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3D printers8
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Do Not Sell or Share My Personal Information
Supplemental Statements

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JOSEF PRUSA®, PRUSA RESEARCH®, PRUSA POLYMERS®, PRUSA ORANGE®, PRUSA 3D ® AND PRUSAMENT® are registered trademarks of Prusa Development a.s. used by Prusa Research a.s. under licence from Prusa Development a.s.

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Upgrade to MK2.5S from Original Prusa i3 MK2.5

1. Introduction

2. Extruder disassembly

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4. Electronics assembly

5. Preflight check

Original Prusa i3 MK2.5 to MK2.5S upgrade

5 chapters

Moderate

Upgrade to MK2.5S from Original Prusa i3 MK2

1. Introduction

2. Disassembly

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4. Heatbed assembly

5. Electronics

6. Preflight check

Manual changelog MK2.5S

Original Prusa i3 MK2 to MK2.5S upgrade

7 chapters

Difficult

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

Core One+ > Core One + Gen 2 Upgrade path?

Aug 17, 2026, 11:22:31 AM
56 replies

6.8.1 Firmware for Prusa CORE One+ (Gen 2), CORE One

Aug 17, 2026, 10:49:54 AM
2 replies

Current "stance" on several proposed several US states laws in regards to 3D Printing.

Aug 17, 2026, 10:15:24 AM
100 replies

MMU2S Setup: What Should I Know First?

Aug 17, 2026, 9:58:57 AM
2 replies

Printing TPU/TPE on Prusa XL

CluelessPrinting

Aug 17, 2026, 8:50:51 AM
26 replies

Original Prusa i3 MK2.5S support

Firmware 3.14.1

November 28, 2024

PrusaSlicer 2.9.6

August 14, 2026

Handbook 2.62

November 16, 2021

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