3D Printer/Prusa I3 MK3
Prepare Printer
- First clean the magnetic steel sheet. To do so pull it up on the two front edges and spray a few times with isopropyl alcohol on it.

- Wipe it up with a paper towel.

- Place back the steel sheet.

Change Filament
- First you will have to unload the current filament. To do so go to unload filament and then select PLA - 215/60.
- Wait until the nozzle and the heatbed have reached the set temperature. A loud noise will be heard.
- Press the knob and gently pull out the filament.
- You can find PLA filament above the printers. Please ask if you are unsure whether you can use a filament.
- Please make sure that you use PLA (type of filament)!
- Cut the tip of your filament (the one you want to use) at a 45-degree angle before inserting it into the printer.
- Before loading the filament, insert it by pushing it gently from above into the nozzle.
- To load the filament, go to Load filament.
- Push the filament gently until the printer starts pulling it.
- You will be asked whether the filament is extruding and with the correct color. Press Yes if everything is fine and No to extrude more filament.
- Remove the extruded filament from the nozzle and the steel sheet.
Set up PrusaSlicer
- To use the printer, you will need an application which converts the 3d model into a file that can be interpreted by the printer.
- Visit https://www.prusa3d.com/page/prusaslicer_424/ and download the application for your OS.
- After that open the app and follow the instructions to set it up.
- Remove profiles if you had used the app before and do want to setup new ones. Click on Next >.
- Skip this step as you do not need a profile for using this application and click on Next >.
- Please select only the sources from Prusa and click on Next >.
- Scroll down to MK3 Family and select Original Prusa i3 MK3S & MK3+ 0.4 mm nozzle.
- Then scroll down to Legacy profiles Family, select Original Prusa MINI & MINI+ 0.4 mm nozzle and click on Next >.
- We do not have those printers, just click on Next >.
- Unselect the checkbox and click on Next >.
- Make sure that Generic PLA is selected and click on Next >.
- Please skip automatic updates and click on Next >.
- Select build-in downloader if you want to open models from printables.com and click on Next >.
- Select this checkbox if you want to export full pathnames and part sources into your 3mf files. Then click an Next >.
- Select Export mode to see the whole settings in the app and click on Finish.
- Now an empty project will be created where you can add your model. Select 0.20mm QUALITY from the dropdown of Print settings.
- Set Filament to Generic PLA.
- Select the printer you are using. In this case select Original Prusa i3 MK3S & MK3S+