Original Prusa SL1S SPEED | Prusa Knowledge Base

Upgrade to SL1S SPEED from Original Prusa SL1

Original Prusa SL1 to SL1S SPEED upgrade

7 chapters

Difficult

Begin assembly

Get started with SL1S

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)

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

Current lead time estimates for new orders Updated: December 10th, 2025 --> The dates are only an estimation…

Fix common issues

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

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 (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…