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Original Prusa SL1S SPEED

Original Prusa SL1S SPEED support

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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

Useful links

SL1S Community Forum
SL1S Printable Parts
SL1S Spare Parts
SL1S 360° Viewer
Sample G-codes

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

Prusa Core One not usable inhouse... Sorry, but the sound was to intensiv

6/23/2025, 5:40:16 AM
138 replies

Resonance at a certain speed

6/23/2025, 5:35:35 AM
38 replies

Bed Leveling Failed on CoreONE upgrade

6/23/2025, 5:11:21 AM
39 replies

Convince me I need an XL

6/23/2025, 5:00:53 AM
17 replies

Core One giant let down from mk4s+. VFAs, resonance sounds, pause/resume bug

6/23/2025, 4:57:09 AM
22 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