Construction Of The System Software(Ir105); E602 In Detaill - Canon ImageRunner iR8500 Series Service Manual

- While the Boot Program Is Being Run
Image memory (SDRAM)
System area Image data
CPU
Self-diagnosis
program
BootROM
Main controller PCB
: access to the program during execution.
: flow of the system program.
F-4-15

4.3.6 Construction of the System Software(iR105)

iR105
The system software of the machine can broadly be divided into system modules (for control) and language modules (for indication on the control panel
LCD).
To upgrade the machine, you will have to upgrade both the system modules and the language modules.

4.3.7 E602 in Detaill

iR105i/iR105+ / iR9070 / iR85+ / iR8070
XX
00
00
area
Boot
program
YY Description
01 The HDD cannot be recognized. The
startup partition (BOOTDEV) cannot be
found at startup.
02 The system software for the main CPU
does not exist.
System
software
HDD
T-4-6
Remedy
1. Turn off the main switch, and check the cable
connector. Then, turn on the main switch.
2. Check to see if the HDD spins up when the main switch
is turned on and if the 5V/12V power is supplied.
3. If the symptom still exists after the foregoing, replace
the HDD, re-install the system software. If the symptom
still exists, replace the main board.
1. Start up in safe mode, and format the HDD using the
SST (all); then, re-initial the system software (System,
Language, RUI); then turn off and then back on the main
power switch.
2. If the symptom still exists after the foregoing, suspect
a fault on the HDD, and replace the HDD and re-install
the system software.
Chapter 4
0006-9794
0008-5847
4-11