● Check the top enclosure filters left and right, clean or replace if needed or older than 6 months. See
Clean the top-enclosure fan filters on page 180.
● Check if the powder surface on the platform of the Build Unit is uniform and powder is spread all
o
ver the BU platform. Issues with the powder spreading or an air leakage in the system could cause
irregularities in the powder surface. Take a picture of the powder surface after the error for HP
support to analyse.
360 Chapter 14 System errors
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