1. A drop position detecting apparatus, comprising: a first light source oriented to provide a first light in a first direction; a second light source oriented to provide a second light in a second direction; the first and second light sources oriented substantially in a first plane, the first plane oriented substantially orthogonal to a predetermined flight path of a drop; a beam splitter having first and second portions; a first mirror, positioned to receive the first light, the first mirror to reflect the received first light to the first portion of the beam splitter; and a second mirror, positioned to receive the second light, the second mirror to reflect the received second light to the second portion of the beam splitter.