Canon iR6570 series Service Manual page 638

Chapter 17
HDD setting information
The machine must be in download mode when the SST is used.
The download control program comes in 2 types:
-Normal Mode (download mode B)
turn on the main power while holding down 1+7; then, make the following selections in service mode: COPIER>FUNCTION>SYSTEM>DOWNLOAD
-Safe Mode(download mode A)
turn on the main power while holding down 2+8
17-2
Service PC
SST
Download system software
System software
Backup data
Initialize HDD
Upload backup data
Download backup data
F-17-1
iR ----
HDD
Flash ROM
Back up RAM