time
Solution: Try resending your fax at a later time. Also, make sure your Internet
service provider supports faxing over the Internet.
If the problem persists, contact your Internet service provider.
Cause: You were faxing over the Internet using an IP phone, and there was a
problem with the transmission.
The product cannot send faxes, but can receive faxes
Try the following solutions to resolve the issue. Solutions are listed in order, with the most
likely solution first. If the first solution does not solve the problem, continue trying the
remaining solutions until the issue is resolved.
• Solution 1: Make sure you set up the product as described in the printed
documentation
• Solution 2: Check the fax number
• Solution 3: Dial the fax number more slowly
• Solution 4: Check the receiving fax machine for problems
Solution 1: Make sure you set up the product as described in the printed
documentation
Solution: Follow the instructions in your printed documentation to set up the
product properly for faxing, based on the equipment and services you have on the
same phone line as the product. Then, run a fax test to check the status of the product
and to make sure you set it up properly.
The product prints a report with the results of the test. If the test fails, review the report
for information on how to fix the problem.
For more information, see:
• “Test your fax setup” on page 25
• “The fax test failed” on page 203
Fax troubleshooting 173
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