8
1. Introduction
Thank you for purchasing the Original Prusa SL1S SPEED printer! Your purchase supports us in
the further development of our products. Please, read this handbook carefully, since all chapters
contain valuable information regarding
the use, maintenance, and troubleshooting of the SL1S
printer.
The Original Prusa SL1 was our first foray into the world of SLA printers. We wanted to build a
solid, sturdy and robust 3D printer that would produce consistent, high-quality 3D prints. Based
on the general feedback and reviews, we did many things right. The SL1 found its way not just into
hobbyists’ workshops but into various industries as well. As usual, we started collecting feedback
and thinking about improving the machine even further – one of the areas we wanted to focus on
was its print speed. We replaced the RGB display with
a brand new high-resolution
monochrome LCD,
implemented
a four times more powerful UV LED array,
increased the size
of the
print area by 25 %
and added many other changes. We hope you will enjoy using the SL1S
SPEED!
You can find more information about the SL1S and other printers on our official website
our community hub
can download models for printing, chat with other users or create local printing communities!
How does SLA 3D printing work?
The
Original Prusa SL1S SPEED
is an SLA, or more specifically, an
MSLA 3D printer.
SLA
stands for Stereolithography Apparatus and the “M” at the beginning means “Masked”. SLA
printers use UV light to cure (solidify) photosensitive liquid resins.
The SL1S has a built-in high-resolution monochrome LCD screen which displays a mask in the
shape of a single layer. Then, the UV LED panel shines UV light through the mask into the resin
tank with a transparent bottom. UV light cures (solidifies) a single layer of the printed object,
which adheres to the print platform. After a layer is cured, the print platform moves by a small
increment upwards, creating space for another layer. SLA is thus an additive printing method