Canon USA and Hewlett-Packard provide free services that help you test your fax installation and ensure you can successfully send and receive a fax.
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Verify that the correct 10-digit phone number is programmed into the fax and is properly configured in the machine's fax header. Consult the user or setup guide for instructions.
Create a one-page black-and-white document to use as your test fax.
Send the test fax to one or both of the following test fax services:
Your fax device should indicate whether it successfully sent the fax. Troubleshoot any error codes or messages you receive during the transfer.
About two to seven minutes after you successfully send your fax, you should receive a confirmation fax back from the fax service. If you don't receive a confirmation within 10 minutes, it's likely that your fax is not set up correctly.