OPT2026–OPT2029 Print Mark Sensor Operating Instructions

This document provides operating instructions for wenglor Print Mark Sensors (models OPT2026–OPT2029), which use a white light LED to detect brightness and color combinations between print marks and backgrounds. It covers proper use, safety precautions, technical data, installation, start-up, teach-in and potentiometer functions, delay times, trigger functions, and maintenance.