2. Product Specifications and DescriptionName Function Connector & Pin informationTray1 paper size detection sensor Detects tray1 paper size CN4@ MAIN PBA, 19PinTray1 paper empty detection sensor Detects tray1 paper empty CN27@ MAIN PBA, 3PinTray1 upper limit detection sensor Detects tray1 upper limit CN27@ MAIN PBA, 6PinTray1 paper feed jam detection sensor Detects Feed1 jam CN27@ MAIN PBA, 8PinTray2 paper size detection sensor Detects tray2 paper size CN4@ MAIN PBA, 23PinTray2 paper empty detection sensor Detects tray2 paper empty CN27@ MAIN PBA, 20PinTray2 upper limit detection sensor Detects tray2 upper limit CN27@ MAIN PBA, 23PinTray2 paper feed jam detection sensor Detects Feed2 jam CN27@ MAIN PBA, 25PinPaper regi. jam detection sensor Detects regi. jam CN31@ MAIN PBA, 12PinPaper curl detection sensor Detects paper curl between T2 Rollerand fuser unitCN26@ MAIN PBA, 18Pin, 21PinPaper fuser-out jam detection sensor Detects fuser unit jam CN26@ MAIN PBA, 12PinExit tray1 paper full detection sensor Detects paper full on Exit tray1 CN19@ MAIN PBA, 6PinExit2 tray path &Return path solenoid Change paper path CN19@ MAIN PBA, 11PinDuplex motor Controls duplex driving CN26@ MAIN PBA, 6Pin~9PinDuplex jam detection sensor Detects duplex jam CN26@ MAIN PBA, 24PinExit tray 2 paper full detection sensor Detects paper full on Exit tray2 CN19@ MAIN PBA, 18PinExit tray 2 paper return detection sensor Detects Duplex Return position CN19@ MAIN PBA, 15PinMPF(Multi-Purpose Feeder) Paperempty detection sensorDetects MP tray paper emptyNOTEIf paper is loaded in the MP tray, thattray takes priority over trays 1,2,3, or4.CN26@ MAIN PBA, 3PinMPF(Multi-Purpose Feeder) solenoid Controls MPF pick up roller CN26@ MAIN PBA, 4PinTray1 Lift motor Lifting Knock up plate CN27@ MAIN PBA, 10Pin~13PinTray2 Lift motor Lifting Knock up plate CN27@ MAIN PBA, 14Pin~17Pin2-32 Copyright© 1995-2013 SAMSUNG. All rights reserved.