There were a couple of questions

Hello everyone! Today I decided to wipe the glass on the LPU and noticed one screw, it is in the photo. If someone is in the know, tell me what it is intended for, and should it be screwed all the way in, or unscrewed a little?
The second question is about installing the resin pan. After installing the pallet on the right side, I have a vertical backlash (you can raise it by about 3 mm), this is normal, or there should be no backlash.
I would be grateful for your answer.


The screw holds the LPU in position. If you read the LPU replacement documentation, you will see how it is used. Basically you make it finger-tight to ensure the LPU is properly positioned during an LPU replacement. It should not be loose, but you also don’t want to overtighten it, as it’s threaded into aluminum.

Yes, the tray is a loose fit until you start a print. Once a print is started, it gets locked-in. If the tray isn’t properly-seated the Form 3 will throw an error message and demand that you fix it. So no worries there.

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Thank you, you reassured me!