A hold-down device is disclosed for holding down the leading edges of sheet materials, such as multiple-ply sheets or integrated forms, disposed in a tray of a printer in a horizontal or flat position prior to feeding the leading edge of the top sheet or integrated form into the printer feed mechanism. The method involves receiving, by a satellite navigation receiver, signals broadcast by a global navigation satellite service satellite. The mirror wire harness is routed along an exterior surface of the support arm and an exterior surface of the mounting base.