How to Quickly Test a Fax Machine

Having used the HP Fax Test line to test fax machines for many years, it seems to no longer work (last tested on December 17, 2024). 🙁 Normally, you would send a single-page fax to the HP Fax Test line at 1-888-HPFAXME (1-888-473-2963) and about 5 to 10 minutes later you receive a fax back …