Introduction
Fan cleaning is part of the preventive maintenance of a 3d printer. Approximately every 300 printing hours, disassemble and clean it to prevent fan blockages and subsequent printing errors. This guide can also be applied to fan replacement.
What you need
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Shut down the back switch and disconnect the printer power supply
Ask FixBot
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Remove the three screws on the extruder top with a 2.5 Allen key or an appropriate screwdriver bit
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Gently lift up the extruder cover
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Using a spudger, disconnect the fan connector
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Route the cable to free it
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The fan can now be removed from the extruder. If you need to replace it, just follow the steps in reverse order with the new fan
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If you are cleaning the fan, release the three clips holding it together with a spudger
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Using compressed air and a brush, clean the fan from dust and debris
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To reassemble your device, follow these instructions in reverse order.
