CHAPTER 10 TROUBLESHOOTINGCOPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-65D. PCBsFigure 10-704Symbol[1][2][3][4][5][6][7][8][9]FunctionControlling operationsPowering the fixing roller heater and supplying DCpower to the copier/optionsMeasuring the document densityControlling scanning lamp voltageSupplying high voltage for primary and transferassemblies and developing biasControls the control panelDocument identificationDocument identificationDetects the fixing errorNameDC controller PCBPower supply PCBAE sensor PCBLamp driver PCBHigh-voltage transformerPCBControl panel PCBDocument identificationPCB 0Document identificationPCB 1Differential PCBNoteThe differential PCB is soldered on the DC controller PCB.[2][1][9][5][4][7][8][6][3]
