Ever needed to test your ability to send or receive faxes? Usually, no one is around to send you a test, or you’d prefer not to bother a client with testing your equipment. HP has a little known service that you can use to test faxing in both directions for free. Simply send a one page text only fax to 1-888-hpfaxme (1-888-473-2963) and wait a few minutes. After a short while, you should receive a fax back from HP.
The official HP page for this service can be found by clicking this link.