9529 | Ultimaker Print Core AA for use with Ultimaker S3, Ultimaker S5, Ultimaker 3Family 0.4mm | RS
![UM3 error: Printcore in print head slot 1 nozzle size mismatch - UltiMaker 3D printers - UltiMaker Community of 3D Printing Experts UM3 error: Printcore in print head slot 1 nozzle size mismatch - UltiMaker 3D printers - UltiMaker Community of 3D Printing Experts](https://content.invisioncic.com/ultimake/monthly_2019_05/20190512_053016.jpg.3cf8f9376c348f1a6056042686e79d67.jpg)
UM3 error: Printcore in print head slot 1 nozzle size mismatch - UltiMaker 3D printers - UltiMaker Community of 3D Printing Experts
9529 Ultimaker | Ultimaker Print Core AA for use with Ultimaker S3, Ultimaker S5, Ultimaker 3Family 0.4mm | 173-4770 | RS Components
9529 Ultimaker | Ultimaker Print Core AA for use with Ultimaker S3, Ultimaker S5, Ultimaker 3Family 0.4mm | 173-4770 | RS Components
226602 Ultimaker | Ultimaker Print Core CC for use with Ultimaker S3, Ultimaker S5 0.4mm | 226-9598 | RS Components
9529 Ultimaker | Ultimaker Print Core AA for use with Ultimaker S3, Ultimaker S5, Ultimaker 3Family 0.4mm | 173-4770 | RS Components
![Ultimaker 3 - Print core installation missing information about "lock" mechanism? - UltiMaker 3D printers - UltiMaker Community of 3D Printing Experts Ultimaker 3 - Print core installation missing information about "lock" mechanism? - UltiMaker 3D printers - UltiMaker Community of 3D Printing Experts](http://i.imgur.com/75YInTx.jpg)