For several months I used this machine that is not fast enough for my besoins.Ce which is a drawback is that you are forced to do the duplex Fax manuellement.Le that occasionally I require is more accessible in sending and reception that I have not yet tested. Qant the printing not fast, it is correct that both the document image processing; In Perspective WIFI I posssède a set Frebox HD, WIFI progammant by adsl, which operated at merveille.J 'checked its operation with a portable computer on battery power and on the other end of the apartment and the printer works wonders, This unit is good for an economic common use for a particular hurry too, especially not for professional