In addition to its basic four AIO functions, the HP Smart Tank 7602 All-in-One offers internet faxing and is cheap to run, making it a good fit for heavy-duty personal or even small-office needs.

That said, HP’s test fax number, 1-888-HPFaxme (1-888-473-2963 U.S.), provides a great way to make sure that both the outgoing and incoming pathways are open.

If you don't have someone handy who you can fax and receive a fax from, there are various services that can help. HP, the printer and fax machine manufacturer, offers a free hotline at 1-888-HPFaxMe.