unfortunately, for the third time I have had the following problem with the Ultimaker 3 at my institute: the nozzle jams during printing and the print head gets stuck on the buildingplate. As a result, the UM3 keeps printing and "blows up" its own case (see the picture below). This error occurs with different materials (PLA, HIPS) and with different sized printing models. After that the printer was always sent in and repaired, the last time a completely new print head was installed.
My question is if someone knows the reason for this error or how to avoid it. The failure