Catch Tray - Catches resin that might spill over the resin tray, as well as resin that spills through the resin-tray membrane if it gets punctured.
Projector Lens - Radiation is projected through this lens to the bottom layer of print material
Door Closed Sensor - Senses whether or not the lower-chamber door is closed
Catch Tray Access Door - Open this door to remove/replace the catch tray and to remove dust from the projector lens.
WARNING: The operator does not have access to the components of the lower chamber beyond what is outlined on this page. do not remove the plate covering this chamber. It is only to be accessed by 3D Systems Service personnel.