My print "completes" with an empty build plate, what should I do?

The problem: The print "completes," but there's nothing on the build plate.

The cause: The first layer of the model failed to stick to the build plate. This can happen for a couple of reasons:

  1. The print head requires calibration, or
  2. The settings for the burn-in layer require modification in order for the first layer of the model to adhere to the build plate. 

The solutions:

  1. Recalibrate the print head.
  2. In the Print Settings, increase the "First Layer Exposure Time," "Burn-in Layers," and/or "Burn-in Exposure" values. Depending on the geometry of your model (particularly the bottom-most layer), you may have to experiment with these settings, in order to get a successful print. Adding a raft (with adequate supports) to your model may also increase your chance of success.
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