Check and clean the interior of the build unit
Make sure that no material is left in the build unit.
IMPORTANT: All build units to be used with the new material must be clean before starting: see Empty
the material from the build unit on page 60.
Prepare for cleaning
1. Ensure that you have an explosion-protected vacuum cleaner with soft-brush nozzle, an absorbent
all-purpose cloth, a flat screwdriver, a Torx 20 screwdriver, and deionized water (these things are
not provided by HP).
2. You are recommended to wear gloves, goggles, and mask.
Check and clean the interior of the build unit
1. At the front panel, tap the Settings icon
, then Maintenance > Utilities > Set build unit as clean.
2. Locate the material lid and remove the two Torx 20 screws from it.
a.
b.
68 Chapter 7 Load material into the build unit