Printer model : N/A Processor model : SAM4 how to build cd ~/klipper make menuconfig make erase and set jumper https://duet3d.dozuki.com/Wiki/Installing_and_Updating_Firmware#Section_All_other_Duet_boards flash binary ./lib/bossac/bin/bossac --port=/dev/ttyACM0 -b -U -e -w -v -R out/klipper.bin printer.cfg example : https://github.com/Klipper3d/klipper/blob/master/config/generic-duet2.cfg