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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

Nylon print fails when print region gets much smaller

10/26/2025, 11:38:25 PM
3 replies

I messed up my screws...

10/26/2025, 11:33:50 PM
5 replies

Layer bulge or "smoosh" after print is done?

10/26/2025, 11:32:32 PM
2 replies

HT CORE One: 500c Nozzle and a Fully Automatic, Inputless, Actively Heated, Insulated Chamber

10/26/2025, 10:29:44 PM
46 replies

Best £3.20 mod I've ever made.

10/26/2025, 9:40:14 PM
3 replies

Introduction

Original Prusa i3 MK2/S to MMU1 upgrade

1 chapter

guideCategory-difficulty-unknown