02/20006-65DocuPrint N2025/N2825 GP 5.12General Procedures / InformationInitial IssueGP 5.12 FeederSize Switch – Figure 1Detects the paper size in the Cassette Assembly. The switch is actuated by the Cam Size cor-responded to the paper size. The contact signal is detected by the Print Engine Controller PWBand then the bit information of STATUS 7 which represents the paper size is returned to theController.Low Paper Sensor - Figure 2Detects the Low Paper State of the Cassette Assembly by the Low Paper Actuator. When theLow Paper State, the longer arm of the actuator which end contacted on the Latch Assembly ispushed up by the Latch Assembly and the shorter arm, opposite side of the fulcrum, is pusheddown and actuates the Low Paper Sensor.MBF Home Switch –Detects the completion of the Cassette Assembly insertion in the Feeder.Retard Holder Assembly –Prevents extra sheets of paper from being fed from the Cassette Assembly by the functionbetween the paper and the rubber roll of the Holder Assembly Retard and ensures the feedingof only one sheet of paper.Lower Turn Roll Assembly –This assembly transports the paper fed from the Option Feeder installed below this Feeder.The drive power is delivered from the Feed 2 Motor through the Gear Turn/L.Figure 1 Size Switch