Original Prusa i3 MK3/S/+ to MK4 upgrade kit - for self-assembly

Index: PSA-23193
The Original Prusa i3 MK3/S/+ 3D Printer Upgrade Kit is a comprehensive package that allows you to upgrade your 3D printer to the latest MK4 version. It includes advanced components such as a 32-bit xBuddy board, xLCD screen, Nextruder parts, and new X/Y axis motors and belts that will increase printing accuracy and efficiency.
Original Prusa i3 MK3/S/+ to MK4 upgrade kit - for self-assembly
€822.90
€669.02 tax excl.
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Manufacturer: Prusa

Product description: MK4 modernization kit - for Original Prusa i3 MK3/S/+ 3D printer - for self-assembly

The Upgrade Kit is a comprehensive package that transforms previous Prusa 3D printer models into the latest MK4 version , offering significant improvements in performance and precision. The set includes modern components such as a 32-bit xBuddy motherboard , a damage-resistant xBuddy metal casing, an xLCD screen , and Nextruder elements with the E engine . Additionally, the kit includes new motors for the X, Y and Z axes , improved drive belts, 10 mm smooth bars for the Z axis, as well as the necessary cables , expansion joints and fastening elements. The set is complemented by filaments used to print parts that are not listed in the set. The product allows you to increase printing accuracy, improve stability and provide greater flexibility of use. This is an ideal solution for users with previous versions of Prusa printers who want to take advantage of new technological possibilities without giving up their current printer.

Check out other Prusa products in our offer!

The Prusa Mk4 self-assembly modernization kit lies in a box with a manual on a white background.

MK4 modernization kit - for the Original Prusa i3 MK3/S/+ 3D printer - for self-assembly.

The elements of the set lie on a white background.

The kit allows you to improve Prusa 3D printers.

Main features of the modernization kit

  • Introduces the 32-bit xBuddy motherboard
  • Includes xBuddy metal case and cover
  • Allows control via xLCD display
  • Adds new precision X/Y motors (400 steps, 0.9° per step)
  • Uses improved drive belts for the X and Y axes
  • Contains Nextruder parts along with the E engine
  • Offers new 10mm smooth bars for the Z axis
  • It comes with the filament needed to print some parts

Advantages of introducing the update

Upgrading your 3D printer with the MK4 kit brings a number of benefits. New X/Y engines and a 32-bit xBuddy board increase printing accuracy and efficiency , while new drive belts and improved Nextruder components ensure greater operation stability and 3D printing quality .

Prusa 3D printer models

The MK4 Upgrade Kit is used to upgrade specific 3D printers. It includes the Prusa i3 MK3, Prusa i3 MK3S and Prusa i3 MK3S+ models . Each of these models is characterized by advanced features that are further developed by the set, introducing new functions to increase efficiency and print quality.

The Prusa Mk4 self-assembly modernization kit lies open on a white background.

The product is intended for the Prusa i3 MK3, i3 MK3S and i3 MK3S+ models.

The Prusa Mk4 self-assembly modernization kit lies open on a white background.

To carry out the modernization, it is necessary to print several elements yourself.

Self-assembly kit

The kit is delivered as a self-assembly kit and requires the user to complete a series of steps according to the instructions . This process involves removing some of the printer's existing components and installing new components such as the motherboard, screen, and housing.

Printing the elements of the set

To make changes to the 3D printer , you need to print some parts yourself that are not listed in the kit contents. Therefore, the set includes a filament with which the user will be able to properly print the parts necessary to carry out the modernization.

Detailed assembly instructions are included in the kit or on the manufacturer's website.

Before placing an order - check

Before you upgrade your Prusa i3 MK3/S/+ printer to MK4 with an available kit, it is important to check two key items to ensure your printer is compatible with the kit:

Power supply type (PSU)
:

  • If the printer has a black power supply unit (PSU) , it is fully compatible with the upgrade kit.
  • If you have a silver PSU , you will need to add a compatible wiring harness or replace it with a black PSU.

Heating table connector version :

  • If the heating table is screwed with 2+3 screws (power cable screwed with screws), there is no compatibility problem.
  • If the heating table is attached with 2+1 screws (power cable soldered), the heating table will need to be replaced.


The frame and heated table are not included in the upgrade because replacing these parts does not provide any functional benefits and only increases the price.

A detailed description of the compatibility of the printer with the set can be found on the manufacturer's website!

Comparison of valid and incompatible 3D printer power supply and heatbed.

Compatibility of the power supply and heating table.

The elements of the set lie on a white background.

The kit is intended for self-assembly.

Set contents

  • 1x 32-bit xBuddy board
  • 1x xBuddy metal case with cover
  • 1x xLCD screen
  • Nextruder parts kit with E engine
  • 10 mm smooth bars designed for the Z axis
  • X/Y/Z motor set
  • Set of expansion joints for a heated plate
  • New straps for the X and Y axes
  • Cables for Nextruder parts, heated plate and xLCD screen
  • Set of accessories and fasteners
  • Filament to print the necessary parts
  • Assembly and configuration instructions

Package width 26 cm
Package height 43.5 cm
Package depth 25.5 cm
Package weight 5.6 kg

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