1.5 KiB
1.5 KiB
EMMC Backup Procedure
- Use app version 2.39 and stop the booting process by holding key 's'
- Insert USB disk with the file backup.scr on it
- From the uboot shell enter the following:
usb reset
usb dev 0
fatload usb 0:0 42000000 backup.scr
If you see an error, try typing in usb part and see what partitions are available. Then enter:
fatload usb 0:<Enter partition number in here> 42000000 backup.scr
Example:
fatload usb 0:1 42000000 backup.scr
(Partition 1)
source 42000000
- Remove the USB disk and insert at least 8GB USB disk
- Wait about 15 minutes and the entire emmc will be transfered 1:1 to the USB disk If you see an error and the script stopped before showing 100%, insert another type USB disk and enter:
source 42000000
- From a linux machine export the backup as a file:
dd if=/dev/sdh of=emmc_backup.bin bs=512 count=15269888 status=progress
With the xfel tool:
You could either do:
xfel exec 0x0
to boot into uboot and then enter the commands above or:
- Enter the printer in FEL mode
- Enter the following:
xfel ddr t113-s3
xfel write 0x43000000 uboot239.bin
xfel exec 0x43000b50
Press and hold key 's' until the boot process stop in uboot shell and go to step 3 above
You can modify the script and create new backup.scr image by:
mkimage -T script -n 'EMMC Backup' -d backup.txt backup.scr