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Prusa CORE One+

Prusa CORE One+ support

Prusa CORE One+ support

Firmware 6.4.0

November 25, 2025

PrusaSlicer 2.9.4

November 26, 2025

Handbook 1.02

February 04, 2026

Useful links

CORE One+ Community Forum
CORE One+ Spare Parts
CORE One+ Printable Parts
CORE One+ Printable Parts community version

Topics

Printer maintenance
Calibration
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Prusa CORE One+ Unpacking & First run

Assemble the Prusa CORE One+

Upgrade from MK4S to CORE One+

Upgrade from CORE One to CORE One+

Prusa CORE One to CORE One+ upgrade (community version)

Prusa CORE One to CORE One+ upgrade (community version)

This article guides you through the community version of the Prusa CORE One to the Prusa CORE One+ upgrade. It lists all the components required for the upgrade and provides instructions…

Getting started with Prusa CORE One+

First print with PrusaSlicer

First print with PrusaSlicer

If you are using PrusaSlicer for the first time to generate a gcode or bgcode for printing, you can follow the steps below. Click on the links to get more information about the…

Prusa Connect and PrusaLink explained

Prusa Connect and PrusaLink explained

Prusa Connect and PrusaLink are two remote printing solutions developed in-house by Prusa. Its origin is in the management system used in our record-sized print farm located in…

How to update firmware (CORE One L, CORE One, MK4/S, MK3.9/S, MK3.5/S, XL)

How to update firmware (CORE One L, CORE One, MK4/S, MK3.9/S, MK3.5/S, XL)

On the Prusa CORE One L, Prusa CORE One, Original Prusa MK4/S, MK3.9/S, MK3.5/S, and XL, the firmware is flashed using a USB flash drive. This is valid for all ways of firmware…

Fix common issues

QR Error codes

QR Error codes

This is an advanced system for displaying error screens, providing more useful information to the user. In case of an issue, the printer will display the name of the error followed…

Changing or replacing the Prusa Nozzle

Changing or replacing the Prusa Nozzle

Replacing the Prusa Nozzle on your printer varies depending on the model of your printer. This article provides an overview of the different methods to replace the Prusa Nozzle,…

Selftest failed (CORE One/+)

Selftest failed (CORE One/+)

On the Prusa CORE One/+, the selftest checks for issues in the printer's assembly, wiring, and electronic components. It is the first part of the Calibration Wizard, which is prompted…

Community posts

Material buildup at edges (direction reversals)

Mar 3, 2026, 1:10:01 PM
14 replies

Mar 3, 2026, 12:53:35 PM
17 replies

Reason for Core One rumbling found (?)

Mar 3, 2026, 12:00:49 PM
67 replies

The new HT Hotend Upgrade

Mar 3, 2026, 11:44:08 AM
4 replies

The Cryogrip Pro Glacier plate is an excellent cheaper alternative to the Satin plate with one minor caveat on the Core One

Mar 3, 2026, 11:26:57 AM
151 replies

1. Introduction

2. Unpacking the printer

3. Mounting the xLCD

4. Calibration & First run

Manual changelog

Prusa CORE One+ (assembled) (1.00)

5 chapters

Easy

1. Introduction

2. Base assembly

3. Back assembly

4. Heatbed assembly

5. CoreXY assembly

6. Nextruder assembly

7. Bodywork & Electronics

8. Trim, Door & xLCD

9. Calibration & First run

Manual changelog

Prusa CORE One+ kit assembly (1.00)

10 chapters

Moderate

1A. Introduction

1B. MK4S Inspection

1C. Printer Disassembly

1D. Component Prep

2. Base assembly

3. Back assembly

4. Heatbed assembly

5. CoreXY assembly

6. Nextruder assembly

7. Bodywork & Electronics

8. Trim, Door & xLCD

9. Calibration & First run

Manual changelog

Prusa CORE One+ conversion kit (1.00)

13 chapters

Moderate

1. Introduction

2. Printer Upgrade

3. Final Setup

Manual changelog

Prusa CORE One to CORE One+ upgrade (1.00)

4 chapters

Easy