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1. Introduction

Step 1 of 8 (Chapter 1 of 3)
Contents
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In this guide, we will be upgrading the MK3S+ MMU3 setup into MK3.9/ MK4 MMU3.
Make sure your MK3.9 / MK4 printer is fully assembled and tested.
MMU3 installation requires extruder modifications. However, we need to make a few other adjustments before proceeding with that.
Let's quickly review the key points we'll cover in this guide:
Introduction

Comments

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rosal02
Is this the same Upgrade Procedure for the MMU3 from "MK3S+ MMU3" to "MK4S MMU3"? I can't find the MMU3 Upgrade Manuals for the MK4S?
Jan Kratochvíl

Kinda...It is the same principle, but MK4S nextruder has different cooling, so the procedures is slightly different. But in the end...yea, you want to achieve the same thing.