The problem of printing 25 micron

[saeedam]

I clean the glass window but it has dust and cloud under glass window
how can i clean under the glass window

Large Hazy Streak On Glass of New Form2!

My brand new Form2 has huge, hazy smudge on optical glass. I’ve not attempted to clean it yes since I only unboxed it an hour ago. Here is a link to a video showing the hazy area along left side of the sealed glass cover. You can see several streaks and what look like drip blotches in the hazy area. There was also a large amount of dust covering the glass when I first removed the clear protective tape. Another thing I noticed right away is a fairly large flake of black material between the …