METHOD AND APPARATUS FOR DETECTING OVERHEAD TRANSPARENCIES

摘要

This invention relates to a method and apparatus for detecting overhead transparencies (OHT), such as a dual OHT. Dual overhead transparencies, preferably, have a coating on one side that is compatible with ink jet-type printers and a coating on the other side that is compatible with laser jet-type printers. Such structures of this type, inform the user of the type of OHT.