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Prusa i3 MK3S

About

The Prusa i3 MK3S is the culmination of the efforts of Josef Prusa, Prusa Research, and other contributors to the RepRap project over the past decade. It sets the standard of hobby 3D printers in terms of reliability and ease of use. A great deal of the reliability and support come from the fact that Prusa Research utilize literally hundreds of Prusa i3s to manufacture and iterate on their design.

Slicing

We use PrusaSlicer and the built-in profiles for this machine. The Prusa Knowledge Base has additional information on configuration settings and advanced use.
Make sure you select the non-MMU machine profile.

Saving to SD Card

The SD card reader on the 3D printing computer doesn't work properly and may require you to save the file twice. Please keep this in mind when you use this machine.
Please save your files in a folder named after you. Orphaned files may be removed.
Feel free to add sub-folders to your folder as needed.

Use

Operation

The LCD menus are easy to navigate on this printer, and it does most of the work for you. Clicking the encoder wheel in will get you into the menu from the status screen, and rotating it will allow you to navigate the menus.

Changing Filament

If filament from someone else is currently loaded, navigate to the unload filament option, then select the type of filament you will be loading. Wait for the hotend to heat up and click in the stick to unload when prompted. Be sure to insert the end of the filament into the retainer on the spool. Insert the new filament, carefully feeding in until the extruder gears grab it. Follow the remaining instructions on the controller to complete the load.
If the printer starts empty, start from the step where you insert the filament. It will then prompt you to select the filament you are loading. Wait for it to heat up and then proceed.

Troubleshooting

Parts won't stick

Try cleaning the bed with IPA and a paper towel, being careful to not get fingerprints on the bed. If this doesn't work please contact a 3D printing steward.