6 – 24Chapter 6 Principles of OperationVersion 1 2007.12.283.3.7 Paper detection by the Regi SensorSince the paper path from the MPF/Duplex to the Regi Sensor and that from the Paper Tray to the RegiSensor are different, the Regi Sensor is provided with the Actuator A and Actuator B.The Actuator A detects the sheet fed from the MPF/Duplex.The Actuator B detects the sheet fed from the Paper Tray.However, the movement of the Actuator A does not affect the Actuator B.3.3.8 Reference diagramKmy06057KASPRING REGI SNSR ASPRING REGI SNSR BACTUATOR AACTUATOR BFrom PAPER TRAYPAPERACTUATOR BACTUATOR AACTUATOR BACTUATOR A ACTUATOR AFrom MPF or DUPPAPERSENSOR PHOTO (Regi Sensor )SENSOR PHOTO(Regi Sensor )SENSOR PHOTO(Regi Sensor )Normal PositionSENSOR PHOTO(Regi Sensor )