Erase and flash the firmware

sudo dfu-util -a 0 -D ~/CanBoot/out/canboot.bin --dfuse-address 0x08000000:force:mass-erase:leave -d DEVICE:ID

Power off the system. Plug in the 4 wire CAN cable from the UT0C to the EBB36, and power on the the printer and RPI.

After the system is powered up verify the CAN network is up.

cd klipper

python3 lib/canboot/flash_can.py -q

You should see 1 entry for application CanBoot. Note your UUID.