Get the MK4 - https://www.prusa3d.com/product/origi...
Learn more about it - https://blog.prusa3d.com/announcing-o...

Timestamps:
0:00 First power up
0:29 Selftest start
1:12 Loadcell test
1:53 XYZ axis test
2:36 Heaters test
2:56 Filament sensor calibration
3:58 Selftest troubleshooting
4:40 First print