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Original Prusa CW1

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© Prusa Research a.s.

Original Prusa CW1 support

Firmware 3.3.0

May 16, 2023

PrusaSlicer 2.7.3

April 18, 2024

Handbook 1.01

April 25, 2022

Useful links

CW1 Community Forum
CW1 Printable Parts
CW1 Spare Parts
Sample G-codes

Get started with CW1

CW1 maintenance

CW1 maintenance

To ensure that the CW1 remains in proper working order, keep the device clean, and never leave the tank with isopropyl alcohol inside of the device when the machine is off / not…

IPA pigment filter (CW1/CW1S)

IPA pigment filter (CW1/CW1S)

The Original Prusa Curing and Washing Machine (CW1/S) uses isopropyl alcohol (IPA) to wash the uncured resin around the print model before curing it. The resin usually leaves pigment…

Fix common issues

Resin yellowing and how to reduce it

Resin yellowing and how to reduce it

When printing various resins, you may notice a more or less significant yellowing effect after curing your models. This affects most MSLA materials, including all of our Prusament…

Community posts

Filament loading error messages - but not experiencing any filament loading problems

[email protected]

8/2/2025, 10:49:06 PM
3 replies

Z-axis fails due to loadcell

8/2/2025, 10:45:07 PM
2 replies

After 1 Week with the Core One ... was this a good idea?

8/2/2025, 10:24:35 PM
24 replies

How to use the 'stealth' printer limits of Prusa Slicer

8/2/2025, 9:52:20 PM
9 replies

Belt Tensioner is NOT repair friendly

8/2/2025, 9:23:11 PM
12 replies