CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS9-12 COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.B. Turning On the Power1. OutlineThe copier's power output is controlled by the main power supply switch and control panelpower switch, or signals from the printer board (accessory).Figure 9-502 Power-On SequenceLeakagebreakerLinenoisefilterELCBLF1ACinputDCcontrollerPCBControl panelCPU PCBControlpanelswitchMainpowerswitchConvertercircuit 13.3V/5V/+8V-8V/12V/15VConvertercircuit 224V/38VSequencecontrol circuitSwitchingcircuitSwitchingcircuit 1Switchingcircuit 2OvercurrentdetectioncircuitOvercurrentdetectioncircuit3.3V/+8V-8V/15V5V12V24V38V24VOutputOutputOutputOutputPrinterPCB WAKE UPPOWER_IN A-REMOTESwitchingcircuit 2MFCPCBSystemmotherPCBRemote signalcontrol assemblyJ1407J525J505J503J1703J1702J1701J1704J1706J1701J1707J1723MSW5Door switchManual feedtray doorswitchJ1719311x311311A31A11A31B121347Relay PCBDC power supply PCB 2121123123: Power supply line: Signal lineSignal from the printer PCBSignal from the control panel power switchJ1706J1704J1703J1702J1707When the remote signal is received, theconverter circuit 2, switching circuit 1, andswitching circuit 2 on the DC power supplyPCB are turned on.: Output when only the main powerswitch is on.: Output upon arrival of the signalfrom the control panel switch orthe printer PCB.