Prusa XL Print Fan Upgrade – Using Core/MK4S Print Fan Blower
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This upgrade replaces the stock print fan on the Prusa XL with the high-performance fan used on the Prusa MK4/Core print
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution
Prusa XL Print Fan Upgrade – Using Core/MK4S Print Fan Blower
This upgrade replaces the stock print fan on the Prusa XL with the high-performance fan used on the Prusa Core/MK4S printers. You’ll need the official Prusa Print Fan Blower:
🔗 Print Fan Blower – Prusa
What You’ll Need:
1x Prusa Print Fan Blower (MK4/Core type)
Basic tools (e.g., screwdriver)
This printed fan mount upgrade
A few minutes of your time
Installation Instructions:
Prepare the New Fan
Carefully remove the top plastic cover from the new MK4/Core fan.
The fan should look like this after modification:
Remove Stock Components
Remove the original Prusa XL print fan
Remove the fan shroud
Install the Upgrade
Fit the new fan (with top cover removed) into this printed upgrade
Mount it in place of the original fan setup
Reconnect wiring as it was (no changes needed to electronics)
Notes:
No firmware or software changes are required.
This upgrade improves cooling performance with minimal effort.