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Original Prusa SL1S SPEED

Original Prusa SL1S SPEED support

Original Prusa SL1S SPEED support

Firmware 1.8.0

March 11, 2025

PrusaSlicer 2.9.2

June 04, 2025

Handbook 1.08

April 04, 2024

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SL1S Community Forum
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SL1S 360° Viewer
Sample G-codes

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Upgrade to SL1S SPEED from Original Prusa SL1

Get started with SL1S

Prusa Connect setup (SL1/S)

Prusa Connect setup (SL1/S)

Starting from firmware 1.8.0, the Original Prusa SL1/S can be added to Prusa Connect. There are three ways to do it. Touchscreen GUI on the printer Go to the printer menu to Settings…

Firmware updating (SL1/SL1S)

Firmware updating (SL1/SL1S)

The Original Prusa SL1 has an update-server, which is checking for updates automatically. There is no need to do it manually, but this option is still possible. Starting from firmware…

Shipping information

Shipping information

IMPORTANT SHIPPING UPDATE (June 5th, 2025) We have recently discovered an issue where some products were assigned to incorrect shipping batches.We want to be transparent regarding…

Fix common issues

QR Error codes

QR Error codes

This is an advanced system for displaying error screens, providing more useful information to the user. In case of an issue, the printer will display the name of the error followed…

Print doesn't appear / Resin does not solidify

Print doesn't appear / Resin does not solidify

If the print does not appear on the printing platform, nor at the bottom of the resin tank, there are a couple of possible causes: Highly insufficient exposure times Old or separated…

Broken supports (SL1/SL1S)

Broken supports (SL1/SL1S)

Broken supports (or missing parts of supports) are usually caused by incorrect settings in the PrusaSlicer. The supports are either too thin or the exposure time is set to a value…

Community posts

Massive Layer shift

6/11/2025, 1:43:27 AM
6 replies

What's a good workflow for PrusaSlicer that doesn't forget my color setup

6/11/2025, 1:22:07 AM
2 replies

VFA Artifacts on X+Y Straight Edges

6/11/2025, 1:08:12 AM
721 replies

PrusaConnect will not connect anymore TLS error

darkmattermaker

6/11/2025, 12:57:35 AM
9 replies

Problem with chamber temperature management with Advanced Filtration for Prusa CORE One

darkmattermaker

6/11/2025, 12:53:26 AM
2 replies

1. Introduction

2. Disassembling the SL1

3. Upgrading to SL1S SPEED

4. Firmware upgrading

5. Calibrating the printer

6. First print

7. Manual changelog

Original Prusa SL1 to SL1S SPEED upgrade (v1.00)

7 chapters

Difficult