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1. Introduction

1. Introduction
Relevant for:
Last updated a year ago
1. Introduction
 Difficulty
Moderate
 Steps
3
 Available languages
CSDEESFRITJAPL

Step 1 Preparing MMU1 to MMU2S upgrade kit

Preparing MMU1 to MMU2S upgrade kit
Preparing MMU1 to MMU2S upgrade kit
Preparing MMU1 to MMU2S upgrade kit
YOU CAN'T UPGRADE DIRECTLY FROM MK2S MMU1 to MMU2S !!! You need to upgrade to MK2.5S first.

MK2S to MK2.5S upgrade is no longer being supported and sold as a kit. Please see this article about current upgrading options for MK2/S and MK2.5 printers.

The upgrade process is the following:
Disassemble your MK2S MMU1
Prepare the MMU1 motors for MMU2S assembly
Upgrade your printer to MK2.5S
Upgrade your MK2.5S to MK2.5S MMU2S

Step 2 Before you do anything!!!

Before you do anything!!!
Before you do anything!!!
Before you do anything!!!
DON'T RUSH !!! Make sure you have all the parts before you start disassembling your printer!
The upgrade kit MK2 -> MK2.5S does not include all printed parts, you have to print some them on your own! However, as a courtesy the MMU2S upgrade includes all the parts for the MK2.5S extruder. No need to print them ;)
All parts must be printed from PETG or similar material (ABS, etc.). STLs are available at our website: prusa3d.com/prusa-i3-printable-parts
In case you use your own filament, make sure the extruder parts (FS-lever) are printed in black.
Always read the instructions first before you proceed, most issues with the assembly are caused by not following them.
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