Hp 2610xi Photosmart Won't Fax

[iguess]

I have my printer by itself and it will not fax. i have the phone line in line-in.
i only want to fax it just hums. whats wrong? i dont need to load software and drivers on computer if im only faxing right?

[Simon R.]

May be you can find an answer here:

HP Faxing Products (http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00014834&lc=en&cc=us&dlc=en&product=421134&lang=en)