2 - 1CHAPTER 2I. BASIC OPERATIONA. FunctionsPrinter functions can be divided into five groups: video control system, engine control system, image formation system,laser/scanner system, and paper pickup/feed system.Figure 2-1-1To external device (host computer,etc.)PICK-UP/FEEDSYSTEMIMAGE FORMATIONSYSTEMLASER/SCANNER SYSTEMENGINE CONTROLSYSTEMScanning mirrorLaserdiodeScannermotorBDcircuitEngine controller PCBFace-up delivery slotFixing Pick-upcontrolDevelopingunitPhoto-sensitivedrumPrimarychargingrollerCleanerunitTransferchargingrollerManual feed slotMulti-purpose trayFace-down delivery trayVIDEO CONTROL SYSTEMInterface controllerPCB DisplayPCB
