D. Powders in the Sinterit Lisa Printer
PA12 SMOOTH
● When printing using PA12 Smooth, the printer may become hot. Be careful and
do not harm yourself.
● During the printing process, you may watch the objects building through the top
glass.
● After printing, the block in the Print Bed is very firm, but also very powdery (all of
the unsintered powder falls down even when lightly shaken).
● Prints made from PA12 Smooth may take some time and effort to get cleaned
from the unsintered powder. Please clean them with the tools included in the set.
As you do so, next we recommend using a sandblaster or compressed air to clean
areas difficult to reach.
● Due to high temperatures, the material ageing process (degradation) occurs –
there is a need to add Fresh Powder to the used one (from the printer, Overflow
Bin and the one remaining from model cleansing). The used one must be sifted
through a sieve, then the fresh batch of powder must be added and the compound
must be blended together.
FLEXA BLACK or GREY
● When printing using Flexa, smoke from the melted powder may appear inside the
printer.
● Due to a lower melting temperature, the visibility through the window and the
camera, is limited (the infrared heaters working with lower power do not produce
enough light).
● After printing, the block in the Print Bed is very firm, but also very powdery (all of
the unsintered powder falls down even when lightly shaken).
● Prints made from Flexa (unlike those from PA12 Smooth) may be easily cleaned,
using for example a paint brush (the brushes included in the set do not have to be
used). We recommend using a sandblaster or compressed air to clean areas
difficult to reach.
● Flexa does not require refreshing – there is no need of adding new powder to the
one from the printer (unlike with the PA12 Smooth case). After sifting through a
sieve, the entire powder is ready to be reused.
E. Cleaning the device and changing the powder
1) PA12 SMOOTH → FLEXA
When changing PA12 to Flexa, no dutiful cleaning of the inside of the printer is required. The
same actions as cleaning the device after printing should be carried out.
73 Sinterit Lisa USER MANUAL
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