Step 1 Preparing the MMU2S upgrade kit
⬢Welcome to the tutorial on how to upgrade your single material Original Prusa i3 to Original Prusa i3 with MMU2S.
⬢Directly compatible printers:
⬢Original Prusa i3 MK3S+, MK3S and MK2.5S
⬢Original Prusa MK3 or MK2.5, older MMU2S packages included extruder upgrade, if yours does not, please upgrade first to MK3S+ extruder.
⬢Original Prusa i3 MK2/S (please see this article about upgrading to the unofficial version, MK2.5S+)
⬢Original Prusa i3 MK2/S MMU1 (upgrade is no longer available)
For those upgrading MMU2 to MMU2S, please follow chapters 2 and 3 to rebuild the extruder, then skip to chapter 6 (Step 23), assemble buffer in chapter 7 and calibrate printer according to chapter 8.