HEPA filter replacement (HT90)

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The Prusa Pro HT90 has a HEPA filter in the upper part of the printer through which air passes from the printer into the room. The filter needs to be replaced every 600 print hours. To replace it, follow the steps below:

1. Ensure that the printer is completely cooled down to avoid the risk of burns from hot surfaces.
2. In the LCD Menu, select More -> Move -> Service position. This will move the print head to the service position, providing space for manipulation.
3. If the doors are not already extended up, do so now.
4. Take the front part of the filter cover and gently pull it towards you.

5. Next, remove the filter by pulling it down by the side loops.

6. Insert the new filter until the end.

7. Install the cover by sliding it in the slot.