Prusa Hotend Fan MK4/3.9/XL
Prusa Hotend Fan MK4/3.9/XL
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Function
This fan cools the hotend heatsink by moving air through its fins. It thus keeps the cold zone of the hotend at a low temperature, which prevents premature softening of the filament above the melt zone and the risk of clogs.
A faulty or underperforming fan can lead to extrusion irregularities, heat creep or accelerated wear of the surrounding components.
Installation
As a spare part, this fan replaces a worn, noisy or failed component. Replacement follows the procedure in the Prusa repair manual for the printer model concerned, available in the manufacturer's knowledge base.
Technical specifications
| Type | Hotend fan, spare part |
|---|---|
| Packaging | 1 fan |
Compatibility
- Original Prusa MK4 / MK4S
- Original Prusa MK3.9 / MK3.9S
- Original Prusa XL
- Original Prusa CORE One / CORE One+
- Original Prusa CORE One L
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