8. At the end, make sure the part of the tube coming from the external equipment and the bulk supply
is not in contact with the material and tap Continue on the front panel. Processing will extract the
material remaining in the tube.
9. Disconnect the tube from the top of the processing station and put back the rubber, tap, and clamp.
10. Place the external tank.
11. Pressurize the system by executing the Vacuum system pressurization diagnostic, found in the
Maintenance menu.
It is the responsibility of the owner to maintain records of material batch information and usage.
● Identify each tank with product number, batch number, and warranty/expiration date. Do not use
mat
erials after their expiration date has passed.
● In order to retain traceability of fresh material, ensure that the material loading tank is empty of
mat
erial from previous batches before refilling it.
● If you also need to retain traceability of reusable material, you will need to empty all the build
unit
s and processing stations that will work with the new material batch, using the clean workflow,
and install an empty tank when starting. Otherwise the reusable material will have a random
composition of material coming from previous batches.
● Bulk supply must be stored and handled following the HP guidelines applicable to that specific
mat
erial.
● Not following these traceability practices can invalidate claims against the warranty of the
equipmen
t or consumables.
Storage in the build unit
Material may be stored temporarily in the build unit.
CAUTION: HP recommends not storing material in the build unit for more than one or two weeks.
Storage and external tanks
When unpacking, all reused material is stored in the storage tank until it is full, but there are some cases
in which it will be stored directly in the external tank even if the storage tank is not full.
These are when working with certain materials such as TPU Ultrasint, or when the trolley is unpacked
before finishing the cooling safely.
There are two types of external tanks: the ones with the auto-fill storage tank and the ones that can
only be emptied through the manual-fill storage tank process. The automatic storage tank, which is the
one that includes the processing station, is equipped with a cone at its internal base and a lance with
5 levels, fixed through a Y structure at the top of the tank. These levels indicate the quantity of material
available, and will be needed when loading a build unit.
While loading a build unit, the mixer is fed with fresh material from the material cartridge and reusable
material from the storage tank. If the storage tank is empty when you need to fill the build unit with
material for printing, the system will fill the storage tank automatically from the external tank. At the
beginning of the load, the front panel will tell you the minimum level of material needed to complete the
requested load. Make sure there is enough material before or during the load. If the quantity of material
is below the requested level, the loading process will stop without completing.
Storage in the build unit 145
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