41316401TH Rev.4 7 /M M M M M M M MLED HeadCentronics I/FUSB I/F2 × Option SlotsJunction BoardPulse MotorEngine ControlLow VoltagePower UnitFuserUnitHigh VoltagePower Unit2nd/3rd TrayDuplexUnitBeltUnitPaper size sensor (4 bits)Paper empty sensorPaper near empty sensorMT paper empty sensorFF home switchLoading sensor 1Loading sensor 2C-IDUnitM-IDUnitY-IDUnitK-IDUnitC ID M ID Y ID K IDBelt HeatMT/Registration HoppingOperator Panel3 × ROMDIMMs4 × RAMDIMMIDEI/F(HDD)DC FanNoteNote Option Slot:LAN Card made by JCI1. CONFIGURATIONS1.1 System ConfigurationFigure 1-1 shows the system configuration of the C7000 Series of printers.Figure 1-1