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
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Prusa XL maintenance guide: cleaning, calibration, wear part replacements and regular checks for reliable print quality.
Prusa XL – Troubleshooting Guide
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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
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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
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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?
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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
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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)
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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
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Toothed vs smooth idlers on the Prusa XL: 2GT belt geometry, manufacturer sizing guidelines, and mechanical implications explained.
Prusa XL – Custom G-Codes
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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
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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
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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
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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
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Prusa XL new washers for the pulleys – overview, installation, benefits and effect on motion precision and print quality.
Prusa XL – The new O-rings
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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
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Prusa XL complaint review: issues, weaknesses and real-world user experiences without marketing spin.
Phaetus SiC Nozzle Long-Term Review: Problems, Failures and Alternatives
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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
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Prusa Nextruder nozzle flow test comparing brass, ObXidian and SiC nozzles based on pure flow measurements.
How to fix your squashed Nextruder Nozzle
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Fixing a squished Nextruder nozzle: why it happens, how to correct it mechanically and when replacement is required.