US Patent 7367729 Printer within a computer keyboard

A printer is disposed within a housing of a keyboard. The keyboard housing has an upper side bearing a plurality of keypads arranged to interact with a keyboard circuit board located within the housing. A print media entry slot formed through a first side of the housing and a print media ejection slot formed through a second side of the housing opposite the first side provide an entry and exit for a print media transport assembly located between the keyboard circuit board and a bottom side of the housing, the assembly extending across the width of the keyboard circuit board. The assembly is arranged to draw print media through the entry slot.