44473001TH Rev.1 50 /Oki Data CONFIDENTIAL 2. DESCRIPTION OF OPERATION2.3 Image Scanning process2.3.1 Structure and process of RADF2.3.1.1 Cross-section view1 Paper tray 9 Regist roller2 Paper guide 10 Pressure roller3 Pick-up roller 11 Paper weight4 Friction pad 12 Exit roller5 Feed roller 13 Upper pinch roller6 Separation pad 14 Lower pinch roller7 Transfer roller 15 Paper stcker8 Pinch roller2.3.1.2 Electrical configurationElectrical circuit configurationElectrical control of the MFP is executed by the main controller circuit PCB.The ASIC of the main controller circuit PCB interpret the input signals that are supplied fromsensors and the signals that are supplied from the externally connected equipment.The ASIC output thesignals that drive the DC load devices such as motor, solenoid andclutch in accordance with the specified timings.The ADF relay circuit PCB do not contain the memory area.The data such as service mode data is stored in the main controller circuit PCB.MotorMOTIFADF relay PCBMain controller PCB+24V +3.3VADFMSNSIFADFSSensorSolenoidClutch
