7.5 Upper Cassette BoardJ1J25-43BJC-8500Part 5: MaintenanceJ1 J21 10 1 10Figure 5-15 Upper Cassette BoardPin No.12345678910SignalCSENS1CSENS2CSENS3CSENS4CSENS5CS01CS02GNDOPTVMIN/OUTOUTOUTOUTOUTOUTININ...IN...FunctionPaper size detection signalPaper size detection signalPaper size detection signalPaper size detection signalPaper size detection signalCassette selection signalCassette selection signalGroundLower cassette detection signalMechanism drive voltage 35VPin No.12345678910SignalVMOPTGNDCS02CS01CSENS5CSENS4CSENS3CSENS2CSENS1IN/OUT...OUT...OUTOUTINININININFunctionMechanism drive voltage 35VPlunger (solenoid) drive signalGroundCassette selection signalCassette selection signalPaper size detection signalPaper size detection signalPaper size detection signalPaper size detection signalPaper size detection signal