This article is part of the Prusa XL Technical Series on INVESTEGATE.de
All guides assume that the Prusa XL Fundamentals are correct.
If not, start here:
Prusa XL Basics – Technical Fundamentals
Prusa XL Basics – The Technical Foundation You Must Get Right
Technical fundamentals every Prusa XL owner must understand before calibration, troubleshooting, mods, or tuning. Not optional. Not beginner-friendly.
Maintaining the Prusa XL
In this guide we will show you the individual steps for regular maintenance of the Prusa XL. Introduction Prusa has already published a guide on…
Prusa XL – Troubleshooting Guide
Like any other 3D printer, problems can also arise with the Prusa XL. Here I’ll list the most common errors and how to easily fix…
Prusa XL Mods
I will introduce a few good mods here that can also improve your printing results or make your everyday life easier. Brush Mods Bedleveling Brush…
Prusa XL Belt Tension Alignment Calibration Guide
This is a powerful guide that helps you adjust the belt tension and alignment on your Prusa XL 3D printer perfect evenly.
Prusa XL – 2023 vs 2025 – What has changed?
I compared one of the first Prusa XLs from 2023 with a new Prusa XL from 2025. Prusa has made some small changes. We’ll take…
Smaller Print Sheets on the Prusa XL – What to Consider
This article explains which print sheets are available for the Prusa XL and how smaller print sheets can be used safely without probing errors or…
Using the BIQU Belter for the Prusa XL
Introduction I would like to introduce you to the belt tension measuring device from BIQU called Belter. Some people have trouble using the Prusa Belt…
Prusa XL – Custom G-Codes
This article lists custom G-codes for the Prusa XL Toolchanger that go beyond normal day-to-day printing.
Introducing TORQUEY: The right Torque for your Prusa XL Nextruder Nozzle
Maybe you’ve already noticed it. A moment of inattention, and you’ve overtightened the nozzle with the T8 on the Nextruder. You often don’t notice it…
Prusa XL – The new Washers for the Pulleys
Since 2025, Prusa has been using washers as spacers for the Prusa XL pulleys. No more O-rings. You can buy the new washers form Prusa…
Prusa XL – The new O-rings
UPDATE: There’s now a new update that replaces the new O-rings with washers. Read more here: https://investegate.de/prusa-xl-the-new-washers-for-the-pulleys/ Since September 2024, Prusa has released new O-rings…
Complaint about my Prusa XL – My experience with Prusa Support
I pre-ordered the Prusa XL with 2 toolheads on the first day of its launch. Almost two years later, I was one of the first…
Prusa NEXTRUDER nozzle flow comparsation
Is the silicon carbide from Phaetus a good and inexpensive alternative to the E3D Nextruder nozzles? We compared three different nozzles to determine the maximum…
How to fix your squashed Nextruder Nozzle
Some people may already be familiar with this problem. You mount your Nextruder nozzle and screw it on a bit too tightly. This squashes the…
Prusa XL Basics – The Technical Foundation You Must Get Right
Technical fundamentals every Prusa XL owner must understand before calibration, troubleshooting, mods, or tuning. Not optional. Not beginner-friendly.















