CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)11-84D. PCBsFigure 11-604DescriptionRemoves noise from the power supply.Controls sequence of operations.Supplies DC power, generates high voltage, andcontrols the scanning lamp.Makes an electrical connection between the machinetop and bottom.Provides copying insurrections/indications.Detects paper in front of the registration roller.Detects the density of originals.Used for blanking exposure.Used for blanking exposure.Used for pre-exposure.Ref.[1][2][3][4][5][6][7][8][9][10]NameNoise filter PCBDC controller PCBComposite power supply PCBHigh-voltage contact PCBControl panel PCBSensor PCBAE sensor PCBBlanking PCB (front)Blanking PCB (rear)Pre-exposure PCB[2][3][4][5][6][7][8][9][10][1]
