Original Prusa i3 MK3/S/+ to MK4S Upgrade Kit

Original Prusa i3 MK3/S/+ to MK4S Upgrade Kit By Prusa Research This is the full upgrade that also contains the MK4’s new X/Y precise motors (400 steps, 0.9°per step). It’s the most expensive of all three, but last time you voiced your interest in a full MK2->MK3 upgrade pretty strongly, so we decided to give you a full MK4 upgrade as well. :-) This product is supplied as a kit - you must assemble it yourself! Estimated leadtime 2–3 weeks Before you order the upgrade, please check which PSU your printer came with and which version of the heatbed connector is installed. This is important for correct compatibility with the upgrade. Depending on the selected options, we can send you additional components to ensure compatibility with the upgrade. Which PSU does your printer have? Black PSU - you are all good Silver PSU - you will need to add a compatible wiring harness or a black PSU (in the configuration box above) How many screws does your heatbed have? 2+3 screws (power cabl