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
Prusa XL maintenance guide: cleaning, calibration, wear part replacements and regular checks for reliable print quality.
Prusa XL – Troubleshooting Guide
Troubleshooting your Prusa XL? This guide covers common problems, fixes, and tips from real experience – including Z-wobble, layer shift, and stringing.
Prusa XL – Recommended Mods & Practical Upgrades
Tested and practical Prusa XL mods that improve reliability, cooling, filament handling, and CoreXY stability. No cosmetic upgrades, only real improvements.
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?
Prusa XL 2023 vs 2025 comparison – what changed, improvements, new features and hardware upgrades explained.
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…
ScrubbyXL – Automatic Nozzle Wipe (MBL & during printing)
ScrubbyXL is an automatic nozzle wipe mod for the Prusa XL: cleans before MBL for a better first layer and wipes during long prints to…
Prusa XL: Toothed vs. Smooth Idlers on 2GT Belts
Toothed vs smooth idlers on the Prusa XL: 2GT belt geometry, manufacturer sizing guidelines, and mechanical implications explained.
Prusa XL – Custom G-Codes
This article lists custom G-codes for the Prusa XL Toolchanger that go beyond normal day-to-day printing.
Flashing Custom Firmware on the Prusa XL
Step-by-step guide to flashing custom firmware on the Prusa XL – including bootloader, BBF builds, Klipper and common troubleshooting tips.
Using the BIQU Belter for the Prusa XL
How to use the BIQU Belter on the Prusa XL – setup, calibration, tips for better prints and common issues solved.
TORQUEY: The right Torque for your Prusa XL Nextruder Nozzle
Torquey: the right torque for your Nextruder nozzle — guide, benefits and how to ensure consistent print quality.
Prusa XL – The new Washers for the Pulleys
Prusa XL new washers for the pulleys – overview, installation, benefits and effect on motion precision and print quality.
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
Prusa XL complaint review: issues, weaknesses and real-world user experiences without marketing spin.
Phaetus SiC Nozzle Long-Term Review: Problems, Failures and Alternatives
Long-term real-world experience with Phaetus SiC nozzles on the Prusa XL Nextruder: clogging, chipped tips, false filament errors, and why ObXidian proved more reliable.
Prusa NEXTRUDER nozzle flow comparsation
Prusa Nextruder nozzle flow test comparing brass, ObXidian and SiC nozzles based on pure flow measurements.
How to fix your squashed Nextruder Nozzle
Fixing a squished Nextruder nozzle: why it happens, how to correct it mechanically and when replacement is required.
















