COPYRIGHT © 2000 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A. 9-11CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMSFigure 9-501 shows how the copier's power supplies are arranged:Figure 9-501 Power Supply Block DiagramLeakagebreakerLinenoisefilterELCBLF1HeaterdriverPCBDC powersupply PCBDrum heater (H3)Cassette heater (H4)Output fordeck heater(accessory)RLY1Door switch (SW2)RelayPCBMain powersupplyswitchHeater switch (SW3)DC controllerPCBDrumtemperaturecontrol PCBAC power unitFixingheaterdriverPCBService outletfor finisher(accessory)AC input3.3V/5V-8V/8V12V/15V24V/38V3.3V5V12V3.3V5V12V3.3V5V12V5V12V38VSystem mother-boardMFCPCB-8V5V8VLaserdriverPCB 1-8V5V8VLaserdriverPCB 2-8V3.3V5VImageprocessorPCB3.3VInverterPCB ADF24V24V38V38V24V IntensitycontrolPCBScanninglampheaterIntensitysensorPCB24V24V38V38V24V5V38V3.5KPD(accessory)-12V5V12V38VScannermotordriverPCBLaserscannermotordriverPCB3.3V5V8V15VCCD PCBDrummotor(M0)38V38VMainmotor(M1)Fixingassemblymotor (M3)5V12V18V24V38V5V5V12V18V24VHV-DC1PCB24V24VHV-ACPCBDuplexingunitPickupmotor(M2)Main heater (H1)Sub heater (H2)ACBA CB·Motor·Solenoid·Sensor·FanControlpanelCPUPCBControlpanelswitchNon-100VmodelPrinterboard(accessory)RLY2Imageserver(hard disk)