Step 1 Introduction
⬢This guide will take you through the replacement of the IR-sensor on the Original Prusa i3 MK3S and MK3S+.
Some parts might slightly differ. However, it does not affect the procedure.
All necessary parts are available in our eshop shop.prusa3d.com
⬢If the printer does not detect the inserted filament, start by replacing the IR-sensor. Follow these steps: Tools necessary for the IR-sensor replacement
⬢If replacing the IR-sensor does not help and the printer still does not detect the filament, continue replacing the IR-sensor cable. Follow these steps: Tools necessary for the IR-sensor cable replacement