Step 1 アップグレードキットの準備

⬢Welcome to our step-by-step guide on upgrading your Original Prusa i3 MK3/MK3S/MK3S+ to the Original Prusa MK3.9.
⬢Prepare the upgrade kit received from Prusa Research.
WARNING: Before you start disassembling the printer, ensure that you have successfully printed all the required parts for the upgrade.