Hi, everyone.
We’ve just published a complete troubleshooting manual for a problem with the perforated plate hitting the nozzle.
Remember that once you notice such issue, immediately turn the printer off with the switch on the left side of the machine. Here you can find the steps that allow to determine the root of the problem: Troubleshooting: Perforated Plate Hits the Nozzle | Zortrax Support Center.
We hope you will find this helpful 
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