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© Prusa Research a.s.

Original Prusa MMU1 support

Firmware 3.2.3

November 19, 2021

PrusaSlicer 2.6.0

April 17, 2024

Handbook 1.0

November 16, 2021

Useful links

MMU1 Community Forum
MMU1 Printable Parts
MMU1 Spare Parts
Sample G-codes

Upgrade your Original Prusa i3 MK2/S with MMU1

Community posts

INDX is coming for CoreOne?

1/6/2026, 2:09:57 PM
574 replies

Relay on GPio or is it passthrough

1/6/2026, 1:51:22 PM
11 replies

Need to change the Bowden tube length in firmware

1/6/2026, 1:33:09 PM
13 replies

System presets - printer status after nozzle change

1/6/2026, 1:28:13 PM
2 replies

Under extrusion? at start of seam

1/6/2026, 1:22:34 PM
4 replies

Introduction

Original Prusa i3 MK2/S to MMU1 upgrade

1 chapter

guideCategory-difficulty-unknown