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Original Prusa i3 MK2S

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© Prusa Research a.s.

Original Prusa i3 MK2S support

Firmware 3.2.3

November 19, 2021

PrusaSlicer 2.9.1

April 11, 2025

Handbook 2.02

November 16, 2021

Useful links

MK2S Community Forum
MK2S Printable Parts
MK2S Spare Parts
Sample G-codes

Assemble the Original Prusa i3 MK2S

Upgrade to MK2S from Original Prusa i3 MK2

Upgrade to MK2S from Original Prusa i3 Plus 1.75 mm

Fix common issues

Warping

Warping

When printing large objects, you can sometimes run into an issue with the corners of the object being lifted from the bed – mostly when printing with high-temperature materials…

Extruder blob

Extruder blob

The blob (mass of plastic accumulated around the hotend) is one of the most scary-looking printing problems you might face with your 3D printer. Removing it after it happens is…

Community posts

Will there be CORE-One-L-heatbed upgrade kit for the CORE One?

11/2/2025, 8:01:19 AM
11 replies

OpenPrintTag reader in s multi filament printer.

David Wood (dwuk3d)

11/2/2025, 7:57:27 AM
10 replies

INDX is coming for CoreOne?

David Wood (dwuk3d)

11/2/2025, 7:52:51 AM
208 replies

Advanced Filtration after printing / z-motors not being shut off

11/2/2025, 7:51:07 AM
6 replies

6.4.0-alpha Firmware for Prusa XL

11/2/2025, 1:24:42 AM
18 replies

1. Introduction

2. Y-axis assembly

3. X-axis assembly

4. Z-axis assembly

5. Extruder Assembly

6. LCD assembly

7. PSU & Heatbed assembly

8. Electronics assembly

9. Preflight check

Original Prusa i3 MK2S kit assembly

9 chapters

Moderate

Introduction

Original Prusa i3 MK2 to MK2S upgrade

1 chapter

guideCategory-difficulty-unknown

Introduction

Original Prusa i3 Plus 1.75 mm to MK2S upgrade

1 chapter

guideCategory-difficulty-unknown