Testing a fax machine

HP provide a fax line which can be sent to and receive faxes.

Send a one-page black and white text fax to 1-888-473-2963. When the service receives your fax, a return confirmation fax is sent within five minutes. This verifies that you can both send and receive a fax.

Read the following guidelines and tips if the test fax fails to send or the confirmation fax is not received.

  • Add your fax number in the fax header: The service uses the header number to send the confirmation fax. Make sure your full 10-digit fax number is in the header, and that it matches the number of the phone line connected to the fax.
  • Remove conflicting phone line services: Services such as voice mail, call waiting, anonymous call rejection, privacy manager, and caller ID can interfere with incoming faxes. Pressing *82 before dialing the HP Fax Test Service number unblocks the Caller ID blocking feature in most areas. Contact your telephone company if any of these services are interrupting fax communication.
  • Run a fax test: Print a fax test report to identify any issues with the printer, phone line connection, or fax settings. On the printer control panel, locate Run Fax Test or Fax Test Report in the Fax or Setup menus. Review the report for any tests that failed and follow any instructions provided.

https://support.hp.com/us-en/document/c00259105

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