COPYRIGHT © 2001CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001CHAPTER 6 TROUBLESHOOTING6-177NotationPCB1PCB2PCB3PCB4PCB5PCB6PCB7PCB8PCB9PCB10PCB11PCB12PCB13PCB14PCB15PCB16PCB17PCB18PCB19PCB20PCB22PCB23PCB24PCB25PCB26PCB27PCB28PCB29PCB30PCB31PCB32NameCCD/AP PCBReader controller PCBPixel/line conversion PCBDifferential PCBMain controller PCBDC controller PCBLaser driver PCB 1Laser driver PCB 2Scanner motor drier PCBDC power supply PCBHVT-DC1 PCBHVT-AC PCBAll day power supply PCBRelay PCBBi-Centronics PCBFluorescent inverter PCBDrum heater control PCBBD PCBPotential control PCBAC driver PCBEnvironment sensor PCBNo-stacking PCBCassette 3 paper level detection PCBCassette 4 paper level detection PCBLaser scanner motor drier PCBIntensity control PCBIntensity sensor PCBOriginal orientation detection PCBControl panel CPU PCBControl panel PCBControl panel inverter PCBT06-609-01