Model KP1663 is a prism type photo sensor and consist of an Infrared LED and a Photo transistor.
Features - Easy to install by snap in - High resolution to object position. - Available for detection of bill/dark paper - Distance between sensor and prism can be set - For application of dual beam sensor
Application - Paper absence and Paper edge detection on Bill, Copying machine, Printer, and Facsimile - Object position detection.