2-16LASER CLASS 1060P Chapter 2: Technical Reference6. ELECTRIC CIRCUIT6.1 Component Block DiagramFigure 2-8 Block Diagram c)b)MPU(IC1)Reset IC(IC5)System controller(1/2)(IC10)Printercontroller(IC201)Systemcontroller(2/2)(IC10)DRAM64M bit(IC4)ROM8M bit(SOC1)Address Bus, A24-SA0Data Bus, AD16-SD0MODEMCX068129-11(IC301)Amp.Power supply unitRTC SRAMPaper edgesensorTonersensora) SCNT boardOPCNT boardDocumentedge sensorDocumentsensorDriver(IC402)Driver(IC401)Main moterPrinter sectionDcumentfeed motorNCU board Contact sensorSpeaker5.8MHzPaper ejectsensor+3.3V +5V +24V +24V +5Vd) PCNT boarda) System/Printer control sectionb) Communication control sectionc) Document scanning sectiond) Fixing/high-voltage control sectionData Bus, MD7-MD0+20V+3.3V
