CHAPTER 3 MAIN CONTROLLER3-5COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 20011.3.2 Start-Up SequenceWhen the main power switch is turned on, the CPU on the main controller PCB executesthe self-diagnosis program stored in the boot ROM.The program is used to check the condition of the SDARM and the hard disk; if an erroris found, the fact will be indicated on the control panel in the form of an error code.F03-103-02E601-0000, 0001Indicates an error in the image transfer data.E602-0001, 0002Indicates a write/read error.Self-diagnosisprogramBootprogramBoot ROMCPUSD RAMSystemareaImage dataareaMain controller PCBHDDAccess to the program during executing
