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COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 2 MAIN CONTROLLER
2-5 S
1.3.2 Start-Up Sequence
When the main power switch is tuned on, the CPU on the main controller CPU executes
the self-diagnostic program stored in the boot ROM.
The self-diagnostic program checks the condition of the SDRAM and the HDD; upon de-
tection of a fault, it will indicate the fact in the control panel in the form of an error
code.
F02-103-02
E601-0000, 0001
Indicates the presence of an error in image transfer information.
E602-0001, 0002
Indicates the presence of an error in write/read operation.
Self-diagnostic
program
Boot
program
Boot ROM
CPU
SDRAM
System
area
Image data
area
Main controller PCB
HDD
access to the program during execution