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  1. YOU CAN'T UPGRADE DIRECTLY FROM MK2S MMU1 to MMU2S !!! You need to upgrade to MK2.5S first. In case you don't have an upgrade from MK2S to MK2.5S, you can order it on our eshop.
    • YOU CAN'T UPGRADE DIRECTLY FROM MK2S MMU1 to MMU2S !!! You need to upgrade to MK2.5S first.

    • In case you don't have an upgrade from MK2S to MK2.5S, you can order it on our eshop.

    • The upgrade process is the following:

    • Disassemble your MK2S MMU1

    • Prepare the MMU1 motors for MMU2 assembly

    • Upgrade your printer to MK2.5S

    • Upgrade your MK2.5S to MK2.5S MMU2S

  2. DON'T RUSH !!! Make sure you have all the parts before you start disassembling your printer! The upgrade kit MK2 -> MK2.5 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 ;)
    • DON'T RUSH !!! Make sure you have all the parts before you start disassembling your printer!

    • The upgrade kit MK2 -> MK2.5 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.

  3. Lost in the instructions, missing screw or cracked printed part? Let us know! You can contact us using the following channels:
    • Lost in the instructions, missing screw or cracked printed part? Let us know!

    • You can contact us using the following channels:

    • Using comments under each step.

    • Using our 24/7 live chat at shop.prusa3d.com

    • Writing an email to info@prusa3d.com

    • Let's start with the upgrade in the next chapter - 2. MMU1の分解

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Dozuki System

Member since: 09/24/2009

726 Guides authored

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