Downloading Boot; Outline; Downloading Procedure - Canon iR4570 Series Service Manual

Chapter 17
Be sure never to turn off the machine while it is executing a downloading session or writing downloaded system
software. Otherwise, the ongoing write operation will be suspended and the machine may fail to start up.
If the machine fails to start up, format BOOTDEV using HDFormat, and download such software as System,
Language, and RUI.

17.4.6 Downloading BOOT

17.4.6.1 Outline

iR2270 / iR2870 / iR3570 / iR4570 / iR3530
Boot registered in the SST may be used in common for various types of boot ROMs. You cannot change the type of
a boot ROM by means of downloading.
iR4570/3570,
2870/2270 Series
If a downloading session fails, you will have to replace the boot ROM.

17.4.6.2 Downloading Procedure

iR2270 / iR2870 / iR3570 / iR4570 / iR3530
You can execute a downloading session in either normal or safe mode.
17-30
Service PC
iR4570/3570,
2870/2270 Series
SST
Download
Boot
(Flash ROM DIMM)
To change the type of Boot ROM,
replace the DIMM.
Main controller unit
F-17-38
Boot ROM
C Boot ROM
(Flash ROM DIMM)
P Boot ROM
(Flash ROM DIMM)
0008-7421
0008-7422